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151. Planck intermediate results: XL. the Sunyaev-Zeldovich signal from the Virgo cluster

Author: Ade, P, Aghanim, N, Arnaud, M, Ashdown, M, Aumont, J, Baccigalupi, C, Banday, A, Barreiro, R, Bartolo, N, Battaner, E, Benabed, K, Benoit Lévy, A, Bernard, J, Bersanelli, M, Bielewicz, P, Bonaldi, A, Bonavera, L, Bond, J, Borrill, J, Bouchet, F, Burigana, C, Butler, R, Calabrese, E, Cardoso, J, Catalano, A, Chamballu, A, Chiang, H, Christensen, P, Churazov, E, Clements, D, Colombo, L, Combet, C, Comis, B, Couchot, F, Coulais, A, Crill, B, Curto, A, Cuttaia, F, Danese, L, Davies, R, Davis, R, DE BERNARDIS, P, De Rosa, A, De Zotti, G, Delabrouille, J, Dickinson, C, Diego, J, Dolag, K, Dole, H, Donzelli, S, Doré, O, Douspis, M, Ducout, A, Dupac, X, Efstathiou, G, Elsner, F, Enßlin, T, Eriksen, H, Finelli, F, Forni, O, Frailis, M, Fraisse, A, Franceschi, E, Galeotta, S, Galli, S, Ganga, K, Giard, M, Giraud Héraud, Y, Gjerløw, E, González Nuevo, J, Górski, K, Gregorio, A, Gruppuso, A, Gudmundsson, J, Hansen, F, Harrison, D, Helou, G, Hernández Monteagudo, C, Herranz, D, Hildebrandt, S, Hivon, E, Hobson, M, Hornstrup, A, Hovest, W, Huffenberger, K, Hurier, G, Jaffe, A, Jaffe, T, Jones, W, Keihänen, E, Keskitalo, R, Kisner, T, Kneissl, R, Knoche, J, Kunz, M, Kurki Suonio, H, Lagache, G, Lamarre, J, Lasenby, A, Lattanzi, M, Lawrence, C, Leonardi, R, Levrier, F, Liguori, M, Lilje, P, Linden Vørnle, M, López Caniego, M, Lubin, P, Macías Pérez, J, Maffei, B, Maggio, G, Maino, D, Mandolesi, N, Mangilli, A, Marcos Caballero, A, Maris, M, Martin, P, Martínez González, E, Masi, S, Matarrese, S, Mazzotta, P, Meinhold, P, Melchiorri, A, Mennella, A, Migliaccio, M, Mitra, S, Moneti, A, Montier, L, Morgante, G, Mortlock, D, Munshi, D, Murphy, J, Naselsky, P, Nati, F, Natoli, P, Noviello, F, Novikov, D, Novikov, I, Oppermann, N, Oxborrow, C, Pagano, L, Pajot, F, Paoletti, D, Pasian, F, Pearson, T, Perdereau, O, Perotto, L, Pettorino, V, Piacentini, F, Piat, M, Pierpaoli, E, Plaszczynski, S, Pointecouteau, E, Polenta, G, Ponthieu, N, Pratt, G, Prunet, S, Puget, J, Rachen, J, Reinecke, M, Remazeilles, M, Renault, C, Renzi, A, Ristorcelli, I, Rocha, G, Rosset, C, Rossetti, M, Roudier, G, RUBINO MARTIN, J, Rusholme, B, Sandri, M, Santos, D, Savelainen, M, Savini, G, Schaefer, B, Scott, D, Soler, J, Stolyarov, V, Stompor, R, Sudiwala, R, Sunyaev, R, Sutton, D, Suur Uski, A, Sygnet, J, Tauber, J, Terenzi, L, Toffolatti, L, Tomasi, M, Tristram, M, Tucci, M, Umana, G, Valenziano, L, Valiviita, J, Van Tent, B, Vielva, P, Villa, F, Wade, L, Wandelt, B, Wehus, I, Weller, J, Yvon, D, Zacchei, A, Zonca, A, Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit Lévy, A., Bernard, J. P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Burigana, C., Butler, R. C., CALABRESE, ERMINIA, Cardoso, J. F., Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Churazov, E., Clements, D. L., Colombo, L. P. L., Combet, C., COMIS, BARBARA, Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., DE BERNARDIS, Paolo, De Rosa, A., De Zotti, G., Delabrouille, J., Dickinson, C., Diego, J. M, Dolag, K., Dole, H., Donzelli, S., Doré, O., Douspis, M., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Enßlin, T. A., Eriksen, H. K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Galeotta, S., Galli, S., Ganga, K., Giard, M., Giraud Héraud, Y., Gjerløw, E., González Nuevo, J., Górski, K. M., Gregorio, A., Gruppuso, A., Gudmundsson, J. E., Hansen, F. K., Harrison, D. L., Helou, G., Hernández Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Hornstrup, A., Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki Suonio, H., Lagache, G., Lamarre, J. M., Lasenby, A., LATTANZI, MASSIMILIANO, Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden Vørnle, M., López Caniego, M., Lubin, P. M., Macías Pérez, J. F., Maffei, B., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Marcos Caballero, A., Maris, M., Martin, P. G., Martínez González, E., MASI, Silvia, MATARRESE, SABINO, Mazzotta, P., Meinhold, P. R., MELCHIORRI, Alessandro, MENNELLA, ANIELLO, Migliaccio, M., Mitra, S., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., NATI, FEDERICO, Natoli, P., Noviello, F., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, C. A., PAGANO, LUCA, Pajot, F., Paoletti, D., Pasian, F., Pearson, T. J., Perdereau, O., Perotto, L., Pettorino, V., PIACENTINI, Francesco, Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., POLENTA, GIANLUCA, Ponthieu, N., Pratt, G. W., Prunet, S., Puget, J. L., Rachen, J. P., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., RUBINO MARTIN, JOSE ALBERTO, Rusholme, B., Sandri, M., Santos, D., Savelainen, M., SAVINI, Giorgio, Schaefer, B. M., Scott, D., Soler, J. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Sutton, D., Suur Uski, A. S., Sygnet, J. F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Weller, J., Yvon, D., Zacchei, A., Zonca, A., Ade, P, Aghanim, N, Arnaud, M, Ashdown, M, Aumont, J, Baccigalupi, C, Banday, A, Barreiro, R, Bartolo, N, Battaner, E, Benabed, K, Benoit Lévy, A, Bernard, J, Bersanelli, M, Bielewicz, P, Bonaldi, A, Bonavera, L, Bond, J, Borrill, J, Bouchet, F, Burigana, C, Butler, R, Calabrese, E, Cardoso, J, Catalano, A, Chamballu, A, Chiang, H, Christensen, P, Churazov, E, Clements, D, Colombo, L, Combet, C, Comis, B, Couchot, F, Coulais, A, Crill, B, Curto, A, Cuttaia, F, Danese, L, Davies, R, Davis, R, DE BERNARDIS, P, De Rosa, A, De Zotti, G, Delabrouille, J, Dickinson, C, Diego, J, Dolag, K, Dole, H, Donzelli, S, Doré, O, Douspis, M, Ducout, A, Dupac, X, Efstathiou, G, Elsner, F, Enßlin, T, Eriksen, H, Finelli, F, Forni, O, Frailis, M, Fraisse, A, Franceschi, E, Galeotta, S, Galli, S, Ganga, K, Giard, M, Giraud Héraud, Y, Gjerløw, E, González Nuevo, J, Górski, K, Gregorio, A, Gruppuso, A, Gudmundsson, J, Hansen, F, Harrison, D, Helou, G, Hernández Monteagudo, C, Herranz, D, Hildebrandt, S, Hivon, E, Hobson, M, Hornstrup, A, Hovest, W, Huffenberger, K, Hurier, G, Jaffe, A, Jaffe, T, Jones, W, Keihänen, E, Keskitalo, R, Kisner, T, Kneissl, R, Knoche, J, Kunz, M, Kurki Suonio, H, Lagache, G, Lamarre, J, Lasenby, A, Lattanzi, M, Lawrence, C, Leonardi, R, Levrier, F, Liguori, M, Lilje, P, Linden Vørnle, M, López Caniego, M, Lubin, P, Macías Pérez, J, Maffei, B, Maggio, G, Maino, D, Mandolesi, N, Mangilli, A, Marcos Caballero, A, Maris, M, Martin, P, Martínez González, E, Masi, S, Matarrese, S, Mazzotta, P, Meinhold, P, Melchiorri, A, Mennella, A, Migliaccio, M, Mitra, S, Moneti, A, Montier, L, Morgante, G, Mortlock, D, Munshi, D, Murphy, J, Naselsky, P, Nati, F, Natoli, P, Noviello, F, Novikov, D, Novikov, I, Oppermann, N, Oxborrow, C, Pagano, L, Pajot, F, Paoletti, D, Pasian, F, Pearson, T, Perdereau, O, Perotto, L, Pettorino, V, Piacentini, F, Piat, M, Pierpaoli, E, Plaszczynski, S, Pointecouteau, E, Polenta, G, Ponthieu, N, Pratt, G, Prunet, S, Puget, J, Rachen, J, Reinecke, M, Remazeilles, M, Renault, C, Renzi, A, Ristorcelli, I, Rocha, G, Rosset, C, Rossetti, M, Roudier, G, RUBINO MARTIN, J, Rusholme, B, Sandri, M, Santos, D, Savelainen, M, Savini, G, Schaefer, B, Scott, D, Soler, J, Stolyarov, V, Stompor, R, Sudiwala, R, Sunyaev, R, Sutton, D, Suur Uski, A, Sygnet, J, Tauber, J, Terenzi, L, Toffolatti, L, Tomasi, M, Tristram, M, Tucci, M, Umana, G, Valenziano, L, Valiviita, J, Van Tent, B, Vielva, P, Villa, F, Wade, L, Wandelt, B, Wehus, I, Weller, J, Yvon, D, Zacchei, A, Zonca, A, Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit Lévy, A., Bernard, J. P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Burigana, C., Butler, R. C., CALABRESE, ERMINIA, Cardoso, J. F., Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Churazov, E., Clements, D. L., Colombo, L. P. L., Combet, C., COMIS, BARBARA, Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., DE BERNARDIS, Paolo, De Rosa, A., De Zotti, G., Delabrouille, J., Dickinson, C., Diego, J. M, Dolag, K., Dole, H., Donzelli, S., Doré, O., Douspis, M., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Enßlin, T. A., Eriksen, H. K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Galeotta, S., Galli, S., Ganga, K., Giard, M., Giraud Héraud, Y., Gjerløw, E., González Nuevo, J., Górski, K. M., Gregorio, A., Gruppuso, A., Gudmundsson, J. E., Hansen, F. K., Harrison, D. L., Helou, G., Hernández Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Hornstrup, A., Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki Suonio, H., Lagache, G., Lamarre, J. M., Lasenby, A., LATTANZI, MASSIMILIANO, Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden Vørnle, M., López Caniego, M., Lubin, P. M., Macías Pérez, J. F., Maffei, B., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Marcos Caballero, A., Maris, M., Martin, P. G., Martínez González, E., MASI, Silvia, MATARRESE, SABINO, Mazzotta, P., Meinhold, P. R., MELCHIORRI, Alessandro, MENNELLA, ANIELLO, Migliaccio, M., Mitra, S., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., NATI, FEDERICO, Natoli, P., Noviello, F., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, C. A., PAGANO, LUCA, Pajot, F., Paoletti, D., Pasian, F., Pearson, T. J., Perdereau, O., Perotto, L., Pettorino, V., PIACENTINI, Francesco, Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., POLENTA, GIANLUCA, Ponthieu, N., Pratt, G. W., Prunet, S., Puget, J. L., Rachen, J. P., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., RUBINO MARTIN, JOSE ALBERTO, Rusholme, B., Sandri, M., Santos, D., Savelainen, M., SAVINI, Giorgio, Schaefer, B. M., Scott, D., Soler, J. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Sutton, D., Suur Uski, A. S., Sygnet, J. F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Weller, J., Yvon, D., Zacchei, A., and Zonca, A.
Abstract: The Virgo cluster is the largest Sunyaev-Zeldovich (SZ) source in the sky, both in terms of angular size and total integrated flux. Planck's wide angular scale and frequency coverage, together with its high sensitivity, enable a detailed study of this big object through the SZ effect. Virgo is well resolved by Planck, showing an elongated structure that correlates well with the morphology observed from X-rays, but extends beyond the observed X-ray signal. We find good agreement between the SZ signal (or Compton parameter, yc) observed by Planck and the expected signal inferred from X-ray observations and simple analytical models. Owing to its proximity to us, the gas beyond the virial radius in Virgo can be studied with unprecedented sensitivity by integrating the SZ signal over tens of square degrees. We study the signal in the outskirts of Virgo and compare it with analytical models and a constrained simulation of the environment of Virgo. Planck data suggest that significant amounts of low-density plasma surround Virgo, out to twice the virial radius. We find the SZ signal in the outskirts of Virgo to be consistent with a simple model that extrapolates the inferred pressure at lower radii, while assuming that the temperature stays in the keV range beyond the virial radius. The observed signal is also consistent with simulations and points to a shallow pressure profile in the outskirts of the cluster. This reservoir of gas at large radii can be linked with the hottest phase of the elusivewarm/hot intergalactic medium. Taking the lack of symmetry of Virgo into account, we find that a prolate model is favoured by the combination of SZ and X-ray data, in agreement with predictions. Finally, based on the combination of the same SZ and X-ray data, we constrain the total amount of gas in Virgo. Under the hypothesis that the abundance of baryons in Virgo is representative of the cosmic average, we also infer a distance for Virgo of approximately 18 Mpc, in good agreement, The Virgo cluster is the largest Sunyaev-Zeldovich (SZ) source in the sky, both in terms of angular size and total integrated flux. Planck's wide angular scale and frequency coverage, together with its high sensitivity, enable a detailed study of this big object through the SZ effect. Virgo is well resolved by Planck, showing an elongated structure that correlates well with the morphology observed from X-rays, but extends beyond the observed X-ray signal. We find good agreement between the SZ signal (or Compton parameter, yc) observed by Planck and the expected signal inferred from X-ray observations and simple analytical models. Owing to its proximity to us, the gas beyond the virial radius in Virgo can be studied with unprecedented sensitivity by integrating the SZ signal over tens of square degrees. We study the signal in the outskirts of Virgo and compare it with analytical models and a constrained simulation of the environment of Virgo. Planck data suggest that significant amounts of low-density plasma surround Virgo, out to twice the virial radius. We find the SZ signal in the outskirts of Virgo to be consistent with a simple model that extrapolates the inferred pressure at lower radii, while assuming that the temperature stays in the keV range beyond the virial radius. The observed signal is also consistent with simulations and points to a shallow pressure profile in the outskirts of the cluster. This reservoir of gas at large radii can be linked with the hottest phase of the elusivewarm/hot intergalactic medium. Taking the lack of symmetry of Virgo into account, we find that a prolate model is favoured by the combination of SZ and X-ray data, in agreement with predictions. Finally, based on the combination of the same SZ and X-ray data, we constrain the total amount of gas in Virgo. Under the hypothesis that the abundance of baryons in Virgo is representative of the cosmic average, we also infer a distance for Virgo of approximately 18 Mpc, in good agreement
Published: 2016

152. Planck intermediate results: XXXVIII. E- and B-modes of dust polarization from the magnetized filamentary structure of the interstellar medium

