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4. Fermi LAT Observations of the Vela Pulsar

Author

Abdo, A.A., Ackermann, Markus, B. Atwood, W., Bagagli, R., Baldini, Luca, Ballet, Jean, L. Band, D., Barbiellini, Guido, G. Baring, M., Bartelt, J., Bastieri, D., M. Baughman, B., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bisello, D., D. Blandford, R., D. Bloom, E., R. Bogart, J., Bonamente, E., W. Borgland, A., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, Pascal, H. Burnett, T., A. Caliandro, G., A. Cameron, R., Camilo, F., Caraveo, P. A., M. Casandjian, J., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., C. Cheung, C., Chiang, J., Ciprini, S., Claus, R., Cognard, Ismaël, Cohen-Tanugi, J., R. Cominsky, L., Conrad, J., Corbet, R., Corucci, L., Cutini, S., S. Davis, D., DeKlotz, M., D. Dermer, C., De Angelis, A., De Palma, F., W. Digel, S., Dormody, M., Do Couto E Silva, E., S. Drell, P., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., L. Flath, D., Fleury, P., B. Focke, W., Frailis, M., C. C. Friere, P., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giannitrapani, R., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., V. Gotthelf, E., A. Grenier, I., Grondin, M.-H., E. Grove, J., Guillemot, L., Guiriec, S., Haller, G., K. Harding, A., A. Hart, P., C. Hartman, R., Hays, E., Hobbs, G., E. Hughes, R., J'Ohannesson, G., S. Johnson, A., P. Johnson, R., J. Johnson, T., N. Johnson, W., Johnston, S., Kamae, T., Kanbach, G., M. Kaspi, V., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Kiziltan, B., Klamra, W., Kn¨o Dlseder, J., Kramer, M., Kuehn, F., Kuss, M., Lande, J., Landriu, D., Latronico, L., Lee, B., Lee, S.-H., Lemoine-Goumard, M., Livingstone, M., Longo, F., Loparco, F., Lott, B., N. Lovellette, M., Lubrano, P., G. Lyne, A., M. Madejski, G., Makeev, A., N. Manchester, R., Marangelli, B., Marelli, M., N. Mazziotta, M., E. Mcenery, J., Mcglynn, S., A. Mclaughlin, M., Menon, N., Meurer, C., F. Michelson, P., Mineo, T., Mirizzi, N., Mitthumsiri, W., Mizuno, T., A. Moiseev, A., Mongelli, M., Monte, C., E. Monzani, M., Moretti, E., Morselli, A., V. Moskalenko, I., Murgia, S., Nakamori, T., L. Nolan, P., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., F. Ormes, J., Ozaki, M., Paccagnella, A., Paneque, D., H. Panetta, J., Parent, D., Pearce, M., Pepe, M., Perchiazzi, M., Pesce-Rollins, M., Pieri, L., Pinchera, M., Piron, F., Porter, T.A., Rain'O, S., Rando, R., M. Ransom, S., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., C. Reyes, L., Ritz, S., S. Rochester, L., Y. Rodriguez, A., W. Romani, R., Roth, M., Ryde, F., Sacchetti, A., F.-W. Sadrozinski, H., Saggini, N., Sanchez, D., Sander, A., M. Saz Parkinson, P., N. Segal, K., Sellerholm, A., Sgr'O, C., J. Siskind, E., Smith, David Stanley, D. Smith, P., Spandre, G., Spinelli, P., Stamatikos, M., Starck, Jean-Luc, W. Stecker, F., E. Stephens, T., S. Strickman, M., W. Strong, A., J. Suson, D., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., B. Thayer, J., G. Thayer, J., Theureau, G., J. Thompson, D., E. Thorsett, S., Tibaldo, L., Tibolla, O., F. Torres, D., Tramacere, A., Turri, M., L. Usher, T., Vigiani, L., Vilchez, N., Vitale, V., P. Waite, A., Wang, P., Watters, K., Weltevrede, P., L. Winer, B., S. Wood, K., Ylinen, T., Ziegler, M., Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Théorique et Astroparticules (LPTA), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre d'étude spatiale des rayonnements (CESR), 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), Laboratoire de physique et chimie de l'environnement (LPCE), Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées, Université d'Orléans (UO)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), and Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Astrophysics::High Energy Astrophysical Phenomena, Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