Author: Ade, P, Aghanim, N, Arnaud, M, Ashdown, M, Aumont, J, Baccigalupi, C, Banday, A, Barreiro, R, Bartolo, N, Battaner, E, Benabed, K, Benoit Lévy, A, Bernard, J, Bersanelli, M, Bielewicz, P, Bonaldi, A, Bonavera, L, Bond, J, Borrill, J, Bouchet, F, Boulanger, F, Bracco, A, Burigana, C, Calabrese, E, Cardoso, J, Catalano, A, Chamballu, A, Chary, R, Chiang, H, Christensen, P, Colombo, L, Combet, C, Crill, B, Curto, A, Cuttaia, F, Danese, L, Davies, R, Davis, R, DE BERNARDIS, P, De Rosa, A, De Zotti, G, Delabrouille, J, Delouis, J, Dickinson, C, Diego, J, Dole, H, Donzelli, S, Doré, O, Douspis, M, Dunkley, J, Dupac, X, Efstathiou, G, Elsner, F, Enßlin, T, Eriksen, H, Falgarone, E, Ferrière, K, Finelli, F, Forni, O, Frailis, M, Fraisse, A, Franceschi, E, Frolov, A, Galeotta, S, Galli, S, Ganga, K, Ghosh, T, Giard, M, Gjerløw, E, González Nuevo, J, Górski, K, Gruppuso, A, Guillet, V, Hansen, F, Harrison, D, Helou, G, Hernández Monteagudo, C, Herranz, D, Hildebrandt, S, Hivon, E, Hornstrup, A, Hovest, W, Huang, Z, Huffenberger, K, Hurier, G, Jaffe, T, Jones, W, Juvela, M, Keihänen, E, Keskitalo, R, Kisner, T, Kneissl, R, Knoche, J, Kunz, M, Kurki Suonio, H, Lamarre, J, Lasenby, A, Lattanzi, M, Lawrence, C, Leonardi, R, León Tavares, J, Levrier, F, Liguori, M, Lilje, P, Linden Vørnle, M, López Caniego, M, Lubin, P, Macías Pérez, J, Maffei, B, Maino, D, Mandolesi, N, Maris, M, Martin, P, Martínez González, E, Masi, S, Matarrese, S, Mcgehee, P, Melchiorri, A, Mennella, A, Migliaccio, M, Miville Deschênes, M, Moneti, A, Montier, L, Morgante, G, Mortlock, D, Munshi, D, Murphy, J, Naselsky, P, Nati, F, Natoli, P, Novikov, D, Novikov, I, Oppermann, N, Oxborrow, C, Pagano, L, Pajot, F, Paoletti, D, Pasian, F, Perdereau, O, Pettorino, V, Piacentini, F, Piat, M, Pierpaoli, E, Plaszczynski, S, Pointecouteau, E, Polenta, G, Ponthieu, N, Pratt, G, Prunet, S, Puget, J, Rachen, J, Reach, W, Rebolo, R, Reinecke, M, Remazeilles, M, Renault, C, Renzi, A, Ristorcelli, I, Rocha, G, Rosset, C, Rossetti, M, Roudier, G, Rubiño Martín, J, Rusholme, B, Sandri, M, Santos, D, Savelainen, M, Savini, G, Scott, D, Serra, P, Soler, J, Stolyarov, V, Sudiwala, R, Sunyaev, R, Suur Uski, A, Sygnet, J, Tauber, J, Terenzi, L, Toffolatti, L, Tomasi, M, Tristram, M, Tucci, M, Umana, G, Valenziano, L, Valiviita, J, Van Tent, B, Vielva, P, Villa, F, Wade, L, Wandelt, B, Wehus, I, Yvon, D, Zacchei, A, Zonca, A, Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit Lévy, A., Bernard, J. P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Calabrese, E., Cardoso, J. F., Catalano, A., Chamballu, A., Chary, R. R., Chiang, H. C., Christensen, P. R., Colombo, L. P. L., Combet, C., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., DE BERNARDIS, Paolo, De Rosa, A., De Zotti, G., Delabrouille, J., Delouis, J. M., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Doré, O., Douspis, M., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Enßlin, T. A., Eriksen, H. K., Falgarone, E., Ferrière, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Giard, M., Gjerløw, E., González Nuevo, J., Górski, K. M., Gruppuso, A., Guillet, V., Hansen, F. K., Harrison, D. L., Helou, G., Hernández Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hornstrup, A., Hovest, W., Huang, Z., Huffenberger, K. M., Hurier, G., Jaffe, T. R., Jones, W. C., Juvela, M., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki Suonio, H., Lamarre, J. M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., León Tavares, J., Levrier, F., Liguori, M., Lilje, P. B., Linden Vørnle, M., López Caniego, M., Lubin, P. M., Macías Pérez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Martin, P. G., Martínez González, E., MASI, Silvia, Matarrese, S., Mcgehee, P., MELCHIORRI, Alessandro, Mennella, A., Migliaccio, M., Miville Deschênes, M. A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., NATI, FEDERICO, Natoli, P., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, C. A., PAGANO, LUCA, Pajot, F., Paoletti, D., Pasian, F., Perdereau, O., Pettorino, V., PIACENTINI, Francesco, Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Pratt, G. W., Prunet, S., Puget, J. L., Rachen, J. P., Reach, W. T., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rubiño Martín, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Serra, P., Soler, J. D., Stolyarov, V., Sudiwala, R., Sunyaev, R., Suur Uski, A. S., Sygnet, J. F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Yvon, D., Zacchei, A., Zonca, A., Ade, P, Aghanim, N, Arnaud, M, Ashdown, M, Aumont, J, Baccigalupi, C, Banday, A, Barreiro, R, Bartolo, N, Battaner, E, Benabed, K, Benoit Lévy, A, Bernard, J, Bersanelli, M, Bielewicz, P, Bonaldi, A, Bonavera, L, Bond, J, Borrill, J, Bouchet, F, Boulanger, F, Bracco, A, Burigana, C, Calabrese, E, Cardoso, J, Catalano, A, Chamballu, A, Chary, R, Chiang, H, Christensen, P, Colombo, L, Combet, C, Crill, B, Curto, A, Cuttaia, F, Danese, L, Davies, R, Davis, R, DE BERNARDIS, P, De Rosa, A, De Zotti, G, Delabrouille, J, Delouis, J, Dickinson, C, Diego, J, Dole, H, Donzelli, S, Doré, O, Douspis, M, Dunkley, J, Dupac, X, Efstathiou, G, Elsner, F, Enßlin, T, Eriksen, H, Falgarone, E, Ferrière, K, Finelli, F, Forni, O, Frailis, M, Fraisse, A, Franceschi, E, Frolov, A, Galeotta, S, Galli, S, Ganga, K, Ghosh, T, Giard, M, Gjerløw, E, González Nuevo, J, Górski, K, Gruppuso, A, Guillet, V, Hansen, F, Harrison, D, Helou, G, Hernández Monteagudo, C, Herranz, D, Hildebrandt, S, Hivon, E, Hornstrup, A, Hovest, W, Huang, Z, Huffenberger, K, Hurier, G, Jaffe, T, Jones, W, Juvela, M, Keihänen, E, Keskitalo, R, Kisner, T, Kneissl, R, Knoche, J, Kunz, M, Kurki Suonio, H, Lamarre, J, Lasenby, A, Lattanzi, M, Lawrence, C, Leonardi, R, León Tavares, J, Levrier, F, Liguori, M, Lilje, P, Linden Vørnle, M, López Caniego, M, Lubin, P, Macías Pérez, J, Maffei, B, Maino, D, Mandolesi, N, Maris, M, Martin, P, Martínez González, E, Masi, S, Matarrese, S, Mcgehee, P, Melchiorri, A, Mennella, A, Migliaccio, M, Miville Deschênes, M, Moneti, A, Montier, L, Morgante, G, Mortlock, D, Munshi, D, Murphy, J, Naselsky, P, Nati, F, Natoli, P, Novikov, D, Novikov, I, Oppermann, N, Oxborrow, C, Pagano, L, Pajot, F, Paoletti, D, Pasian, F, Perdereau, O, Pettorino, V, Piacentini, F, Piat, M, Pierpaoli, E, Plaszczynski, S, Pointecouteau, E, Polenta, G, Ponthieu, N, Pratt, G, Prunet, S, Puget, J, Rachen, J, Reach, W, Rebolo, R, Reinecke, M, Remazeilles, M, Renault, C, Renzi, A, Ristorcelli, I, Rocha, G, Rosset, C, Rossetti, M, Roudier, G, Rubiño Martín, J, Rusholme, B, Sandri, M, Santos, D, Savelainen, M, Savini, G, Scott, D, Serra, P, Soler, J, Stolyarov, V, Sudiwala, R, Sunyaev, R, Suur Uski, A, Sygnet, J, Tauber, J, Terenzi, L, Toffolatti, L, Tomasi, M, Tristram, M, Tucci, M, Umana, G, Valenziano, L, Valiviita, J, Van Tent, B, Vielva, P, Villa, F, Wade, L, Wandelt, B, Wehus, I, Yvon, D, Zacchei, A, Zonca, A, Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit Lévy, A., Bernard, J. P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Calabrese, E., Cardoso, J. F., Catalano, A., Chamballu, A., Chary, R. R., Chiang, H. C., Christensen, P. R., Colombo, L. P. L., Combet, C., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., DE BERNARDIS, Paolo, De Rosa, A., De Zotti, G., Delabrouille, J., Delouis, J. M., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Doré, O., Douspis, M., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Enßlin, T. A., Eriksen, H. K., Falgarone, E., Ferrière, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Giard, M., Gjerløw, E., González Nuevo, J., Górski, K. M., Gruppuso, A., Guillet, V., Hansen, F. K., Harrison, D. L., Helou, G., Hernández Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hornstrup, A., Hovest, W., Huang, Z., Huffenberger, K. M., Hurier, G., Jaffe, T. R., Jones, W. C., Juvela, M., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki Suonio, H., Lamarre, J. M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., León Tavares, J., Levrier, F., Liguori, M., Lilje, P. B., Linden Vørnle, M., López Caniego, M., Lubin, P. M., Macías Pérez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Martin, P. G., Martínez González, E., MASI, Silvia, Matarrese, S., Mcgehee, P., MELCHIORRI, Alessandro, Mennella, A., Migliaccio, M., Miville Deschênes, M. A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., NATI, FEDERICO, Natoli, P., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, C. A., PAGANO, LUCA, Pajot, F., Paoletti, D., Pasian, F., Perdereau, O., Pettorino, V., PIACENTINI, Francesco, Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Pratt, G. W., Prunet, S., Puget, J. L., Rachen, J. P., Reach, W. T., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rubiño Martín, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Serra, P., Soler, J. D., Stolyarov, V., Sudiwala, R., Sunyaev, R., Suur Uski, A. S., Sygnet, J. F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Yvon, D., Zacchei, A., and Zonca, A.
Abstract: The quest for a B-mode imprint from primordial gravity waves on the polarization of the cosmic microwave background (CMB) requires the characterization of foreground polarization from Galactic dust. We present a statistical study of the filamentary structure of the 353 GHz Planck Stokes maps at high Galactic latitude, relevant to the study of dust emission as a polarized foreground to the CMB. We filter the intensity and polarization maps to isolate filaments in the range of angular scales where the power asymmetry between E-modes and B-modes is observed. Using the Smoothed Hessian Major Axis Filament Finder (SMAFF), we identify 259 filaments at high Galactic latitude, with lengths larger or equal to 2° (corresponding to 3.5 pc in length for a typical distance of 100 pc). These filaments show a preferred orientation parallel to the magnetic field projected onto the plane of the sky, derived from their polarization angles. We present mean maps of the filaments in Stokes I, Q, U, E, and B, computed by stacking individual images rotated to align the orientations of the filaments. Combining the stacked images and the histogram of relative orientations, we estimate the mean polarization fraction of the filaments to be 11%. Furthermore, we show that the correlation between the filaments and the magnetic field orientations may account for the E and B asymmetry and the ClTE/ClEE ratio, reported in the power spectra analysis of the Planck353 GHz polarization maps. Future models of the dust foreground for CMB polarization studies will need to take into account the observed correlation between the dust polarization and the structure of interstellar matter.
Published: 2016

153. Planck intermediate results. XXXV. Probing the role of the magnetic field in the formation of structure in molecular clouds

Author: European Research Council, European Commission, Ade, P. A. R., Aghanim, N., Barreiro, R. Belén, Bernard, J. P., Bouchet, F. R., Bonavera, Laura, Curto, Andrés, Zotti, G. de, Diego, José María, González-Nuevo, J., Herranz, D., Hernández-Monteagudo, Carlos, Levrier, F., López-Caniego, M., Macías-Pérez, J. F., Martínez-González, Enrique, Matarrese, S., Rocha, G., Rubiño-Martín, J. A., Toffolatti, L., Vielva, Patricio, Soler, J. D., Planck Collaboration, European Research Council, European Commission, Ade, P. A. R., Aghanim, N., Barreiro, R. Belén, Bernard, J. P., Bouchet, F. R., Bonavera, Laura, Curto, Andrés, Zotti, G. de, Diego, José María, González-Nuevo, J., Herranz, D., Hernández-Monteagudo, Carlos, Levrier, F., López-Caniego, M., Macías-Pérez, J. F., Martínez-González, Enrique, Matarrese, S., Rocha, G., Rubiño-Martín, J. A., Toffolatti, L., Vielva, Patricio, Soler, J. D., and Planck Collaboration
Abstract: Within ten nearby (d < 450 pc) Gould belt molecular clouds we evaluate statistically the relative orientation between the magnetic field projected on the plane of sky, inferred from the polarized thermal emission of Galactic dust observed by Planck at 353 GHz, and the gas column density structures, quantified by the gradient of the column density, NH. The selected regions, covering several degrees in size, are analysed at an effective angular resolution of 10′ FWHM, thus sampling physical scales from 0.4 to 40 pc in the nearest cloud. The column densities in the selected regions range from NH≈ 1021 to1023 cm-2, and hence they correspond to the bulk of the molecular clouds. The relative orientation is evaluated pixel by pixel and analysed in bins of column density using the novel statistical tool called “histogram of relative orientations”. Throughout this study, we assume that the polarized emission observed by Planck at 353 GHz is representative of the projected morphology of the magnetic field in each region, i.e., we assume a constant dust grain alignment efficiency, independent of the local environment. Within most clouds we find that the relative orientation changes progressively with increasing NH, from mostly parallel or having no preferred orientation to mostly perpendicular. In simulations of magnetohydrodynamic turbulence in molecular clouds this trend in relative orientation is a signature of Alfvénic or sub-Alfvénic turbulence, implying that the magnetic field is significant for the gas dynamics at the scales probed by Planck. We compare the deduced magnetic field strength with estimates we obtain from other methods and discuss the implications of the Planck observations for the general picture of molecular cloud formation and evolution.
Published: 2016

154. Planck intermediate results XXXVIII. E- and B-modes of dust polarization from the magnetized filamentary structure of the interstellar medium

Author: Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J-P, Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Cardoso, J-F, Catalano, A., Chamballu, A., Chary, R-R, Chiang, H. C., Christensen, P. R., Colombo, L. P. L., Combet, C., Cri, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., De Bernardis, P., de Rosa, A., De Zotti, Giulia, Delabrouille, J., Delouis, J-M, Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Dore, O., Douspis, M., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Ferriere, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gruppuso, A., Guillet, V., Hansen, F. K., Harrison, D. L., Helou, G., Hernandez-Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hornstrup, Allan, Hovest, W., Huang, Z., Huffenberger, K. M., Hurier, G., Jaffe, T. R., Jones, W. C., Juvela, M., Keihaenen, E., Kesldtalo, R., Kisner, T. S., Kneiss', R., Knoche, J., Kunz, M., Kurld-Suonio, H., Lamarre, J-M, Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Leon-Tavares, J., Levrier, E., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Maialtese, S., McGehee, P., Melchiorri, A., Mennella, A., Migliaccio, M., Miville-Deschenes, M-A, Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, Carol Anne, Pagano, L., Pajot, Fernand, Paoletti, D., Pasian, F., Perdereau, O., Pettorino, V., Piacentini, F., Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Pratt, G. W., Prunet, S., Puget, J-L, Rachen, J. P., Reach, W. T., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Serra, P., Soler, J. D., Stolyarov, V., Sudiwala, R., Sunyaev, R., Suur-Uski, A-S, Sygnet, J-F, Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Yvon, D., Zacchei, A., Zonca, A., Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J-P, Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Cardoso, J-F, Catalano, A., Chamballu, A., Chary, R-R, Chiang, H. C., Christensen, P. R., Colombo, L. P. L., Combet, C., Cri, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., De Bernardis, P., de Rosa, A., De Zotti, Giulia, Delabrouille, J., Delouis, J-M, Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Dore, O., Douspis, M., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Ferriere, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gruppuso, A., Guillet, V., Hansen, F. K., Harrison, D. L., Helou, G., Hernandez-Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hornstrup, Allan, Hovest, W., Huang, Z., Huffenberger, K. M., Hurier, G., Jaffe, T. R., Jones, W. C., Juvela, M., Keihaenen, E., Kesldtalo, R., Kisner, T. S., Kneiss', R., Knoche, J., Kunz, M., Kurld-Suonio, H., Lamarre, J-M, Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Leon-Tavares, J., Levrier, E., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Maialtese, S., McGehee, P., Melchiorri, A., Mennella, A., Migliaccio, M., Miville-Deschenes, M-A, Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, Carol Anne, Pagano, L., Pajot, Fernand, Paoletti, D., Pasian, F., Perdereau, O., Pettorino, V., Piacentini, F., Piat, M., Pierpaoli, E., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Pratt, G. W., Prunet, S., Puget, J-L, Rachen, J. P., Reach, W. T., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Serra, P., Soler, J. D., Stolyarov, V., Sudiwala, R., Sunyaev, R., Suur-Uski, A-S, Sygnet, J-F, Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Yvon, D., Zacchei, A., and Zonca, A.
Abstract: The quest for a B-mode imprint from primordial gravity waves on the polarization of the cosmic microwave background (CMB) requires the characterization of foreground polarization from Galactic dust. We present a statistical study of the filamentary structure of the 353 GHz Planck Stokes maps at high Galactic latitude, relevant to the study of dust emission as a polarized foreground to the CMB. We filter the intensity and polarization maps to isolate filaments in the range of angular scales where the power asymmetry between E-modes and B-modes is observed. Using the Smoothed Hessian Major Axis Filament Finder (SMAFF), we identify 259 filaments at high Galactic latitude, with lengths larger or equal to 2 degrees (corresponding to 3.5 pc in length for a typical distance of 100 pc). These filaments show a preferred orientation parallel to the magnetic field projected onto the plane of the sky, derived from their polarization angles. We present mean maps of the filaments in Stokes I, Q, U, E, and B, computed by stacking individual images rotated to align the orientations of the filaments. Combining the stacked images and the histogram of relative orientations, we estimate the mean polarization fraction of the filaments to be 11%. Furthermore, we show that the correlation between the filaments and the magnetic field orientations may account for the E and B asymmetry and the C-l(TE)/C-l(EE) ratio, reported in the power spectra analysis of the Planck 353 GHz polarization maps. Future models of the dust foreground for CMB polarization studies will need to take into account the observed correlation between the dust polarization and the structure of interstellar matter.
Published: 2016

155. Planck intermediate results XXX. The angular power spectrum of polarized dust emission at intermediate and high Galactic latitudes

Author: Adam, R., Ade, P. A. R., Aghanim, N., Arnaud, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J. -P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Bucher, M., Burigana, C., Butler, R. C., Calabrese, E., Cardoso, J. -F., Catalano, A., Challinor, A., Chamballu, A., Chary, R. -R., Chiang, H. C., Christensen, P. R., Clements, D. L., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., De Zotti, Giulia, Delabrouille, J., Delouis, J. -M., Desert, F. -X., Dickinson, C., Diego, J. M., Dolag, K., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Giraud-Heraud, Y., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gratton, S., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Hanson, D., Harrison, D. L., Helou, G., Henrot-Versille, S., Hernandez-Monteagudo, C., Herranz, D., Hivon, E., Hobson, M., Holmes, W. A., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jewell, J., Jones, W. C., Juvela, M., Keihaenen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Knox, L., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. -M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leahy, J. P., Leonardi, R., Lesgourgues, J., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Mazzotta, P., Meinhold, P. R., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Mitra, Susanta, Miville-Deschenes, M. -A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Moss, A., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Nørgaard-Nielsen, Hans Ulrik, Noviello, F., Novikov, D., Novikov, I., Pagano, L., Pajot, Fernand, Paladini, R., Paoletti, D., Partridge, B., Pasian, F., Patanchon, G., Pearson, T. J., Perdereau, O., Perotto, L., Perrotta, F., Pettorino, V., Piacentini, F., Piat, M., Pierpaoli, E., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Popa, L., Pratt, G. W., Prunet, S., Puget, J. -L., Rachen, J. P., Reach, W. T., Rebolo, R., Remazeilles, M., Renault, C., Renzi, A., Ricciardi, S., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rouille d'Orfeuil, B., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Sutton, D., Suur-Uski, A. -S., Sygnet, J. -F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Tuovinen, J., Valenziano, L., Valiviita, J., Van Tent, B., Vibert, L., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Watson, R., Wehus, I. K., White, M., White, S. D. M., Yvon, D., Zacchei, A., Zonca, A., Adam, R., Ade, P. A. R., Aghanim, N., Arnaud, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J. -P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Bucher, M., Burigana, C., Butler, R. C., Calabrese, E., Cardoso, J. -F., Catalano, A., Challinor, A., Chamballu, A., Chary, R. -R., Chiang, H. C., Christensen, P. R., Clements, D. L., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., De Zotti, Giulia, Delabrouille, J., Delouis, J. -M., Desert, F. -X., Dickinson, C., Diego, J. M., Dolag, K., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Giraud-Heraud, Y., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gratton, S., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Hanson, D., Harrison, D. L., Helou, G., Henrot-Versille, S., Hernandez-Monteagudo, C., Herranz, D., Hivon, E., Hobson, M., Holmes, W. A., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jewell, J., Jones, W. C., Juvela, M., Keihaenen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Knox, L., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. -M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leahy, J. P., Leonardi, R., Lesgourgues, J., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Mazzotta, P., Meinhold, P. R., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Mitra, Susanta, Miville-Deschenes, M. -A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Moss, A., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Nørgaard-Nielsen, Hans Ulrik, Noviello, F., Novikov, D., Novikov, I., Pagano, L., Pajot, Fernand, Paladini, R., Paoletti, D., Partridge, B., Pasian, F., Patanchon, G., Pearson, T. J., Perdereau, O., Perotto, L., Perrotta, F., Pettorino, V., Piacentini, F., Piat, M., Pierpaoli, E., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Popa, L., Pratt, G. W., Prunet, S., Puget, J. -L., Rachen, J. P., Reach, W. T., Rebolo, R., Remazeilles, M., Renault, C., Renzi, A., Ricciardi, S., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rouille d'Orfeuil, B., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Sutton, D., Suur-Uski, A. -S., Sygnet, J. -F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Tuovinen, J., Valenziano, L., Valiviita, J., Van Tent, B., Vibert, L., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Watson, R., Wehus, I. K., White, M., White, S. D. M., Yvon, D., Zacchei, A., and Zonca, A.
Abstract: The polarized thermal emission from diffuse Galactic dust is the main foreground present in measurements of the polarization of the cosmic microwave background (CMB) at frequencies above 100 GHz. In this paper we exploit the uniqueness of the Planck HFI polarization data from 100 to 353 GHz to measure the polarized dust angular power spectra C-l(EE) and C-l(BB) over the multipole range 40
Published: 2016

156. Planck intermediate results XXXIV. The magnetic field structure in the Rosette Nebula

Author: Aghanim, N., Alves, M. I. R., Arnaud, M., Arzoumanian, D., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J. -P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Calabrese, E., Cardoso, J. -F., Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Rosa, A., De Zotti, Giulia, Delabrouille, J., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Ferriere, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Hanson, D., Harrison, D. L., Henrot-Versille, S., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hornstrup, Allan, Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jewell, J., Juvela, M., Keskitalo, R., Kisner, T. S., Knoche, J., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. -M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Miville-Deschenes, M. -A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Moss, A., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Noviello, F., Novikov, D., Novikov, I., Oppermann, N., Pagano, L., Pajot, Fernand, Paladini, R., Paoletti, D., Pasian, F., Patanchon, G., Perdereau, O., Pettorino, V., Piacentini, F., Piat, M., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Pratt, G. W., Prezeau, G., Prunet, S., Puget, J. -L., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Sutton, D., Suur-Uski, A. -S., Sygnet, J. -F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Tuovinen, J., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Wiesemeyer, H., Yvon, D., Zacchei, A., Zonca, A., Aghanim, N., Alves, M. I. R., Arnaud, M., Arzoumanian, D., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J. -P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Calabrese, E., Cardoso, J. -F., Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Rosa, A., De Zotti, Giulia, Delabrouille, J., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Ferriere, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Hanson, D., Harrison, D. L., Henrot-Versille, S., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hornstrup, Allan, Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jewell, J., Juvela, M., Keskitalo, R., Kisner, T. S., Knoche, J., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. -M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Miville-Deschenes, M. -A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Moss, A., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Noviello, F., Novikov, D., Novikov, I., Oppermann, N., Pagano, L., Pajot, Fernand, Paladini, R., Paoletti, D., Pasian, F., Patanchon, G., Perdereau, O., Pettorino, V., Piacentini, F., Piat, M., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Pratt, G. W., Prezeau, G., Prunet, S., Puget, J. -L., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Renzi, A., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Sutton, D., Suur-Uski, A. -S., Sygnet, J. -F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Tuovinen, J., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Wiesemeyer, H., Yvon, D., Zacchei, A., and Zonca, A.
Abstract: Planck has mapped the polarized dust emission over the whole sky, making it possible to trace the Galactic magnetic field structure that pervades the interstellar medium (ISM). We combine polarization data from Planck with rotation measure (RM) observations towards a massive star-forming region, the Rosette Nebula in the Monoceros molecular cloud, to study its magnetic field structure and the impact of an expanding H II region on the morphology of the field. We derive an analytical solution for the magnetic field, assumed to evolve from an initially uniform configuration following the expansion of ionized gas and the formation of a shell of swept-up ISM. From the RM data we estimate a mean value of the line-of-sight component of the magnetic field of about 3 mu G (towards the observer) in the Rosette Nebula, for a uniform electron density of about 12 cm(-3). The dust shell that surrounds the Rosette H II region is clearly observed in the Planck intensity map at 353 GHz, with a polarization signal significantly different from that of the local background when considered as a whole. The Planck observations constrain the plane-of-the-sky orientation of the magnetic field in the Rosette's parent molecular cloud to be mostly aligned with the large-scale field along the Galactic plane. The Planck data are compared with the analytical model, which predicts the mean polarization properties of a spherical and uniform dust shell for a given orientation of the field. This comparison leads to an upper limit of about 45 degrees on the angle between the line of sight and the magnetic field in the Rosette complex, for an assumed intrinsic dust polarization fraction of 4%. This field direction can reproduce the RM values detected in the ionized region if the magnetic field strength in the Monoceros molecular cloud is in the range 6.5-9 mu G. The present analytical model is able to reproduce the RM distribution across the ionized nebula, as well as the me
Published: 2016

157. Planck intermediate results XXXII. The relative orientation between the magnetic field and structures traced by interstellar dust

Author: Adam, R., Ade, P. A. R., Aghanim, N., Alves, M. I. R., Arnaud, M., Arzoumanian, D., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J-P, Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Butler, R. C., Calabrese, E., Cardoso, J-F, Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Rosa, A., de Zotti, G., Delabrouillel, J., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Ferriere, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Gai, S., Ganga, K., Ghosh, T., Giard, M., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, K., Hanson, D., Harrison, D. L., Henrot-Versille, S., Hernandez-Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Juvela, M., Keihanen, E., Keskitalo, R., Kisner, T. S., Kneiss, R., Knoche, J., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J-M, Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Marshal, D. J., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Mazzotta, P., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Miville-Descheness, M-A, Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., Natoli, P., Nørgaard-Nielsen, Hans Ulrik, Noviello, F., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, Carol Anne, Pagano, L., Pajot, Fernand, Paoletti, D., Pasian, F., Perdereau, O., Perotto, L., Perrotta, F., Pettorino, V., Piacentini, F., Piat, M., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Popa, L., Pratt, G. W., Prunet, S., Puget, J-L, Rachen, J. P., Reach, W. T., Reinecke, M., Remazeilles, M., Renault, C., Ristorcelli, I., Rocha, G., Roudier, G., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov', V., Sudiwala, R., Sunyaev, R., Sutton, D., Suur-Uski, A-S, Sygnet, J-F, Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Wiesemeyer, H., Yvon, D., Zacchei, A., Zonca, A., Adam, R., Ade, P. A. R., Aghanim, N., Alves, M. I. R., Arnaud, M., Arzoumanian, D., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J-P, Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Butler, R. C., Calabrese, E., Cardoso, J-F, Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., de Bernardis, P., de Rosa, A., de Zotti, G., Delabrouillel, J., Dickinson, C., Diego, J. M., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Ferriere, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Gai, S., Ganga, K., Ghosh, T., Giard, M., Gjerlow, E., Gonzalez-Nuevo, J., Gorski, K. M., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, K., Hanson, D., Harrison, D. L., Henrot-Versille, S., Hernandez-Monteagudo, C., Herranz, D., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hovest, W., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Juvela, M., Keihanen, E., Keskitalo, R., Kisner, T. S., Kneiss, R., Knoche, J., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J-M, Lasenby, A., Lattanzi, M., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, Michael, Lopez-Caniego, M., Lubin, P. M., Macias-Perez, J. F., Maffei, B., Maino, D., Mandolesi, N., Maris, M., Marshal, D. J., Martin, P. G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Mazzotta, P., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Miville-Descheness, M-A, Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., Natoli, P., Nørgaard-Nielsen, Hans Ulrik, Noviello, F., Novikov, D., Novikov, I., Oppermann, N., Oxborrow, Carol Anne, Pagano, L., Pajot, Fernand, Paoletti, D., Pasian, F., Perdereau, O., Perotto, L., Perrotta, F., Pettorino, V., Piacentini, F., Piat, M., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Popa, L., Pratt, G. W., Prunet, S., Puget, J-L, Rachen, J. P., Reach, W. T., Reinecke, M., Remazeilles, M., Renault, C., Ristorcelli, I., Rocha, G., Roudier, G., Rubino-Martin, J. A., Rusholme, B., Sandri, M., Santos, D., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov', V., Sudiwala, R., Sunyaev, R., Sutton, D., Suur-Uski, A-S, Sygnet, J-F, Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. K., Wiesemeyer, H., Yvon, D., Zacchei, A., and Zonca, A.
Abstract: The role of the magnetic field in the formation of the filamentary structures observed in the interstellar medium (ISM) is a debated topic owing to the paucity of relevant observations needed to test existing models. The Planck all-sky maps of linearly polarized emission from dust at 353 GHz provide the required combination of imaging and statistics to study the correlation between the structures of the Galactic magnetic field and of interstellar matter over the whole sky, both in the diffuse ISM and in molecular clouds. The data reveal that structures, or ridges, in the intensity map have counterparts in the Stokes Q and/or U maps. We focus our study on structures at intermediate and high Galactic latitudes, which cover two orders of magnitude in column density, from 1020 to 1022 cm2. We measure the magnetic field orientation on the plane of the sky from the polarization data, and present an algorithm to estimate the orientation of the ridges from the dust intensity map. We use analytical models to account for projection effects. Comparing polarization angles on and off the structures, we estimate the mean ratio between the strengths of the turbulent and mean components of the magnetic field to be between 0.6 and 1.0, with a preferred value of 0.8. We find that the ridges are usually aligned with the magnetic field measured on the structures. This statistical trend becomes more striking for increasing polarization fraction and decreasing column density. There is no alignment for the highest column density ridges. We interpret the increase in alignment with polarization fraction as a consequence of projection effects. We present maps to show that the decrease in alignment for high column density is not due to a loss of correlation between the distribution of matter and the geometry of the magnetic field. In molecular complexes, we also observe structures perpendicular to the magnetic field, which, statistically, cannot be acco
Published: 2016

158. Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER

Author: Hubmayr, Johannes, additional, Austermann, Jason E., additional, Beall, James A., additional, Becker, Daniel T., additional, Benton, Steven J., additional, Bergman, A. Stevie, additional, Bond, J. Richard, additional, Bryan, Sean, additional, Duff, Shannon M., additional, Duivenvoorden, Adri J., additional, Eriksen, H. K., additional, Filippini, Jeffrey P., additional, Fraisse, A., additional, Galloway, Mathew, additional, Gambrel, Anne E., additional, Ganga, K., additional, Grigorian, Arpi L., additional, Gualtieri, Riccardo, additional, Gudmundsson, Jon E., additional, Hartley, John W., additional, Halpern, M., additional, Hilton, Gene C., additional, Jones, William C., additional, McMahon, Jeffrey J., additional, Moncelsi, Lorenzo, additional, Nagy, Johanna M., additional, Netterfield, C. B., additional, Osherson, Benjamin, additional, Padilla, Ivan, additional, Rahlin, Alexandra S., additional, Racine, B., additional, Ruhl, John, additional, Rudd, T. M., additional, Shariff, J. A., additional, Soler, J. D., additional, Song, Xue, additional, Ullom, Joel N., additional, Van Lanen, Jeff, additional, Vissers, Michael R., additional, Wehus, I. K., additional, Wen, Shyang, additional, Wiebe, D. V., additional, and Young, Edward, additional
Published: 2016
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159. Planck intermediate results. XX. Comparison of polarized thermal emission from Galactic dust with simulations of MHD turbulence