The Vela pulsar is the brightest persistent source in the GeV sky and thus is the traditional first target for new gamma-ray observatories. We report here on initial Fermi Large Area Telescope observations during verification phase pointed exposure and early sky survey scanning. We have used the Vela signal to verify Fermi timing and angular resolution. The high quality pulse profile, with some 32,400 pulsed photons at E>0.03 GeV, shows new features, including pulse structure as fine as 0.3ms and a distinct third peak, which shifts in phase with energy. We examine the high energy behavior of the pulsed emission; initial spectra suggest a phase-averaged power law index of Gamma=1.51{+0.05/-0.04} with an exponential cut-off at E_c=2.9+/-0.1 GeV. Spectral fits with generalized cut-offs of the form e^{-(E/E_c)^b} require b, 12 pp, accepted for appearance in the Astrophysical Journal; R.W.Romani & M. Razzano, contact authors

Published
2009
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5. THE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION RID G-1145-2010 RID G-6769-2011 RID A-5582-2009 RID D-9467-2011

Author

Atwood, Wb, Abdo, Aa, Ackermann, M, Althouse, W, Anderson, B, Axelsson, M, Baldini, Luca, Ballet, J, Band, Dl, Barbiellini, G, Bartelt, J, Bastieri, D, Baughman, Bm, Bechtol, K, Bederede, D, Bellardi, F, Bellazzini, R, Berenji, B, Bignami, Gf, Bisello, D, Bissaldi, E, Blandford, Rd, Bloom, Ed, Bogart, Jr, Bonamente, E, Bonnell, J, Borgland, Aw, Bouvier, A, Bregeon, J, Brez, A, Brigida, M, Bruel, P, Burnett, Th, Busetto, G, Caliandro, Ga, Cameron, Ra, Caraveo, Pa, Carius, S, Carlson, P, Casandjian, Jm, Cavazzuti, E, Ceccanti, M, Cecchi, C, Charles, E, Chekhtman, A, Cheung, Cc, Chiang, J, Chipaux, R, Cillis, An, Ciprini, S, Claus, R, Cohen Tanugi, J, Condamoor, S, Conrad, J, Corbet, R, Corucci, L, Costamante, L, Cutini, S, Davis, Ds, Decotigny, D, Deklotz, M, Dermer, Cd, De Angelis, A, Digel, Sw, Silva, Edce, Drell, Ps, Dubois, R, Dumora, D, Edmonds, Y, Fabiani, D, Farnier, C, Favuzzi, C, Flath, Dl, Fleury, P, Focke, Wb, Funk, S, Fusco, P, Gargano, F, Gasparrini, D, Gehrels, N, Gentit, Fx, Germani, S, Giebels, B, Giglietto, N, Giommi, P, Giordano, F, Glanzman, T, Godfrey, G, Grenier, Ia, Grondin, Mh, Grove, Je, Guillemot, L, Guiriec, S, Haller, G, Harding, Ak, Hart, Pa, Hays, E, Healey, Se, Hirayama, M, Hjalmarsdotter, L, Horn, R, Hughes, Re, Johannesson, G, Johansson, G, Johnson, As, Johnson, Rp, Johnson, Tj, Johnson, Wn, Kamae, T, Katagiri, H, Kataoka, J, Kavelaars, A, Kawai, N, Kelly, H, Kerr, M, Klamra, W, Knodlseder, J, Kocian, Ml, Komin, N, Kuehn, F, Kuss, M, Landriu, D, Latronico, L, Lee, B, Lee, Sh, Lemoine Goumard, M, Lionetto, Am, Longo, F, Loparco, F, Lott, B, Lovellette, Mn, Lubrano, P, Madejski, Gm, Makeev, A, Marangelli, B, Massai, MARCO MARIA, Mazziotta, Mn, Mcenery, Je, Menon, N, Meurer, C, Michelson, Pf, Minuti, M, Mirizzi, N, Mitthumsiri, W, Mizuno, T, Moiseev, Aa, Monte, C, Monzani, Me, Moretti, E, Morselli, A, Moskalenko, Iv, Murgia, S, Nakamori, T, Nishino, S, Nolan, Pl, Norris, Jp, Nuss, E, Ohno, M, Ohsugi, T, Omodei, N, Orlando, E, Ormes, Jf, Paccagnella, A, Paneque, D, Panetta, Jh, Parent, D, Pearce, M, Pepe, M, Perazzo, A, Pesce Rollins, M, Picozza, P, Pieri, L, Pinchera, M, Piron, F, Porter, Ta, Poupard, L, Raino, S, Rando, R, Rapposelli, E, Razzano, Massimiliano, Reimer, A, Reimer, O, Reposeur, T, Reyes, Lc, Ritz, S, Rochester, Ls, Rodriguez, Ay, Romani, Rw, Roth, M, Russell, Jj, Ryde, F, Sabatini, S, Sadrozinski, Hfw, Sanchez, D, Sander, A, Sapozhnikov, L, Parkinson, Pms, Scargle, Jd, Schalk, Tl, Scolieri, G, Sgro, C, Share, Gh, Shaw, M, Shimokawabe, T, Shrader, C, Sierpowska Bartosik, A, Siskind, Ej, Smith, Da, Smith, Pd, Spandre, G, Spinelli, P, Starck, Jl, Stephens, Te, Strickman, Ms, Strong, Aw, Suson, Dj, Tajima, H, Takahashi, H, Takahashi, T, Tanaka, T, Tenze, A, Tether, S, Thayer, Jb, Thayer, Jg, Thompson, Dj, Tibaldo, L, Tibolla, O, Torres, Df, Tosti, G, Tramacere, A, Turri, M, Usher, Tl, Vilchez, N, Vitale, V, Wang, P, Watters, K, Winer, Bl, Wood, Ks, Ylinen, T, and Ziegler, M.