Author: Cardoso, J. F., Delabrouille, J., Ganga, K., Giraud-Héraud, Y., Piat, M., Remazeilles, M., Rosset, C., Roudier, G., Stompor, R., Kunz, M., Natoli, P., Polenta, G., Mandolesi, N., Ashdown, M., Curto, A., Hobson, M., Lasenby, A., Stolyarov, V., Chiang, H.C., Kneissl, R., Bond, J.R., Martin, P. G., Miville-Deschênes, M. A., Alina, D., Banday, A.J., Bernard, J.-P., Bielewicz, P., Ferrière, K., Forni, O., Giard, M., Jaffe, T.R., Montier, L., Pointecouteau, E., Ristorcelli, I., Doré, O., Helou, G., Hildebrandt, S.R., Rocha, G., Hernández-Monteagudo, C., Borrill, J., Keskitalo, R., Chamballu, A., Hornstrup, Allan, Linden-Vørnle, Michael, Oxborrow, Carol Anne, Tucci, M., Atrio-Barandela, F., Toffolatti, L., Netterfield, C.B., Rachen, J.P., Scott, D., Colombo, L.P.L., Benoit-Lévy, A., Huffenberger, K.M., Juvela, M., Keihänen, E., Kurki-Suonio, H., Suur-Uski, A. S., Valiviita, J., Fraisse, A. A., Jones, W.C., Lubin, P.M., Zonca, A., Wandelt, B.D., Liguori, M., Matarrese, S., Burigana, C., De Bernardis, P., Masi, S., Melchiorri, A., Nati, F., Pagano, L., Piacentini, F., Bersanelli, M., Maino, D., Mennella, A., Tomasi, M., Gregorio, A., Mazzotta, P., Christensen, P.R., Naselsky, P., Dupac, X., Leonardi, R., Mendes, L., Tauber, J.A., Umana, G., De Zotti, G., Frailis, M., Galeotta, S., Maris, M., Pasian, F., Cuttaia, F., De Rosa, A., Finelli, F., Franceschi, E., Gruppuso, A., Morgante, G., Paoletti, D., Ricciardi, S., Sandri, M., Terenzi, L., Valenziano, L., Villa, F., Donzelli, S., Jaffe, A.H., Mortlock, D., Novikov, D., Pelkonen, V. M., Rusholme, B., Aghanim, N., Alves, M.I.R., Aniano, G., Arzoumanian, D., Aumont, J., Boulanger, F., Bracco, A., Douspis, M., Fanciullo, L., Ghosh, T., Guillet, V., Lagache, G., Pajot, Fernand, Puget, J. L., Soler, J. D., Benabed, K., Bouchet, F.R., Colombi, S., Hivon, E., Moneti, A., Prunet, S., Sygnet, J. F., Popa, L., Efstathiou, G., Harrison, D.L., Migliaccio, M., Sutton, D., Eriksen, H.K., Hansen, F. K., Lilje, P.B., Barreiro, R.B., Diego, J.M., González-Nuevo, J., López-Caniego, M., Martínez-González, E., Vielva, P., Crill, B.P., Górski, K.M., Holmes, W.A., Lawrence, C.R., Pietrobon, D., Wade, L.A., Davies, R.D., Davis, R. J., Dickinson, C., Noviello, F., Couchot, F., Perdereau, O., Plaszczynski, S., Tristram, M., Catalano, A., Coulais, A., Falgarone, E., Lamarre, J. M., Levrier, F., Arnaud, M., Marshall, D.J., Pratt, G.W., Combet, C., Macías-Pérez, J.F., Perotto, L., Renault, C., Van Tent, B., Kisner, T.S., Enßlin, T.A., Knoche, J., Reinecke, M., Riller, T., Murphy, J.A., Novikov, I., Baccigalupi, C., Danese, L., Perrotta, F., Ade, P.A.R., Munshi, D., Spencer, L.D., Sudiwala, R., Armitage-Caplan, C., Battaner, E., Cardoso, J. F., Delabrouille, J., Ganga, K., Giraud-Héraud, Y., Piat, M., Remazeilles, M., Rosset, C., Roudier, G., Stompor, R., Kunz, M., Natoli, P., Polenta, G., Mandolesi, N., Ashdown, M., Curto, A., Hobson, M., Lasenby, A., Stolyarov, V., Chiang, H.C., Kneissl, R., Bond, J.R., Martin, P. G., Miville-Deschênes, M. A., Alina, D., Banday, A.J., Bernard, J.-P., Bielewicz, P., Ferrière, K., Forni, O., Giard, M., Jaffe, T.R., Montier, L., Pointecouteau, E., Ristorcelli, I., Doré, O., Helou, G., Hildebrandt, S.R., Rocha, G., Hernández-Monteagudo, C., Borrill, J., Keskitalo, R., Chamballu, A., Hornstrup, Allan, Linden-Vørnle, Michael, Oxborrow, Carol Anne, Tucci, M., Atrio-Barandela, F., Toffolatti, L., Netterfield, C.B., Rachen, J.P., Scott, D., Colombo, L.P.L., Benoit-Lévy, A., Huffenberger, K.M., Juvela, M., Keihänen, E., Kurki-Suonio, H., Suur-Uski, A. S., Valiviita, J., Fraisse, A. A., Jones, W.C., Lubin, P.M., Zonca, A., Wandelt, B.D., Liguori, M., Matarrese, S., Burigana, C., De Bernardis, P., Masi, S., Melchiorri, A., Nati, F., Pagano, L., Piacentini, F., Bersanelli, M., Maino, D., Mennella, A., Tomasi, M., Gregorio, A., Mazzotta, P., Christensen, P.R., Naselsky, P., Dupac, X., Leonardi, R., Mendes, L., Tauber, J.A., Umana, G., De Zotti, G., Frailis, M., Galeotta, S., Maris, M., Pasian, F., Cuttaia, F., De Rosa, A., Finelli, F., Franceschi, E., Gruppuso, A., Morgante, G., Paoletti, D., Ricciardi, S., Sandri, M., Terenzi, L., Valenziano, L., Villa, F., Donzelli, S., Jaffe, A.H., Mortlock, D., Novikov, D., Pelkonen, V. M., Rusholme, B., Aghanim, N., Alves, M.I.R., Aniano, G., Arzoumanian, D., Aumont, J., Boulanger, F., Bracco, A., Douspis, M., Fanciullo, L., Ghosh, T., Guillet, V., Lagache, G., Pajot, Fernand, Puget, J. L., Soler, J. D., Benabed, K., Bouchet, F.R., Colombi, S., Hivon, E., Moneti, A., Prunet, S., Sygnet, J. F., Popa, L., Efstathiou, G., Harrison, D.L., Migliaccio, M., Sutton, D., Eriksen, H.K., Hansen, F. K., Lilje, P.B., Barreiro, R.B., Diego, J.M., González-Nuevo, J., López-Caniego, M., Martínez-González, E., Vielva, P., Crill, B.P., Górski, K.M., Holmes, W.A., Lawrence, C.R., Pietrobon, D., Wade, L.A., Davies, R.D., Davis, R. J., Dickinson, C., Noviello, F., Couchot, F., Perdereau, O., Plaszczynski, S., Tristram, M., Catalano, A., Coulais, A., Falgarone, E., Lamarre, J. M., Levrier, F., Arnaud, M., Marshall, D.J., Pratt, G.W., Combet, C., Macías-Pérez, J.F., Perotto, L., Renault, C., Van Tent, B., Kisner, T.S., Enßlin, T.A., Knoche, J., Reinecke, M., Riller, T., Murphy, J.A., Novikov, I., Baccigalupi, C., Danese, L., Perrotta, F., Ade, P.A.R., Munshi, D., Spencer, L.D., Sudiwala, R., Armitage-Caplan, C., and Battaner, E.
Abstract: Polarized emission observed by Planck HFI at 353 GHz towards a sample of nearby fields is presented, focusing on the statistics of polarization fractions p and angles ψ. The polarization fractions and column densities in these nearby fields are representative of the range of values obtained over the whole sky. We find that: (i) the largest polarization fractions are reached in the most diffuse fields; (ii) the maximum polarization fraction pmax decreases with column density NH in the more opaque fields with NH> 1021 cm-2; and (iii) the polarization fraction along a given line of sight is correlated with the local spatial coherence of the polarization angle. These observations are compared to polarized emission maps computed in simulations of anisotropic magnetohydrodynamical turbulence in which we assume a uniform intrinsic polarization fraction of the dust grains. We find that an estimate of this parameter may be recovered from the maximum polarization fraction pmax in diffuse regions where the magnetic field is ordered on large scales and perpendicular to the line of sight. This emphasizes the impact of anisotropies of the magnetic field on the emerging polarization signal. The decrease of the maximum polarization fraction with column density in nearby molecular clouds is well reproduced in the simulations, indicating that it is essentially due to the turbulent structure of the magnetic field: an accumulation of variously polarized structures along the line of sight leads to such an anti-correlation. In the simulations, polarization fractions are also found to anti-correlate with the angle dispersion function S. However, the dispersion of the polarization angle for a given polarization fraction is found to be larger in the simulations than in the observations, suggesting a shortcoming in the physical content of these numerical models. In summary, we find that the tu
Published: 2015

160. An application of an optimal statistic for characterizing relative orientations.

Author: Jow, Dylan L., Hill, Ryley, Scott, Douglas, Soler, J. D., Martin, P. G., Devlin, M. J., Fissel, L. M., and Poidevin, F.
Subjects: RAYLEIGH model, POLARIZATION (Nuclear physics), POLARIZATION spectroscopy, ASTROPHYSICS, MAGNETIC fields
Abstract: We present the projected Rayleigh statistic (PRS), a modification of the classic Rayleigh statistic, as a test for non-uniform relative orientation between two pseudo-vector fields. In the application here, this gives an effective way of investigating whether polarization pseudovectors (spin-2 quantities) are preferentially parallel or perpendicular to filaments in the interstellar medium. For example, there are other potential applications in astrophysics, e.g. when comparing small-scale orientations with larger scale shear patterns. We compare the efficiency of the PRS against histogram binning methods that have previously been used for characterizing the relative orientations of gas column density structures with the magnetic field projected on the plane of the sky. We examine data for the Vela C molecular cloud, where the column density is inferred from Herschel submillimetre observations, and the magnetic field from observations by the Balloon-borne Large-Aperture Submillimetre Telescope in the 250-, 350- and 500-μm wavelength bands. We find that the PRS has greater statistical power than approaches that bin the relative orientation angles, as it makes more efficient use of the information contained in the data. In particular, the use of the PRS to test for preferential alignment results in a higher statistical significance, in each of the four Vela C regions, with the greatest increase being by a factor 1.3 in the South-Nest region in the 250 - μm band. [ABSTRACT FROM AUTHOR]
Published: 2018
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161. Galactic interstellar filaments as probed by LOFAR and Planck

Author: Zaroubi, S., primary, Jelić, V., additional, de Bruyn, A. G., additional, Boulanger, F., additional, Bracco, A., additional, Kooistra, R., additional, Alves, M. I. R., additional, Brentjens, M. A., additional, Ferrière, K., additional, Ghosh, T., additional, Koopmans, L. V. E., additional, Levrier, F., additional, Miville-Deschênes, M.-A., additional, Montier, L., additional, Pandey, V. N., additional, and Soler, J. D., additional
Published: 2015
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162. Attitude determination for balloon-borne experiments

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Gandilo, N. N., Ade, P. A. R., Amiri, M., Angilè, F. E., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Golwala, S., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., Young, E. Y., Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Gandilo, N. N., Ade, P. A. R., Amiri, M., Angilè, F. E., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Golwala, S., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., and Young, E. Y.
Abstract: An attitude determination system for balloon-borne experiments is presented. The system provides pointing information in azimuth and elevation for instruments flying on stratospheric balloons over Antarctica. In-flight attitude is given by the real-time combination of readings from star cameras, a magnetometer, sun sensors, GPS, gyroscopes, tilt sensors and an elevation encoder. Post-flight attitude reconstruction is determined from star camera solutions, interpolated by the gyroscopes using an extended Kalman Filter. The multi-sensor system was employed by the Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry (BLASTPol), an experiment that measures polarized thermal emission from interstellar dust clouds. A similar system was designed for the upcoming flight of Spider, a Cosmic Microwave Background polarization experiment. The pointing requirements for these experiments are discussed, as well as the challenges in designing attitude reconstruction systems for high altitude balloon flights. In the 2010 and 2012 BLASTPol flights from McMurdo Station, Antarctica, the system demonstrated an accuracy of < 5' rms in-flight, and < 5" rms post-flight.
Published: 2014

163. Thermal design and performance of the balloon-borne large aperture submillimeter telescope for polarimetry BLASTPol

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Soler, J. D., Ade, P. A. R., Angilè, F. E., Benton, S. J., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Galitzki, N., Gandilo, N. N., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Mroczkowski, A., Netterfield, C. B., Novak, G., Nutter, D., Pascale, E., Poidevin, F., Savini, G., Scott, D., Shariff, Jamil A., Thomas, N. E., Truch, M. D., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Soler, J. D., Ade, P. A. R., Angilè, F. E., Benton, S. J., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Galitzki, N., Gandilo, N. N., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Mroczkowski, A., Netterfield, C. B., Novak, G., Nutter, D., Pascale, E., Poidevin, F., Savini, G., Scott, D., Shariff, Jamil A., Thomas, N. E., Truch, M. D., Tucker, C. E., Tucker, G. S., and Ward-Thompson, D.
Abstract: We present the thermal model of the Balloon-borne Large-Aperture Submillimeter Telescope for Polarimetry (BLASTPol). This instrument was successfully own in two circumpolar flights from McMurdo, Antarctica in 2010 and 2012. During these two flights, BLASTPol obtained unprecedented information about the magnetic field in molecular clouds through the measurement of the polarized thermal emission of interstellar dust grains. The thermal design of the experiment addresses the stability and control of the payload necessary for this kind of measurement. We describe the thermal modeling of the payload including the sun-shielding strategy. We present the in-flight thermal performance of the instrument and compare the predictions of the model with the temperatures registered during the flight. We describe the difficulties of modeling the thermal behavior of the balloon-borne platform and establish landmarks that can be used in the design of future balloon-borne instruments.
Published: 2014

164. BLASTbus electronics: general-purpose readout and control for balloon-borne experiments

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Benton, S. J., Ade, P. A., Amiri, M., Angilè, F. E., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Ogburn, R. W., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., Young, E. Y., Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Benton, S. J., Ade, P. A., Amiri, M., Angilè, F. E., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Ogburn, R. W., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., and Young, E. Y.
Abstract: We present the second generation BLASTbus electronics. The primary purposes of this system are detector readout, attitude control, and cryogenic housekeeping, for balloon-borne telescopes. Readout of neutron transmutation doped germanium (NTD-Ge) bolometers requires low noise and parallel acquisition of hundreds of analog signals. Controlling a telescope's attitude requires the capability to interface to a wide variety of sensors and motors, and to use them together in a fast, closed loop. To achieve these different goals, the BLASTbus system employs a flexible motherboard-daughterboard architecture. The programmable motherboard features a digital signal processor (DSP) and field-programmable gate array (FPGA), as well as slots for three daughterboards. The daughterboards provide the interface to the outside world, with versions for analog to digital conversion, and optoisolated digital input/output. With the versatility afforded by this design, the BLASTbus also finds uses in cryogenic, thermometry, and power systems. For accurate timing control to tie everything together, the system operates in a fully synchronous manner. BLASTbus electronics have been successfully deployed to the South Pole, and own on stratospheric balloons.
Published: 2014

165. The Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry-BLASTPol: performance and results from the 2012 Antarctic flight

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Galitzki, N., Ade, P. A. R., Angilè, F. E., Benton, S. J., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N. N., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Netterfield, C. B., Novak, G., Nutter, D., Pascale, E., Poidevin, F., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Galitzki, N., Ade, P. A. R., Angilè, F. E., Benton, S. J., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N. N., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Netterfield, C. B., Novak, G., Nutter, D., Pascale, E., Poidevin, F., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Tucker, C. E., Tucker, G. S., and Ward-Thompson, D.
Abstract: The Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry (BLASTPol) is a suborbital mapping experiment, designed to study the role played by magnetic fields in the star formation process. BLASTPol observes polarized light using a total power instrument, photolithographic polarizing grids, and an achromatic half-wave plate to modulate the polarization signal. During its second flight from Antarctica in December 2012, BLASTPol made degree scale maps of linearly polarized dust emission from molecular clouds in three wavebands, centered at 250, 350, and 500 mum. The instrumental performance was an improvement over the 2010 BLASTPol ight, with decreased systematics resulting in a higher number of confirmed polarization vectors. The resultant dataset allows BLASTPol to trace magnetic fields in star-forming regions at scales ranging from cores to entire molecular cloud complexes.
Published: 2014

166. Design and construction of a carbon fiber gondola for the SPIDER balloon-borne telescope

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Soler, J. D., Bock, J. J., Crill, B. P., Doré, O. P., Filippini, J. P., Golwala, S. R., Hristov, V. V., Mason, P. V., Moncelsi, L., Morford, T., Tucker, R. S., Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Soler, J. D., Bock, J. J., Crill, B. P., Doré, O. P., Filippini, J. P., Golwala, S. R., Hristov, V. V., Mason, P. V., Moncelsi, L., Morford, T., and Tucker, R. S.
Abstract: We introduce the light-weight carbon fiber and aluminum gondola designed for the Spider balloon-borne telescope. Spider is designed to measure the polarization of the Cosmic Microwave Background radiation with unprecedented sensitivity and control of systematics in search of the imprint of inflation: a period of exponential expansion in the early Universe. The requirements of this balloon-borne instrument put tight constrains on the mass budget of the payload. The Spider gondola is designed to house the experiment and guarantee its operational and structural integrity during its balloon-borne flight, while using less than 10% of the total mass of the payload. We present a construction method for the gondola based on carbon fiber reinforced polymer tubes with aluminum inserts and aluminum multi-tube joints. We describe the validation of the model through Finite Element Analysis and mechanical tests.
Published: 2014

167. Pre-flight integration and characterization of the SPIDER balloon-borne telescope

Author: Rahlin, A. S., additional, Ade, P. A. R., additional, Amiri, M., additional, Benton, S. J., additional, Bock, J. J., additional, Bond, J. R., additional, Bryan, S. A., additional, Chiang, Hsin C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Doré, O., additional, Farhang, M., additional, Filippini, J. P., additional, Fissel, L. M., additional, Fraisse, A. A., additional, Gambrel, A. E., additional, Gandilo, N. N., additional, Golwala, S., additional, Gudmundsson, Jon E., additional, Halpern, M., additional, Hasselfield, M. F., additional, Hilton, G., additional, Holmes, W. A., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, William C., additional, Kermish, Zigmund D., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Megerian, K., additional, Moncelsi, L., additional, Morford, T. A., additional, Nagy, J. M., additional, Netterfield, C. B., additional, O'Brient, R., additional, Reintsema, C., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Shariff, J. A., additional, Soler, J. D., additional, Trangsrud, A., additional, Tucker, C., additional, Tucker, R. S., additional, Turner, A. D., additional, Weber, A. C., additional, Wiebe, D. V., additional, and Young, E. Y., additional
Published: 2014
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168. Design and construction of a carbon fiber gondola for the SPIDER balloon-borne telescope

Author: Soler, J. D., additional, Ade, P. A. R., additional, Amiri, M., additional, Benton, S. J., additional, Bock, J. J., additional, Bond, J. R., additional, Bryan, S. A., additional, Chiang, C., additional, Contaldi, C. C., additional, Crill, B. P., additional, Doré, O. P., additional, Farhang, M., additional, Filippini, Jeffrey P., additional, Fissel, L. M., additional, Fraisse, A. A., additional, Gambrel, A. E., additional, Gandilo, N. N., additional, Golwala, S., additional, Gudmundsson, J. E., additional, Halpern, M., additional, Hasselfield, M., additional, Hilton, G. C., additional, Holmes, W. A., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kermish, Z. K., additional, Kuo, C.-L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Megerian, K. G., additional, Moncelsi, L., additional, Morford, T., additional, Nagy, J. M., additional, Netterfield, C. B., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Shariff, J. A., additional, Trangsrud, A., additional, Tucker, C., additional, Tucker, R. S., additional, Turner, A. D., additional, Weber, A. C., additional, Wiebe, D. V., additional, and Young, E. Y., additional
Published: 2014
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169. The Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry-BLASTPol: performance and results from the 2012 Antarctic flight

Author: Galitzki, N., additional, Ade, P. A. R., additional, Angilè, F. E., additional, Benton, S. J., additional, Devlin, M. J., additional, Dober, B., additional, Fissel, L. M., additional, Fukui, Y., additional, Gandilo, N. N., additional, Klein, J., additional, Korotkov, A. L., additional, Matthews, T. G., additional, Moncelsi, L., additional, Netterfield, C. B., additional, Novak, G., additional, Nutter, D., additional, Pascale, E., additional, Poidevin, F., additional, Savini, G., additional, Scott, D., additional, Shariff, J. A., additional, Soler, J. D., additional, Tucker, C. E., additional, Tucker, G. S., additional, and Ward-Thompson, D., additional
Published: 2014
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170. BLASTbus electronics: general-purpose readout and control for balloon-borne experiments

Author: Benton, S. J., additional, Ade, P. A., additional, Amiri, M., additional, Angilè, F. E., additional, Bock, J. J., additional, Bond, J. R., additional, Bryan, S. A., additional, Chiang, H. C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Devlin, M. J., additional, Dober, B., additional, Doré, O. P., additional, Farhang, M., additional, Filippini, J. P., additional, Fissel, L. M., additional, Fraisse, A. A., additional, Fukui, Y., additional, Galitzki, N., additional, Gambrel, A. E., additional, Gandilo, N. N., additional, Golwala, S. R., additional, Gudmundsson, J. E., additional, Halpern, M., additional, Hasselfield, M., additional, Hilton, G. C., additional, Holmes, W. A., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kermish, Z. D., additional, Klein, J., additional, Korotkov, A. L., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Matthews, T. G., additional, Megerian, K. G., additional, Moncelsi, L., additional, Morford, T. A., additional, Mroczkowski, T. K., additional, Nagy, J. M., additional, Netterfield, C. B., additional, Novak, G., additional, Nutter, D., additional, O'Brient, R., additional, Ogburn, R. W., additional, Pascale, E., additional, Poidevin, F., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Savini, G., additional, Scott, D., additional, Shariff, J. A., additional, Soler, J. D., additional, Thomas, N. E., additional, Trangsrud, A., additional, Truch, M. D., additional, Tucker, C. E., additional, Tucker, G. S., additional, Tucker, R. S., additional, Turner, A. D., additional, Ward-Thompson, D., additional, Weber, A. C., additional, Wiebe, D. V., additional, and Young, E. Y., additional
Published: 2014
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171. Pointing control for the SPIDER balloon-borne telescope

Author: Shariff, J. A., additional, Ade, P. A. R., additional, Amiri, M., additional, Benton, S. J., additional, Bock, J. J., additional, Bond, J. R., additional, Bryan, S. A., additional, Chiang, H. C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Doré, O. P., additional, Farhang, M., additional, Filippini, J. P., additional, Fissel, L. M., additional, Fraisse, A. A., additional, Gambrel, A. E., additional, Gandilo, N. N., additional, Golwala, S. R., additional, Gudmundsson, J. E., additional, Halpern, M., additional, Hasselfield, M., additional, Hilton, G. C., additional, Holmes, W. A., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kermish, Z. D., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Megerian, K. G., additional, Moncelsi, L., additional, Morford, T. A., additional, Nagy, J. M., additional, Netterfield, C. B., additional, O'Brient, R., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Soler, J. D., additional, Trangsrud, A., additional, Tucker, C. E., additional, Tucker, R. S., additional, Turner, A. D., additional, Weber, A. C., additional, Wiebe, D. V., additional, and Young, E. Y., additional
Published: 2014
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172. Attitude determination for balloon-borne experiments

Author: Gandilo, N. N., additional, Ade, P. A. R., additional, Amiri, M., additional, Angilè, F. E., additional, Benton, S. J., additional, Bock, J. J., additional, Bond, J. R., additional, Bryan, S. A., additional, Chiang, H. C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Devlin, M. J., additional, Dober, B., additional, Doré, O. P., additional, Farhang, M., additional, Filippini, J. P., additional, Fissel, L. M., additional, Fraisse, A. A., additional, Fukui, Y., additional, Galitzki, N., additional, Gambrel, A. E., additional, Golwala, S., additional, Gudmundsson, J. E., additional, Halpern, M., additional, Hasselfield, M., additional, Hilton, G. C., additional, Holmes, W. A., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kermish, Z. D., additional, Klein, J., additional, Korotkov, A. L., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Matthews, T. G., additional, Megerian, K. G., additional, Moncelsi, L., additional, Morford, T. A., additional, Mroczkowski, T. K., additional, Nagy, J. M., additional, Netterfield, C. B., additional, Novak, G., additional, Nutter, D., additional, O'Brient, R., additional, Pascale, E., additional, Poidevin, F., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Savini, G., additional, Scott, D., additional, Shariff, J. A., additional, Soler, J. D., additional, Thomas, N. E., additional, Trangsrud, A., additional, Truch, M. D., additional, Tucker, C. E., additional, Tucker, G. S., additional, Tucker, R. S., additional, Turner, A. D., additional, Ward-Thompson, D., additional, Weber, A. C., additional, Wiebe, D. V., additional, and Young, E. Y., additional
Published: 2014
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173. Thermal design and performance of the balloon-borne large aperture submillimeter telescope for polarimetry BLASTPol

Author: Soler, J. D., additional, Ade, P. A. R., additional, Angilè, F. E., additional, Benton, S. J., additional, Devlin, M. J., additional, Dober, B., additional, Fissel, L. M., additional, Fukui, Y., additional, Galitzki, N., additional, Gandilo, N. N., additional, Klein, J., additional, Korotkov, A. L., additional, Matthews, T. G., additional, Moncelsi, L., additional, Mroczkowski, A., additional, Netterfield, C. B., additional, Novak, G., additional, Nutter, D., additional, Pascale, E., additional, Poidevin, F., additional, Savini, G., additional, Scott, D., additional, Shariff, Jamil A., additional, Thomas, N. E., additional, Truch, M. D., additional, Tucker, C. E., additional, Tucker, G. S., additional, and Ward-Thompson, D., additional
Published: 2014
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174. AN IMPRINT OF MOLECULAR CLOUD MAGNETIZATION IN THE MORPHOLOGY OF THE DUST POLARIZED EMISSION

Author: Soler, J. D., primary, Hennebelle, P., additional, Martin, P. G., additional, Miville-Deschênes, M.-A., additional, Netterfield, C. B., additional, and Fissel, L. M., additional
Published: 2013
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175. SPIDER OPTIMIZATION. II. OPTICAL, MAGNETIC, AND FOREGROUND EFFECTS

Author: O'Dea, D. T., primary, Ade, P. A. R., additional, Amiri, M., additional, Benton, S. J., additional, Bock, J. J., additional, Bond, J. R., additional, Bonetti, J. A., additional, Bryan, S., additional, Burger, B., additional, Chiang, H. C., additional, Clark, C. N., additional, Contaldi, C. R., additional, Crill, B. P., additional, Davis, G., additional, Doré, O., additional, Farhang, M., additional, Filippini, J. P., additional, Fissel, L. M., additional, Fraisse, A. A., additional, Gandilo, N. N., additional, Golwala, S., additional, Gudmundsson, J. E., additional, Hasselfield, M., additional, Hilton, G., additional, Holmes, W., additional, Hristov, V. V., additional, Irwin, K., additional, Jones, W. C., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Montroy, T. E., additional, Morford, T. A., additional, Netterfield, C. B., additional, Rahlin, A. S., additional, Reintsema, C., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Schenker, M. A., additional, Shariff, J. A., additional, Soler, J. D., additional, Trangsrud, A., additional, Tucker, C., additional, Tucker, R. S., additional, Turner, A. D., additional, and Wiebe, D., additional
Published: 2011
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176. Design and performance of the SPIDER instrument

Author: Runyan, M. C., primary, Ade, P. A. R., additional, Amiri, M., additional, Benton, S., additional, Bihary, R., additional, Bock, J. J., additional, Bond, J. R., additional, Bonetti, J. A., additional, Bryan, S. A., additional, Chiang, H. C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Dore, O., additional, O'Dea, D., additional, Farhang, M., additional, Filippini, J. P., additional, Fissel, L., additional, Gandilo, N., additional, Golwala, S. R., additional, Gudmundsson, J. E., additional, Hasselfield, M., additional, Halpern, M., additional, Hilton, G., additional, Holmes, W., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Morford, T. A., additional, Montroy, T. E., additional, Netterfield, C. B., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Schenker, M. A., additional, Shariff, J., additional, Soler, J. D., additional, Trangsrud, A., additional, Tucker, R. S., additional, Tucker, C. E., additional, and Turner, A., additional
Published: 2010
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177. SPIDER: a balloon-borne CMB polarimeter for large angular scales

Author: Filippini, J. P., primary, Ade, P. A. R., additional, Amiri, M., additional, Benton, S. J., additional, Bihary, R., additional, Bock, J. J., additional, Bond, J. R., additional, Bonetti, J. A., additional, Bryan, S. A., additional, Burger, B., additional, Chiang, H. C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Doré, O., additional, Farhang, M., additional, Fissel, L. M., additional, Gandilo, N. N., additional, Golwala, S. R., additional, Gudmundsson, J. E., additional, Halpern, M., additional, Hasselfield, M., additional, Hilton, G., additional, Holmes, W., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Montroy, T. E., additional, Morford, T. A., additional, Netterfield, C. B., additional, O'Dea, D. T., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Schenker, M. A., additional, Shariff, J. A., additional, Soler, J. D., additional, Trangsrud, A., additional, Tucker, C., additional, Tucker, R. S., additional, and Turner, A. D., additional
Published: 2010
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178. Thermal architecture for the SPIDER flight cryostat

Author: Gudmundsson, J. E., primary, Ade, P. A. R., additional, Amiri, M., additional, Benton, S. J., additional, Bihary, R., additional, Bock, J. J., additional, Bond, J. R., additional, Bonetti, J. A., additional, Bryan, S. A., additional, Burger, B., additional, Chiang, H. C., additional, Contaldi, C. R., additional, Crill, B. P., additional, Doré, O., additional, Farhang, M., additional, Filippini, J., additional, Fissel, L. M., additional, Gandilo, N. N., additional, Golwala, S. R., additional, Halpern, M., additional, Hasselfield, M., additional, Hilton, G., additional, Holmes, W., additional, Hristov, V. V., additional, Irwin, K. D., additional, Jones, W. C., additional, Kuo, C. L., additional, MacTavish, C. J., additional, Mason, P. V., additional, Montroy, T. E., additional, Morford, T. A., additional, Netterfield, C. B., additional, O'Dea, D. T., additional, Rahlin, A. S., additional, Reintsema, C. D., additional, Ruhl, J. E., additional, Runyan, M. C., additional, Schenker, M. A., additional, Shariff, J. A., additional, Soler, J. D., additional, Trangsrud, A., additional, Tucker, C., additional, Tucker, R. S., additional, and Turner, A. D., additional
Published: 2010
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179. CREATIVE INDUSTRIES IN COLOMBIA: CHARACTERIZATION AND DEVELOPMENT.

Author: Varela, R. and Soler, J. D.
Subjects: CULTURAL industries, GROSS domestic product, STAKEHOLDERS, BUSINESSPEOPLE, ENTREPRENEURSHIP
Abstract: In Colombia the creative industries sector had not been researched in a systematic way. There are very few studies on the contribution that the sector has in the GDP, or in the number of jobs generated, or in the significance of the sector as a knowledge producer or in the effect it has in the expression of the local culture or in the manifestation of the creativity of the citizens of those countries. This paper shows a first characterization of the sector in Colombia, considering the perspectives and perception of two groups of stakeholders: the entrepreneurs and high level managers of companies in the creative industries sector and the national experts on the sector. The results allow a first characterization in different variables, not only for the Entrepreneurs/ high mangers in charge of the enterprises, but also from the business operations. Some policy recommendations are made to foster the development of this economic sector [ABSTRACT FROM AUTHOR]
Published: 2012

180. Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER

Author: Holland, Wayne S., Zmuidzinas, Jonas, Hubmayr, Johannes, Austermann, Jason E., Beall, James A., Becker, Daniel T., Benton, Steven J., Bergman, A. Stevie, Bond, J. Richard, Bryan, Sean, Duff, Shannon M., Duivenvoorden, Adri J., Eriksen, H. K., Filippini, Jeffrey P., Fraisse, A., Galloway, Mathew, Gambrel, Anne E., Ganga, K., Grigorian, Arpi L., Gualtieri, Riccardo, Gudmundsson, Jon E., Hartley, John W., Halpern, M., Hilton, Gene C., Jones, William C., McMahon, Jeffrey J., Moncelsi, Lorenzo, Nagy, Johanna M., Netterfield, C. B., Osherson, Benjamin, Padilla, Ivan, Rahlin, Alexandra S., Racine, B., Ruhl, John, Rudd, T. M., Shariff, J. A., Soler, J. D., Song, Xue, Ullom, Joel N., Van Lanen, Jeff, Vissers, Michael R., Wehus, I. K., Wen, Shyang, Wiebe, D. V., and Young, Edward
Published: 2016
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181. PRODUCCIÓN DE IMÁGENES MÉDICAS POR MEDIO DE DETECTORES DE MICROCINTAS DE SILICIO.

Author: Soler, J. D., Ramello, L., Avila, C., Bollini, D., Cabal, A. E., Ceballos, C., Dabrowski, W., Gambaccini, M., Giubellino, P., Grybos, P., Lopez, J., Marzari-Chiesa, A., Montano, L. M., Prino, F., Sanabria, J. C., Sarnelli, A., Swientek, K., Taibi, A., Tuffanelli, A., and Van Espen, P.
Subjects: *DIGITAL images, *DIAGNOSTIC imaging, *SILICON, *DETECTORS, *ANGIOGRAPHY
Abstract: This article describes the procedure followed in order to obtain digital images with medical purposes using a silicon microstrip detector. It is shown the calibration procedure and obtention of the parameters that optimize the performance of the RX64 readout circuit. It is also described the analysis procedure applied to a group of images obtained from a dynamics angyography phantom and its corresponding simulations in the MCNP-4C particle transport code. [ABSTRACT FROM AUTHOR]
Published: 2006

182. Pointing control for the SPIDER balloon-borne telescope

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Shariff, J. A., Ade, P. A. R., Amiri, M., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Gambrel, A. E., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Kuo, C. L., MacTavish, C. J., Mason, P. V., Megerian, K. G., Moncelsi, L., Morford, T. A., Nagy, J. M., Netterfield, C. B., O'Brient, R., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Soler, J. D., Trangsrud, A., Tucker, C. E., Tucker, R. S., Turner, A. D., Weber, A. C., Wiebe, D. V., and Young, E. Y.
Published: 2014
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183. Planck intermediate results. XLIV. The structure of the Galactic magnetic field from dust polarization maps of the southern Galactic cap

Author: Planck Collaboration, Aghanim, N., Alves, M. I. R., Arzoumanian, D., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A. J., Barreiro, R. B., Bartolo, N., Basak, S., Benabed, K., Bernard, J. -P, Bersanelli, M., Bielewicz, P., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Bucher, M., Burigana, C., Calabrese, E., Cardoso, J. -F, Chiang, H. C., Colombo, L. P. L., Combet, C., Comis, B., Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Davis, R. J., Bernardis, P., Rosa, A., Zotti, G., Delabrouille, J., Delouis, J. -M, Di Valentino, E., Dickinson, C., Diego, J. M., Doré, O., Douspis, M., Ducout, A., Dupac, X., Dusini, S., Efstathiou, G., Elsner, F., Enßlin, T. A., Eriksen, H. K., Falgarone, E., Fantaye, Y., Ferrière, K., Finelli, F., Frailis, M., Fraisse, A. A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Génova-Santos, R. T., Gerbino, M., Ghosh, T., González-Nuevo, J., Górski, K. M., Gratton, S., Gregorio, A., Gruppuso, A., Gudmundsson, J. E., Guillet, V., Hansen, F. K., Helou, G., Henrot-Versillé, S., Herranz, D., Hivon, E., Huang, Z., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Keihänen, E., Keskitalo, R., Kisner, T. S., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lähteenmäki, A., Lamarre, J. -M, Langer, M., Lasenby, A., Lattanzi, M., Le Jeune, M., Levrier, F., Liguori, M., Lilje, P. B., López-Caniego, M., Lubin, P. M., Macías-Pérez, J. F., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martínez-González, E., Matarrese, S., Mauri, N., Mcewen, J. D., Melchiorri, A., Mennella, A., Migliaccio, M., Miville-Deschênes, M. -A, Molinari, D., Moneti, A., Montier, L., Morgante, G., Moss, A., Naselsky, P., Natoli, P., Neveu, J., Nørgaard-Nielsen, H. U., Oppermann, N., Oxborrow, C. A., Pagano, L., Paoletti, D., Partridge, B., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Plaszczynski, S., Polenta, G., Rachen, J. P., Rebolo, R., Reinecke, M., Remazeilles, M., Renzi, A., Ristorcelli, I., Rocha, G., Rossetti, M., Roudier, G., Ruiz-Granados, B., Salvati, L., Sandri, M., Savelainen, M., Scott, D., Sirignano, C., Soler, J. D., Suur-Uski, A. -S, Tauber, J. A., Tavagnacco, D., Tenti, M., Toffolatti, L., Maurizio Tomasi, Tristram, M., Trombetti, T., Valiviita, J., Vansyngel, F., Tent, F., Vielva, P., Villa, F., Wandelt, B. D., Wehus, I. K., Zacchei, A., Zonca, A., Aghanim, N., Alves, M.I.R., Arzoumanian, D., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A.J., Barreiro, R.B., Bartolo, N., Basak, S., Benabed, K., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bonavera, L., Bond, J.R., Borrill, J., Bouchet, F.R., Boulanger, F., Bracco, A., Bucher, M., Burigana, C., Calabrese, E., Cardoso, J.-F., Chiang, H.C., Colombo, L.P.L., Combet, C., Comis, B., Couchot, F., Coulais, A., Crill, B.P., Curto, A., Cuttaia, F., Davis, R.J., De Bernardis, P., De Rosa, A., De Zotti, G., Delabrouille, J., Delouis, J.-M., Di Valentino, E., Dickinson, C., Diego, J.M., Doré, O., Douspis, M., Ducout, A., Dupac, X., Dusini, S., Efstathiou, G., Elsner, F., Enßlin, T.A., Eriksen, H.K., Falgarone, E., Fantaye, Y., Ferrière, K., Finelli, F., Frailis, M., Fraisse, A.A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Génova-Santos, R.T., Gerbino, M., Ghosh, T., González-Nuevo, J., Górski, K.M., Gratton, S., Gregorio, A., Gruppuso, A., Gudmundsson, J.E., Guillet, V., Hansen, F.K., Helou, G., Henrot-Versillé, S., Herranz, D., Hivon, E., Huang, Z., Jaffe, A.H., Jaffe, T.R., Jones, W.C., Keihänen, E., Keskitalo, R., Kisner, T.S., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lähteenmäki, A., Lamarre, J.-M., Langer, M., Lasenby, A., Lattanzi, M., Le Jeune, M., Levrier, F., Liguori, M., Lilje, P.B., López-Caniego, M., Lubin, P.M., MacIás-Pérez, J.F., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P.G., Martínez-González, E., Matarrese, S., Mauri, N., Mcewen, J.D., Melchiorri, A., Mennella, A., Migliaccio, M., Miville-Deschênes, M.-A., Molinari, D., Moneti, A., Montier, L., Morgante, G., Moss, A., Naselsky, P., Natoli, P., Neveu, J., Nørgaard-Nielsen, H.U., Oppermann, N., Oxborrow, C.A., Pagano, L., Paoletti, D., Partridge, B., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Plaszczynski, S., Polenta, G., Rachen, J.P., Rebolo, R., Reinecke, M., Remazeilles, M., Renzi, A., Ristorcelli, I., Rocha, G., Rossetti, M., Roudier, G., Ruiz-Granados, B., Salvati, L., Sandri, M., Savelainen, M., Scott, D., Sirignano, C., Soler, J.D., Suur-Uski, A.-S., Tauber, J.A., Tavagnacco, D., Tenti, M., Toffolatti, L., Tomasi, M., Tristram, M., Trombetti, T., Valiviita, J., Vansyngel, F., Van Tent, F., Vielva, P., Villa, F., Wandelt, B.D., Wehus, I.K., Zacchei, A., Zonca, A., Alves, M. I. R., Banday, A. J., Barreiro, R. B., Bernard, J. P., Bond, J. R., Bouchet, F. R., Cardoso, J. F., Chiang, H. C., Colombo, L. P. L., Crill, B. P., Davis, R. J., Delouis, J. M., Diego, J. M., Enßlin, T. A., Eriksen, H. K., Fraisse, A. A., Génova Santos, R. T., González Nuevo, J., Górski, K. M., Gregorio, Anna, Gudmundsson, J. E., Hansen, F. K., Henrot Versillé, S., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Kisner, T. S., Kurki Suonio, H., Lamarre, J. M., Lilje, P. B., López Caniego, M., Lubin, P. M., MacIás Pérez, J. F., Maggio, Gianmarco, Martin, P. G., Martínez González, E., Mcewen, J. D., Miville Deschênes, M. A., Nørgaard Nielsen, H. U., Oxborrow, C. A., Rachen, J. P., Ruiz Granados, B., Soler, J. D., Suur Uski, A. S., Tauber, J. A., Tavagnacco, Daniele, Wandelt, B. D., Wehus, I. K., Aghanim, N, Alves, M, Arzoumanian, D, Aumont, J, Baccigalupi, C, Ballardini, M, Banday, A, Barreiro, R, Bartolo, N, Basak, S, Benabed, K, Bernard, J, Bersanelli, M, Bielewicz, P, Bonavera, L, Bond, J, Borrill, J, Bouchet, F, Boulanger, F, Bracco, A, Bucher, M, Burigana, C, Calabrese, E, Cardoso, J, Chiang, H, Colombo, L, Combet, C, Comis, B, Couchot, F, Coulais, A, Crill, B, Curto, A, Cuttaia, F, Davis, R, De Bernardis, P, De Rosa, A, De Zotti, G, Delabrouille, J, Delouis, J, Di Valentino, E, Dickinson, C, Diego, J, Doré, O, Douspis, M, Ducout, A, Dupac, X, Dusini, S, Efstathiou, G, Elsner, F, Enßlin, T, Eriksen, H, Falgarone, E, Fantaye, Y, Ferrière, K, Finelli, F, Frailis, M, Fraisse, A, Franceschi, E, Frolov, A, Galeotta, S, Galli, S, Ganga, K, Génova-Santos, R, Gerbino, M, Ghosh, T, González-Nuevo, J, Górski, K, Gratton, S, Gregorio, A, Gruppuso, A, Gudmundsson, J, Guillet, V, Hansen, F, Helou, G, Henrot-Versillé, S, Herranz, D, Hivon, E, Huang, Z, Jaffe, A, Jaffe, T, Jones, W, Keihänen, E, Keskitalo, R, Kisner, T, Krachmalnicoff, N, Kunz, M, Kurki-Suonio, H, Lagache, G, Lähteenmäki, A, Lamarre, J, Langer, M, Lasenby, A, Lattanzi, M, Le Jeune, M, Levrier, F, Liguori, M, Lilje, P, López-Caniego, M, Lubin, P, MacIás-Pérez, J, Maggio, G, Maino, D, Mandolesi, N, Mangilli, A, Maris, M, Martin, P, Martínez-González, E, Matarrese, S, Mauri, N, Mcewen, J, Melchiorri, A, Mennella, A, Migliaccio, M, Miville-Deschênes, M, Molinari, D, Moneti, A, Montier, L, Morgante, G, Moss, A, Naselsky, P, Natoli, P, Neveu, J, Nørgaard-Nielsen, H, Oppermann, N, Oxborrow, C, Pagano, L, Paoletti, D, Partridge, B, Perdereau, O, Perotto, L, Pettorino, V, Piacentini, F, Plaszczynski, S, Polenta, G, Rachen, J, Rebolo, R, Reinecke, M, Remazeilles, M, Renzi, A, Ristorcelli, I, Rocha, G, Rossetti, M, Roudier, G, Ruiz-Granados, B, Salvati, L, Sandri, M, Savelainen, M, Scott, D, Sirignano, C, Soler, J, Suur-Uski, A, Tauber, J, Tavagnacco, D, Tenti, M, Toffolatti, L, Tomasi, M, Tristram, M, Trombetti, T, Valiviita, J, Vansyngel, F, Van Tent, F, Vielva, P, Villa, F, Wandelt, B, Wehus, I, Zacchei, A, Zonca, A, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire d'Astrophysique de Marseille (LAM), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), PLANCK, Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Théorique d'Orsay [Orsay] (LPT), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), and Science and Technology Facilities Council (STFC)
Subjects: Magnetohydrodynamics (MHD), magnetic field [ISM], Astronomy, Cosmic microwave background, Astrophysics, Cosmic background radiation, 01 natural sciences, Polarization, Dust, extinction, ISM: magnetic fields, Methods: data analysis, astro-ph.GA, Astronomy and Astrophysics, Space and Planetary Science, Stokes parameters, INTERSTELLAR TURBULENCE, data analysis, dust, extinction, cosmic background radiation, ISM: magnetic fields [magnetohydrodynamics (MHD), polarization, methods], data analysis [Methods], 010303 astronomy & astrophysics, SCALE, Physics, [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph], Settore FIS/05, extinction, Dust, Polarization (waves), GAS, Physical Sciences, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, symbols, magnetohydrodynamics (MHD), polarization, methods: data analysis, dust, extinction, cosmic background radiation, Galactic coordinate system, MILKY-WAY, GRAIN ALIGNMENT, Astrophysics::High Energy Astrophysical Phenomena, GRADIENTS, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astronomy & Astrophysics, NO, symbols.namesake, ISM: magnetic field, Settore FIS/05 - Astronomia e Astrofisica, 0103 physical sciences, Planck, Astrophysics::Galaxy Astrophysics, Cosmic dust, dust extinction, Science & Technology, 010308 nuclear & particles physics, magnetic fields [ISM], Spectral density, LOFAR, Astronomy and Astrophysic, H I, Astrophysics - Astrophysics of Galaxies, Interstellar medium, SYNCHROTRON EMISSION, data analysi [Methods], 0201 Astronomical And Space Sciences, [PHYS.ASTR.GA]Physics [physics]/Astrophysics [astro-ph]/Galactic Astrophysics [astro-ph.GA], 13. Climate action, [SDU]Sciences of the Universe [physics], Astrophysics of Galaxies (astro-ph.GA), SKY, Methods: data analysi
Abstract: International audience; Using data from the Planck satellite, we study the statistical properties of interstellar dust polarization at high Galactic latitudes around the south pole (b < -60°). Our aim is to advance the understanding of the magnetized interstellar medium (ISM), and to provide a modelling framework of the polarized dust foreground for use in cosmic microwave background (CMB) component-separation procedures. We examine the Stokes I, Q, and U maps at 353 GHz, and particularly the statistical distribution of the polarization fraction (p) and angle (ψ), in order to characterize the ordered and turbulent components of the Galactic magnetic field (GMF) in the solar neighbourhood. The Q and U maps show patterns at large angular scales, which we relate to the mean orientation of the GMF towards Galactic coordinates (l0,b0) = (70° ± 5°,24° ± 5°). The histogram of the observed p values shows a wide dispersion up to 25%. The histogram of ψ has a standard deviation of 12° about the regular pattern expected from the ordered GMF. We build a phenomenological model that connects the distributions of p and ψ to a statistical description of the turbulent component of the GMF, assuming a uniform effective polarization fraction (p0) of dust emission. To compute the Stokes parameters, we approximate the integration along the line of sight (LOS) as a sum over a set of N independent polarization layers, in each of which the turbulent component of the GMF is obtained from Gaussian realizations of a power-law power spectrum. We are able to reproduce the observed p and ψ distributions using a p0 value of 26%, a ratio of 0.9 between the strengths of the turbulent and mean components of the GMF, and a small value of N. The mean value of p (inferred from the fit of the large-scale patterns in the Stokes maps) is 12 ± 1%. We relate the polarization layers to the density structure and to the correlation length of the GMF along the LOS. We emphasize the simplicity of our model (involving only a few parameters), which can be easily computed on the celestial sphere to produce simulated maps of dust polarization. Our work is an important step towards a model that can be used to assess the accuracy of component-separation methods in present and future CMB experiments designed to search the B mode CMB polarization from primordial gravity waves.

184. 2010 BLASTPol Observations of the Magnetic Field of the Filamentary Galactic Cloud 'Lupus I'

Author: Matthews, Tristan, Ade, P., Angilè, F. E., Benton, S. J., Chapman, N. L., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N., Gundersen, J. O., Peter Hargrave, Galitzki, N. B., Klein, J., Korotkov, A., Moncelsi, L., Mroczkowski, T., Netterfield, C., Novak, G., Nutter, D., Olmi, L., Poidevin, F., Savini, G., Scott, D., Shariff, J., Soler, J. D., Thomas, N. E., Truch, M., Tucker, C. E., Tucker, G. S., and Ward-Thompson, D.

185. BLAST-pol: The Balloon-borne Large Aperture Submillimeter Telescope Plus Polarimeter

Author: Matthews, Tristan, Abe, P. A. R., Benton, S. J., Chapin, E. L., Devlin, M. J., Fissel, L. D., Gandilo, N. N., Gundersen, J. O., Hargrave, P. C., Hughes, D. H., Klein, J., Korotkov, A. L., Macaluso, J., Moncelsi, L., Mroczkowski, T., Netterfield, C. B., Novak, G., Olmi, L., Pascale, E., Savini, G., Douglas Scott, Soler, J. D., Thomas, N. E., Truch, M. D. P., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., and Wiebe, D. V.

186. Planck intermediate results. XXX. The angular power spectrum of polarized dust emission at intermediate and high Galactic latitudes

Author: Adam, R., Ade, P. A. R., Aghanim, N., Arnaud, M., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Bartolo, N., Battaner, E., Benabed, K., Benoit-Lévy, A., Bernard, J. P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Bucher, M., Burigana, C., Butler, R. C., Calabrese, E., Cardoso, J. F., Catalano, A., Challinor, A., Chamballu, A., Chary, R. R., Chiang, H. C., Christensen, P. R., Clements, D. L., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Coulais, A., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., De Bernardis, Paolo, De Zotti, Gianfranco, Delabrouille, J., Delouis, J. M., Desert, F. X., Dickinson, C., Diego, J. M., Dolag, K., Dole, H., Donzelli, S., Dore, O., Douspis, M., Ducout, A., Dunkley, J., Dupac, X., Efstathiou, G., Elsner, F., Ensslin, T. A., Eriksen, H. K., Falgarone, E., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Frejsel, A., Galeotta, S., Galli, S., Ganga, K., Ghosh, T., Giard, M., Giraud-Héraud, Y., Gjerlow, E., González-Nuevo, Joaquin, Gorski, K. M., Gratton, S., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Hanson, D., Harrison, D. L., Helou, G., Henrot-Versillé, S., Hernández-Monteagudo, Carlos, Herranz, D., Hivon, E., Holmes, W. A., Huffenberger, K. M., Hurier, G., Jaffe, A. H., Jaffe, T. R., Jewell, J., Jones, W. C., Juvela, M., Keihanen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Knox, L., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. M., Lasenby, A., Lattanzi, M., Lawrence, C. R., Leahy, J. P., Leonardi, R., Lesgourgues, Julien, Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, M., López-Caniego, Marcos, Lubin, P. M., Macías-Pérez, J. F., Maffei, B., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martínez-González, E., Masi, S., Matarrese, S., Mazzotta, P., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Mitra, S., Miville-Deschênes, M. A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Moss, A., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Nørgaard-Nielsen, H. U., Noviello, F., Novikov, D., Novikov, I., Pagano, L., Pajot, F., Paladini, R., Paoletti, D., Partridge, B., Pasian, F., Patanchon, G., Pearson, T. J., Perdereau, O., Perotto, L., Perrotta, F., Pettorino, V., Piacentini, F., Piat, M., Pierpaoli, E., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Popa, L., Pratt, G. W., Prunet, S., Puget, J. L., Rachen, J. P., Reach, W. T., Rebolo, R., Remazeilles, M., Renault, C., Renzi, A., Ricciardi, S., Ristorcelli, I., Rocha, G., Rosset, C., Rossetti, M., Roudier, G., Rouillé-D'Orfeuil, B., Rubiño-Martín, Jose Alberto, Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Sutton, D., Suur-Uski, A. S., Sygnet, J. F., Tauber, J. A., Terenzi, L., Tomasi, M., Tristram, M., Tucci, M., Tuovinen, J., Valenziano, L., Valiviita, J., Van Tent, B., Vibert, L., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Watson, R., Wehus, I. K., White, M., White, S. D. M., Yvon, D., Zacchei, A., and Zonca, A.
Subjects: Planck, 13. Climate action, frequency: dependence, power spectrum: angular dependence, brightness, cosmic background radiation: polarization, galaxy, BICEP, 7. Clean energy, statistical, thermal
Abstract: Astronomy and astrophysics 586, A133 (2016). doi:10.1051/0004-6361/201425034, Published by EDP Sciences, Les Ulis

187. BLAST-pol: Balloon-borne Large Aperture Submillimeter Telescope for Polarimetery

Author: Thomas, Nicholas Evan, Ade, P. A. R., Angilè, F. E., Benton, S. J., Chapin, E. L., Devlin, M. J., Fissel, L. M., Gandilo, N. N., Gundersen, J. O., Hargrave, P. C., Hughes, D. H., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Mroczkowski, T., Netterfield, C. B., Novak, G., Olmi, L., Pascale, E., Savini, G., Douglas Scott, Shariff, J. A., Soler, J. D., Truch, M. D. P., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., and Wiebe, D. V.

188. Planck intermediate results. XX. Comparison of polarized thermal emission from Galactic dust with simulations of MHD turbulence

Author: Ade, P. A. R., Aghanim, N., Alves, M. I. R., Aniano, G., Armitage-Caplan, C., Arnaud, M., Arzoumanian, D., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Battaner, E., Benabed, K., Benoit-Lévy, A., Bernard, J. -P., Bersanelli, M., Bielewicz, P., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Cardoso, J.-F., Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., De Bernardis, P., De Rosa, A., de Zotti, G., Delabrouille, J., Dickinson, C., Diego, J. M., Donzelli, S., Doré, O., Douspis, M., Dupac, X., Enßlin, T. A., Eriksen, H. K., Falgarone, E., Fanciullo, L., Ferrière, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Galeotta, S., Ganga, K., Ghosh, T., Giard, M., Giraud-Héraud, Y., González-Nuevo, J., Górski, K. M., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Harrison, D. L., Helou, G., Hernández-Monteagudo, C., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hornstrup, A., Huffenberger, K. M., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Juvela, M., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. -M., Lasenby, A., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, M., López-Caniego, M., Lubin, P. M., Macías-Pérez, J. F., Maino, D., Mandolesi, N., Maris, M., Marshall, D. J., Martin, P. G., Martínez-González, E., Masi, S., Matarrese, S., Mazzotta, P., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Miville-Deschênes, M. -A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Noviello, F., Novikov, D., Novikov, I., Oxborrow, C. A., Pagano, L., Pajot, F., Paoletti, D., Pasian, F., Pelkonen, V. -M., Perdereau, O., Perotto, L., Perrotta, F., Piacentini, F., Piat, M., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Popa, L., Pratt, G. W., Prunet, S., Puget, J. -L., Rachen, J. P., Reinecke, M., Remazeilles, M., Renault, C., Ricciardi, S., Riller, T., Ristorcelli, I., Rocha, G., Rosset, C., Roudier, G., Rusholme, B., Sandri, M., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sutton, D., Suur-Uski, A. -S., Sygnet, J. -F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Zonca, A., Macias-Perez, J.F., Ade, P. A. R., Aghanim, N., Alves, M. I. R., Aniano, G., Armitage-Caplan, C., Arnaud, M., Arzoumanian, D., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Battaner, E., Benabed, K., Benoit-Lévy, A., Bernard, J. -P., Bersanelli, M., Bielewicz, P., Bond, J. R., Borrill, J., Bouchet, F. R., Boulanger, F., Bracco, A., Burigana, C., Cardoso, J.-F., Catalano, A., Chamballu, A., Chiang, H. C., Christensen, P. R., Colombi, S., Colombo, L. P. L., Combet, C., Couchot, F., Coulais, A., Crill, B. P., Curto, A., Cuttaia, F., Danese, L., Davies, R. D., Davis, R. J., De Bernardis, P., De Rosa, A., de Zotti, G., Delabrouille, J., Dickinson, C., Diego, J. M., Donzelli, S., Doré, O., Douspis, M., Dupac, X., Enßlin, T. A., Eriksen, H. K., Falgarone, E., Fanciullo, L., Ferrière, K., Finelli, F., Forni, O., Frailis, M., Fraisse, A. A., Franceschi, E., Galeotta, S., Ganga, K., Ghosh, T., Giard, M., Giraud-Héraud, Y., González-Nuevo, J., Górski, K. M., Gregorio, A., Gruppuso, A., Guillet, V., Hansen, F. K., Harrison, D. L., Helou, G., Hernández-Monteagudo, C., Hildebrandt, S. R., Hivon, E., Hobson, M., Holmes, W. A., Hornstrup, A., Huffenberger, K. M., Jaffe, A. H., Jaffe, T. R., Jones, W. C., Juvela, M., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, R., Knoche, J., Kunz, M., Kurki-Suonio, H., Lagache, G., Lamarre, J. -M., Lasenby, A., Lawrence, C. R., Leonardi, R., Levrier, F., Liguori, M., Lilje, P. B., Linden-Vørnle, M., López-Caniego, M., Lubin, P. M., Macías-Pérez, J. F., Maino, D., Mandolesi, N., Maris, M., Marshall, D. J., Martin, P. G., Martínez-González, E., Masi, S., Matarrese, S., Mazzotta, P., Melchiorri, A., Mendes, L., Mennella, A., Migliaccio, M., Miville-Deschênes, M. -A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Naselsky, P., Nati, F., Natoli, P., Netterfield, C. B., Noviello, F., Novikov, D., Novikov, I., Oxborrow, C. A., Pagano, L., Pajot, F., Paoletti, D., Pasian, F., Pelkonen, V. -M., Perdereau, O., Perotto, L., Perrotta, F., Piacentini, F., Piat, M., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Popa, L., Pratt, G. W., Prunet, S., Puget, J. -L., Rachen, J. P., Reinecke, M., Remazeilles, M., Renault, C., Ricciardi, S., Riller, T., Ristorcelli, I., Rocha, G., Rosset, C., Roudier, G., Rusholme, B., Sandri, M., Scott, D., Soler, J. D., Spencer, L. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sutton, D., Suur-Uski, A. -S., Sygnet, J. -F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Zonca, A., and Macias-Perez, J.F.
Abstract: Polarized emission observed by Planck HFI at 353 GHz towards a sample of nearby fields is presented, focusing on the statistics of polarization fractions $p$ and angles $\psi$. The polarization fractions and column densities in these nearby fields are representative of the range of values obtained over the whole sky. We find that: (i) the largest polarization fractions are reached in the most diffuse fields; (ii) the maximum polarization fraction $p_\mathrm{max}$ decreases with column density $N_\mathrm{H}$ in the more opaque fields with $N_\mathrm{H} > 10^{21}\,\mathrm{cm}^{-2}$; and (iii) the polarization fraction along a given line of sight is correlated with the local spatial coherence of the polarization angle. These observations are compared to polarized emission maps computed in simulations of anisotropic magnetohydrodynamical (MHD) turbulence in which we assume a uniform intrinsic polarization fraction of the dust grains. We find that an estimate of this parameter may be recovered from the maximum polarization fraction $p_\mathrm{max}$ in diffuse regions where the magnetic field is ordered on large scales and perpendicular to the line of sight. This emphasizes the impact of anisotropies of the magnetic field on the emerging polarization signal. The decrease of the polarization fraction with column density in nearby molecular clouds is well reproduced in the simulations, indicating that it is essentially due to the turbulent structure of the magnetic field: an accumulation of variously polarized structures along the line of sight leads to such an anti-correlation. In the simulations, polarization fractions are also found to anti-correlate with the angle dispersion function $\Delta\psi$. [abridged]

189. 2010 BLASTPol Observations of the magnetic field of the filamentary galactic cloud 'Lupus I'

Author: Matthews, Tristan, Ade, P., Angile, F. E., Benton, S. J., Chapman, N. L., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N., Gundersen, J. O., Hargrave, P., Galitzki, N. B., Klein, J., Korotkov, A., Moncelsi, L., Mroczkowski, T., Netterfield, C., Novak, G., Nutter, D., Olmi, L., Poidevin, F., Savini, G., Scott, D., Shariff, J., Soler, J. D., Thomas, N. E., Truch, M., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., Matthews, Tristan, Ade, P., Angile, F. E., Benton, S. J., Chapman, N. L., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N., Gundersen, J. O., Hargrave, P., Galitzki, N. B., Klein, J., Korotkov, A., Moncelsi, L., Mroczkowski, T., Netterfield, C., Novak, G., Nutter, D., Olmi, L., Poidevin, F., Savini, G., Scott, D., Shariff, J., Soler, J. D., Thomas, N. E., Truch, M., Tucker, C. E., Tucker, G. S., and Ward-Thompson, D.
Abstract: We present here 350 and 500 micron polarization observations of the Lupus I molecular cloud taken during the 2010 BLASTPol Antarctic flight. Lupus I is a nearby, isolated, young, and filamentary molecular cloud making it an ideal target to test magnetically regulated star formation models. In the presence of intermediate to strong magnetic fields (in comparison to turbulence), these models predict the formation of large filaments extended perpendicular to the local magnetic field direction as gas preferentially collapses along the field lines. We compare the BLASTPol polarization observations with previous optical polarimetry and find a uniform large-scale field direction from low to high density in Lupus I, consistent with magnetically regulated star formation models.

190. Thermal design and performance of the balloon-borne large aperture submillimeter telescope for polarimetry BLASTPol

Author: Soler, J. D., Ade, P. A. R., Angile, F. E., Benton, S. J., Devlin, M. J., Dober, B., Fisel, L. M., Fukui, Y., Galitzki, N., Gandilo, N. N., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Mroczkowski, A., Netterfield, C. B., Novak, G., Nutter, D., Pascale, E., Poidevin, F., Savini, G., Scott, D., Shariff, Jamil A., Thomas, N. E., Truch, M. D., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., Soler, J. D., Ade, P. A. R., Angile, F. E., Benton, S. J., Devlin, M. J., Dober, B., Fisel, L. M., Fukui, Y., Galitzki, N., Gandilo, N. N., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, L., Mroczkowski, A., Netterfield, C. B., Novak, G., Nutter, D., Pascale, E., Poidevin, F., Savini, G., Scott, D., Shariff, Jamil A., Thomas, N. E., Truch, M. D., Tucker, C. E., Tucker, G. S., and Ward-Thompson, D.
Abstract: We present the thermal model of the Balloon-borne Large-Aperture Submillimeter Telescope for Polarimetry (BLASTPol). This instrument was successfully own in two circumpolar flights from McMurdo, Antarctica in 2010 and 2012. During these two flights, BLASTPol obtained unprecedented information about the magnetic field in molecular clouds through the measurement of the polarized thermal emission of interstellar dust grains. The thermal design of the experiment addresses the stability and control of the payload necessary for this kind of measurement. We describe the thermal modeling of the payload including the sun-shielding strategy. We present the in-flight thermal performance of the instrument and compare the predictions of the model with the temperatures registered during the flight. We describe the difficulties of modeling the thermal behavior of the balloon-borne platform and establish landmarks that can be used in the design of future balloon-borne instruments.

191. Design and construction of a carbon fiber gondola for the SPIDER balloon-borne telescope

Author: Soler, J. D., Ade, P. A. R., Amiri, M., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, C., Contaldi, C. C., Crill, B. P., Dore, O. P., Farhang, M., Filippini, Jeffrey P., Fissel, L. M., Fraisse, A. A., Gambrel, A. E., Gandilo, N. N., Golwala, S., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. K., Kuo, C. -L., MacTavish, C. J., Mason, P. V., Megerian, K. G., Moncelsi, L., Morford, T., Nagy, J. M., Netterfield, C. B., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Shariff, J. A., Trangsrud, A., Tucker, C., Tucker, R. S., Turner, A. D., Weber, A. C., Wiebe, D. V., Young, E. Y., Soler, J. D., Ade, P. A. R., Amiri, M., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, C., Contaldi, C. C., Crill, B. P., Dore, O. P., Farhang, M., Filippini, Jeffrey P., Fissel, L. M., Fraisse, A. A., Gambrel, A. E., Gandilo, N. N., Golwala, S., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. K., Kuo, C. -L., MacTavish, C. J., Mason, P. V., Megerian, K. G., Moncelsi, L., Morford, T., Nagy, J. M., Netterfield, C. B., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Shariff, J. A., Trangsrud, A., Tucker, C., Tucker, R. S., Turner, A. D., Weber, A. C., Wiebe, D. V., and Young, E. Y.
Abstract: We introduce the light-weight carbon fiber and aluminum gondola designed for the Spider balloon-borne telescope. Spider is designed to measure the polarization of the Cosmic Microwave Background radiation with unprecedented sensitivity and control of systematics in search of the imprint of inflation: a period of exponential expansion in the early Universe. The requirements of this balloon-borne instrument put tight constrains on the mass budget of the payload. The Spider gondola is designed to house the experiment and guarantee its operational and structural integrity during its balloon-borne flight, while using less than 10% of the total mass of the payload. We present a construction method for the gondola based on carbon fiber reinforced polymer tubes with aluminum inserts and aluminum multi-tube joints. We describe the validation of the model through Finite Element Analysis and mechanical tests.

192. Attitude determination for balloon-borne experiments

Author: Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Gandilo, N. N., Ade, P. A. R., Amiri, M., Angilè, F. E., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Golwala, S., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., Young, E. Y., Stepp, Larry M., Gilmozzi, Roberto, Hall, Helen J., Gandilo, N. N., Ade, P. A. R., Amiri, M., Angilè, F. E., Benton, S. J., Bock, J. J., Bond, J. R., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Doré, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Golwala, S., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., and Young, E. Y.
Abstract: An attitude determination system for balloon-borne experiments is presented. The system provides pointing information in azimuth and elevation for instruments flying on stratospheric balloons over Antarctica. In-flight attitude is given by the real-time combination of readings from star cameras, a magnetometer, sun sensors, GPS, gyroscopes, tilt sensors and an elevation encoder. Post-flight attitude reconstruction is determined from star camera solutions, interpolated by the gyroscopes using an extended Kalman Filter. The multi-sensor system was employed by the Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry (BLASTPol), an experiment that measures polarized thermal emission from interstellar dust clouds. A similar system was designed for the upcoming flight of Spider, a Cosmic Microwave Background polarization experiment. The pointing requirements for these experiments are discussed, as well as the challenges in designing attitude reconstruction systems for high altitude balloon flights. In the 2010 and 2012 BLASTPol flights from McMurdo Station, Antarctica, the system demonstrated an accuracy of < 5’ rms in-flight, and < 5” rms post-flight.

193. 2010 BLASTPol Observations of the magnetic field of the filamentary galactic cloud 'Lupus I'

Author: Matthews, Tristan, Ade, P., Angile, F. E., Benton, S. J., Chapman, N. L., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N., Gundersen, J. O., Hargrave, P., Galitzki, N. B., Klein, J., Korotkov, A., Moncelsi, L., Mroczkowski, T., Netterfield, C., Novak, G., Nutter, D., Olmi, L., Poidevin, F., Savini, G., Scott, D., Shariff, J., Soler, J. D., Thomas, N. E., Truch, M., Tucker, C. E., Tucker, G. S., Ward-Thompson, D., Matthews, Tristan, Ade, P., Angile, F. E., Benton, S. J., Chapman, N. L., Devlin, M. J., Dober, B., Fissel, L. M., Fukui, Y., Gandilo, N., Gundersen, J. O., Hargrave, P., Galitzki, N. B., Klein, J., Korotkov, A., Moncelsi, L., Mroczkowski, T., Netterfield, C., Novak, G., Nutter, D., Olmi, L., Poidevin, F., Savini, G., Scott, D., Shariff, J., Soler, J. D., Thomas, N. E., Truch, M., Tucker, C. E., Tucker, G. S., and Ward-Thompson, D.
Abstract: We present here 350 and 500 micron polarization observations of the Lupus I molecular cloud taken during the 2010 BLASTPol Antarctic flight. Lupus I is a nearby, isolated, young, and filamentary molecular cloud making it an ideal target to test magnetically regulated star formation models. In the presence of intermediate to strong magnetic fields (in comparison to turbulence), these models predict the formation of large filaments extended perpendicular to the local magnetic field direction as gas preferentially collapses along the field lines. We compare the BLASTPol polarization observations with previous optical polarimetry and find a uniform large-scale field direction from low to high density in Lupus I, consistent with magnetically regulated star formation models.

194. BLASTbus electronics: general-purpose readout and control for balloon-borne experiments

Author: Benton, S. J., Ade, P. A., Amiri, M., Angile, F. E., Bock, J. J., Bond, J. R., Sryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Dore, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Ogburn IV, R. W., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., Youn, E. Y., Benton, S. J., Ade, P. A., Amiri, M., Angile, F. E., Bock, J. J., Bond, J. R., Sryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Devlin, M. J., Dober, B., Dore, O. P., Farhang, M., Filippini, J. P., Fissel, L. M., Fraisse, A. A., Fukui, Y., Galitzki, N., Gambrel, A. E., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G. C., Holmes, W. A., Hristov, V. V., Irwin, K. D., Jones, W. C., Kermish, Z. D., Klein, J., Korotkov, A. L., Kuo, C. L., MacTavish, C. J., Mason, P. V., Matthews, T. G., Megerian, K. G., Moncelsi, L., Morford, T. A., Mroczkowski, T. K., Nagy, J. M., Netterfield, C. B., Novak, G., Nutter, D., O'Brient, R., Ogburn IV, R. W., Pascale, E., Poidevin, F., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Savini, G., Scott, D., Shariff, J. A., Soler, J. D., Thomas, N. E., Trangsrud, A., Truch, M. D., Tucker, C. E., Tucker, G. S., Tucker, R. S., Turner, A. D., Ward-Thompson, D., Weber, A. C., Wiebe, D. V., and Youn, E. Y.
Abstract: We present the second generation BLASTbus electronics. The primary purposes of this system are detector readout, attitude control, and cryogenic housekeeping, for balloon-borne telescopes. Readout of neutron transmutation doped germanium (NTD-Ge) bolometers requires low noise and parallel acquisition of hundreds of analog signals. Controlling a telescope's attitude requires the capability to interface to a wide variety of sensors and motors, and to use them together in a fast, closed loop. To achieve these different goals, the BLASTbus system employs a flexible motherboard-daughterboard architecture. The programmable motherboard features a digital signal processor (DSP) and field-programmable gate array (FPGA), as well as slots for three daughterboards. The daughterboards provide the interface to the outside world, with versions for analog to digital conversion, and optoisolated digital input/output. With the versatility afforded by this design, the BLASTbus also finds uses in cryogenic, thermometry, and power systems. For accurate timing control to tie everything together, the system operates in a fully synchronous manner. BLASTbus electronics have been successfully deployed to the South Pole, and own on stratospheric balloons.

195. BLAST-pol: Balloon-borne Large Aperture Submillimeter Telescope for Polarimetery

Author: Thomas, N. E., Ade, Peter A. R., Angile, F. E., Benton, S. J., Chapin, E. L., Devlin, M. J., Fissel, L. M., Gandilo, N. N., Gundersen, J. O., Hargrave, Peter Charles, Hughes, D. H., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, Lorenzo, Mrockowski, T., Netterfield, C. B., Novak, G., Olmi, L., Pascale, Enzo, Savini, Giorgio, Scott, D., Shariff, J. A., Soler, J. D., Truch, M. D. P., Tucker, Carole Elizabeth, Tucker, G. S., Ward-Thompson, Derek, Wiebe, D. V., Thomas, N. E., Ade, Peter A. R., Angile, F. E., Benton, S. J., Chapin, E. L., Devlin, M. J., Fissel, L. M., Gandilo, N. N., Gundersen, J. O., Hargrave, Peter Charles, Hughes, D. H., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, Lorenzo, Mrockowski, T., Netterfield, C. B., Novak, G., Olmi, L., Pascale, Enzo, Savini, Giorgio, Scott, D., Shariff, J. A., Soler, J. D., Truch, M. D. P., Tucker, Carole Elizabeth, Tucker, G. S., Ward-Thompson, Derek, and Wiebe, D. V.
Abstract: BLAST-pol (Balloon-borne Large Aperture Submillimeter Telescope for Polarimetery) combines a 1.9 meter Cassegrain telescope and a submillimeter polarimeter that operates in three bands (250, 350, and 500 microns), each with 30% bandwidth. The detection system is comprised of 270 silicon-nitride micromesh bolometers distributed on three focal plane arrays with 30", 42", and 60" FWHM beam sizes, respectively. The detectors are a prototype for the SPIRE instrument used on Herschel. Polarization sensitivity is achieved by placing polarized grids on the bolometer arrays and with a rotatable Achromatic Half Wave Plate (AHWP) located in front of the arrays. The instrument operates on a balloon at an altitude of ~40km due to the high opacity of the earth’s sea level atmosphere at submillimeter wavelengths. The main scientific objective of BLAST-pol is to determine what role magnetic fields play in star formation. This is achieved by making large, high resolution, linear polarization maps of giant molecular clouds (GMCs), and their substructures. These maps can then be compared to maps created using numerical turbulence simulations to ascertain how magnetic fields affect the morphology and lifetime of these structures. The non-polarized version of BLAST has had two scientific flights and is scheduled to fly again as BLAST-pol in December 2010 from McMurdo, Antarctica.

196. Thermal architecture for the SPIDER flight cryostat

Author: Holland, Wayne S., Zmuidzinas, Jonas, Gudmundsson, J. E., Ade, Peter A. R., Amiri, M., Benton, S. J., Bihary, R., Bock, J. J., Bond, J. R., Bonetti, J. A., Bryan, S. A., Burger, B., Chiang, H. C., Contaldi, C. R., Crill, B. P., Dore, O., Farhang, M., Filippini, J., Fissel, L. M., Gandilo, N. N., Golwala, S. R., Halpern, M., Hasselfield, M., Hilton, G., Holmes, W., Hristov, V. V., Irwin, K. D., Jones, W. C., Kuo, C. L., MacTavish, C. J., Mason, P. V., Montroy, T. E., Morford, T. A., Netterfield, C. B., O'Dea, D. T., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Schenker, M. A., Shariff, J. A., Soler, J. D., Trangsrud, A., Tucker, Carole Elizabeth, Tucker, R. S., Turner, A. D., Holland, Wayne S., Zmuidzinas, Jonas, Gudmundsson, J. E., Ade, Peter A. R., Amiri, M., Benton, S. J., Bihary, R., Bock, J. J., Bond, J. R., Bonetti, J. A., Bryan, S. A., Burger, B., Chiang, H. C., Contaldi, C. R., Crill, B. P., Dore, O., Farhang, M., Filippini, J., Fissel, L. M., Gandilo, N. N., Golwala, S. R., Halpern, M., Hasselfield, M., Hilton, G., Holmes, W., Hristov, V. V., Irwin, K. D., Jones, W. C., Kuo, C. L., MacTavish, C. J., Mason, P. V., Montroy, T. E., Morford, T. A., Netterfield, C. B., O'Dea, D. T., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Schenker, M. A., Shariff, J. A., Soler, J. D., Trangsrud, A., Tucker, Carole Elizabeth, Tucker, R. S., and Turner, A. D.
Abstract: We describe the cryogenic system for SPIDER, a balloon-borne microwave polarimeter that will map 8% of the sky with degree-scale angular resolution. The system consists of a 1284 L liquid helium cryostat and a 16 L capillary-filled superfluid helium tank, which provide base operating temperatures of 4 K and 1.5 K, respectively. Closed-cycle 3He adsorption refrigerators supply sub-Kelvin cooling power to multiple focal planes, which are housed in monochromatic telescope inserts. The main helium tank is suspended inside the vacuum vessel with thermally insulating fiberglass flexures, and shielded from thermal radiation by a combination of two vapor cooled shields and multi-layer insulation. This system allows for an extremely low instrumental background and a hold time in excess of 25 days. The total mass of the cryogenic system, including cryogens, is approximately 1000 kg. This enables conventional long duration balloon flights. We will discuss the design, thermal analysis, and qualification of the cryogenic system.

197. SPIDER: a balloon-borne CMB polarimeter for large angular scales

Author: Holland, Wayne S, Zmuidzinas, Jonas, Filippini, J. P., Ade, Peter A. R., Amiri, M., Benton, S. J., Bihary, R., Bock, J. J., Bond, J. R., Bonetti, J. A., Bryan, S. A., Burger, B., Chiang, H. C., Contaldi, C. R., Crill, B. P., Dore, O., Farhang, M., Fissel, L. M., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G., Holmes, W., Hristov, V. V., Irwin, K. D., Jones, W. C., Kuo, C. L., MacTavish, C. J., Mason, P. V., Montroy, T. E., Morford, T. A., Netterfield, C. B., O'Dea, D. T., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Schenker, M. A., Shariff, J. A., Soler, J. D., Trangsrud, A., Tucker, Carole Elizabeth, Tucker, R. S., Turner, A. D., Holland, Wayne S, Zmuidzinas, Jonas, Filippini, J. P., Ade, Peter A. R., Amiri, M., Benton, S. J., Bihary, R., Bock, J. J., Bond, J. R., Bonetti, J. A., Bryan, S. A., Burger, B., Chiang, H. C., Contaldi, C. R., Crill, B. P., Dore, O., Farhang, M., Fissel, L. M., Gandilo, N. N., Golwala, S. R., Gudmundsson, J. E., Halpern, M., Hasselfield, M., Hilton, G., Holmes, W., Hristov, V. V., Irwin, K. D., Jones, W. C., Kuo, C. L., MacTavish, C. J., Mason, P. V., Montroy, T. E., Morford, T. A., Netterfield, C. B., O'Dea, D. T., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Runyan, M. C., Schenker, M. A., Shariff, J. A., Soler, J. D., Trangsrud, A., Tucker, Carole Elizabeth, Tucker, R. S., and Turner, A. D.
Abstract: We describe SPIDER, a balloon-borne instrument to map the polarization of the millimeter-wave sky with degree angular resolution. Spider consists of six monochromatic refracting telescopes, each illuminating a focal plane of large-format antenna-coupled bolometer arrays. A total of 2,624 superconducting transition-edge sensors are distributed among three observing bands centered at 90, 150, and 280 GHz. A cold half-wave plate at the aperture of each telescope modulates the polarization of incoming light to control systematics. SPIDER's first flight will be a 20-30-day Antarctic balloon campaign in December 2011. This flight will map ~8% of the sky to achieve unprecedented sensitivity to the polarization signature of the gravitational wave background predicted by inflationary cosmology. The SPIDER mission will also serve as a proving ground for these detector technologies in preparation for a future satellite mission.

198. Design and performance of the SPIDER instrument

Author: Holland, Wayne S., Zmuidzinas, Jonas, Runyan, M. C., Ade, Peter A. R., Amiri, M., Benton, S., Bihary, R., Bock, J. J., Bond, J. R., Bonetti, J. A., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Dore, O., O'Dea, D., Farhang, M., Filippini, J. P., Fissel, L., Gandilo, N., Golwala, S. R., Gudmundsson, J. E., Hasselfield, M., Halpern, M., Hilton, G., Holmes, W., Hristov, V. V., Irwin, K. D., Jones, W. C., Kuo, C. L., MacTavish, C. J., Mason, P. V., Morford, T. A., Montroy, T. E., Netterfield, C. B., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Schenker, M. A., Shariff, J., Soler, J. D., Trangsrud, A., Tucker, R. S., Tucker, Carole, Turner, A., Holland, Wayne S., Zmuidzinas, Jonas, Runyan, M. C., Ade, Peter A. R., Amiri, M., Benton, S., Bihary, R., Bock, J. J., Bond, J. R., Bonetti, J. A., Bryan, S. A., Chiang, H. C., Contaldi, C. R., Crill, B. P., Dore, O., O'Dea, D., Farhang, M., Filippini, J. P., Fissel, L., Gandilo, N., Golwala, S. R., Gudmundsson, J. E., Hasselfield, M., Halpern, M., Hilton, G., Holmes, W., Hristov, V. V., Irwin, K. D., Jones, W. C., Kuo, C. L., MacTavish, C. J., Mason, P. V., Morford, T. A., Montroy, T. E., Netterfield, C. B., Rahlin, A. S., Reintsema, C. D., Ruhl, J. E., Schenker, M. A., Shariff, J., Soler, J. D., Trangsrud, A., Tucker, R. S., Tucker, Carole, and Turner, A.
Abstract: Here we describe the design and performance of the SPIDER instrument. SPIDER is a balloon-borne cosmic microwave background polarization imager that will map part of the sky at 90, 145, and 280 GHz with subdegree resolution and high sensitivity. This paper discusses the general design principles of the instrument inserts, mechanical structures, optics, focal plane architecture, thermal architecture, and magnetic shielding of the TES sensors and SQUID multiplexer. We also describe the optical, noise, and magnetic shielding performance of the 145 GHz prototype instrument insert.

199. BLAST-pol: Balloon-borne Large Aperture Submillimeter Telescope for Polarimetery

Author: Thomas, N. E., Ade, Peter A. R., Angile, F. E., Benton, S. J., Chapin, E. L., Devlin, M. J., Fissel, L. M., Gandilo, N. N., Gundersen, J. O., Hargrave, Peter Charles, Hughes, D. H., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, Lorenzo, Mrockowski, T., Netterfield, C. B., Novak, G., Olmi, L., Pascale, Enzo, Savini, Giorgio, Scott, D., Shariff, J. A., Soler, J. D., Truch, M. D. P., Tucker, Carole Elizabeth, Tucker, G. S., Ward-Thompson, Derek, Wiebe, D. V., Thomas, N. E., Ade, Peter A. R., Angile, F. E., Benton, S. J., Chapin, E. L., Devlin, M. J., Fissel, L. M., Gandilo, N. N., Gundersen, J. O., Hargrave, Peter Charles, Hughes, D. H., Klein, J., Korotkov, A. L., Matthews, T. G., Moncelsi, Lorenzo, Mrockowski, T., Netterfield, C. B., Novak, G., Olmi, L., Pascale, Enzo, Savini, Giorgio, Scott, D., Shariff, J. A., Soler, J. D., Truch, M. D. P., Tucker, Carole Elizabeth, Tucker, G. S., Ward-Thompson, Derek, and Wiebe, D. V.
Abstract: BLAST-pol (Balloon-borne Large Aperture Submillimeter Telescope for Polarimetery) combines a 1.9 meter Cassegrain telescope and a submillimeter polarimeter that operates in three bands (250, 350, and 500 microns), each with 30% bandwidth. The detection system is comprised of 270 silicon-nitride micromesh bolometers distributed on three focal plane arrays with 30", 42", and 60" FWHM beam sizes, respectively. The detectors are a prototype for the SPIRE instrument used on Herschel. Polarization sensitivity is achieved by placing polarized grids on the bolometer arrays and with a rotatable Achromatic Half Wave Plate (AHWP) located in front of the arrays. The instrument operates on a balloon at an altitude of ~40km due to the high opacity of the earth’s sea level atmosphere at submillimeter wavelengths. The main scientific objective of BLAST-pol is to determine what role magnetic fields play in star formation. This is achieved by making large, high resolution, linear polarization maps of giant molecular clouds (GMCs), and their substructures. These maps can then be compared to maps created using numerical turbulence simulations to ascertain how magnetic fields affect the morphology and lifetime of these structures. The non-polarized version of BLAST has had two scientific flights and is scheduled to fly again as BLAST-pol in December 2010 from McMurdo, Antarctica.

200. Could bow-shaped magnetic morphologies surround filamentary molecular clouds?

Author: Tahani, M., Plume, R., Brown, J. C., Soler, J. D., and Kainulainen, J.
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