Published
2009

7. THE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION

Author

Atwood, W. B., Abdo, A. A., Ackermann, M., Althouse, W., Anderson, B., Axelsson, M., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., Bartelt, J., Bastieri, D., Baughman, B. M., Bechtol, K., Bederede, D., Bellardi, F., Bellazzini, R., Berenji, B., Bignami, G. F., Bisello, D., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bogart, J. R., Bonamente, E., Bonnell, J., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Busetto, G., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Carius, Staffan, Carlson, P., Casandjian, J. M., Cavazzuti, E., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Chipaux, R., Cillis, A. N., Ciprini, S., Claus, R., Cohen-Tanugi, J., Condamoor, S., Conrad, J., Corbet, R., Corucci, L., Costamante, L., Cutini, S., Davis, D. S., Decotigny, D., DeKlotz, M., Dermer, C. D., De Angelis, A., Digel, S. W., Silva, Edce, Drell, P. S., Dubois, R., Dumora, D., Edmonds, Y., Fabiani, D., Farnier, C., Favuzzi, C., Flath, D. L., Fleury, P., Focke, W. B., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Gentit, F. X., Germani, S., Giebels, B., Giglietto, N., Giommi, P., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M. H., Grove, J. E., Guillemot, L., Guiriec, S., Haller, G., Harding, A. K., Hart, P. A., Hays, E., Healey, S. E., Hirayama, M., Hjalmarsdotter, L., Horn, R., Hughes, R. E., Johannesson, G., Johansson, G., Johnson, A. S., Johnson, R. P., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Klamra, W., Knodlseder, J., Kocian, M. L., Komin, N., Kuehn, F., Kuss, M., Landriu, D., Latronico, L., Lee, B., Lee, S. H., Lemoine-Goumard, M., Lionetto, A. M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Marangelli, B., Massai, M. M., Mazziotta, M. N., McEnery, J. E., Menon, N., Meurer, C., Michelson, P. F., Minuti, M., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nishino, S., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Paccagnella, A., Paneque, D., Panetta, J. H., Parent, D., Pearce, M., Pepe, M., Perazzo, A., Pesce-Rollins, M., Picozza, P., Pieri, L., Pinchera, M., Piron, F., Porter, T. A., Poupard, L., Raino, S., Rando, R., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Russell, J. J., Ryde, F., Sabatini, S., Sadrozinski, H. F. W., Sanchez, D., Sander, A., Sapozhnikov, L., Parkinson, P. M. S., Scargle, J. D., Schalk, T. L., Scolieri, G., Sgro, C., Share, G. H., Shaw, M., Shimokawabe, T., Shrader, C., Sierpowska-Bartosik, A., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Starck, J. L., Stephens, T. E., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Tether, S., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Tibolla, O., Torres, D. F., Tosti, G., Tramacere, A., Turri, M., Usher, T. L., Vilchez, N., Vitale, V., Wang, P., Watters, K., Winer, B. L., Wood, K. S., Ylinen, T., Ziegler, M., Atwood, W. B., Abdo, A. A., Ackermann, M., Althouse, W., Anderson, B., Axelsson, M., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., Bartelt, J., Bastieri, D., Baughman, B. M., Bechtol, K., Bederede, D., Bellardi, F., Bellazzini, R., Berenji, B., Bignami, G. F., Bisello, D., Bissaldi, E., Blandford, R. D., Bloom, E. D., Bogart, J. R., Bonamente, E., Bonnell, J., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Busetto, G., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Carius, Staffan, Carlson, P., Casandjian, J. M., Cavazzuti, E., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Chipaux, R., Cillis, A. N., Ciprini, S., Claus, R., Cohen-Tanugi, J., Condamoor, S., Conrad, J., Corbet, R., Corucci, L., Costamante, L., Cutini, S., Davis, D. S., Decotigny, D., DeKlotz, M., Dermer, C. D., De Angelis, A., Digel, S. W., Silva, Edce, Drell, P. S., Dubois, R., Dumora, D., Edmonds, Y., Fabiani, D., Farnier, C., Favuzzi, C., Flath, D. L., Fleury, P., Focke, W. B., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Gentit, F. X., Germani, S., Giebels, B., Giglietto, N., Giommi, P., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M. H., Grove, J. E., Guillemot, L., Guiriec, S., Haller, G., Harding, A. K., Hart, P. A., Hays, E., Healey, S. E., Hirayama, M., Hjalmarsdotter, L., Horn, R., Hughes, R. E., Johannesson, G., Johansson, G., Johnson, A. S., Johnson, R. P., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Klamra, W., Knodlseder, J., Kocian, M. L., Komin, N., Kuehn, F., Kuss, M., Landriu, D., Latronico, L., Lee, B., Lee, S. H., Lemoine-Goumard, M., Lionetto, A. M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Marangelli, B., Massai, M. M., Mazziotta, M. N., McEnery, J. E., Menon, N., Meurer, C., Michelson, P. F., Minuti, M., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nishino, S., Nolan, P. L., Norris, J. P., Nuss, E., Ohno, M., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Paccagnella, A., Paneque, D., Panetta, J. H., Parent, D., Pearce, M., Pepe, M., Perazzo, A., Pesce-Rollins, M., Picozza, P., Pieri, L., Pinchera, M., Piron, F., Porter, T. A., Poupard, L., Raino, S., Rando, R., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Russell, J. J., Ryde, F., Sabatini, S., Sadrozinski, H. F. W., Sanchez, D., Sander, A., Sapozhnikov, L., Parkinson, P. M. S., Scargle, J. D., Schalk, T. L., Scolieri, G., Sgro, C., Share, G. H., Shaw, M., Shimokawabe, T., Shrader, C., Sierpowska-Bartosik, A., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Starck, J. L., Stephens, T. E., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Tether, S., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Tibolla, O., Torres, D. F., Tosti, G., Tramacere, A., Turri, M., Usher, T. L., Vilchez, N., Vitale, V., Wang, P., Watters, K., Winer, B. L., Wood, K. S., Ylinen, T., and Ziegler, M.

Abstract

The Large Area Telescope (Fermi/LAT, hereafter LAT), the primary instrument on the Fermi Gamma-ray Space Telescope (Fermi) mission, is an imaging, wide field-of-view (FoV), high-energy gamma-ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an international collaboration with contributions from space agencies, high-energy particle physics institutes, and universities in France, Italy, Japan, Sweden, and the United States. This paper describes the LAT, its preflight expected performance, and summarizes the key science objectives that will be addressed. On-orbit performance will be presented in detail in a subsequent paper. The LAT is a pair-conversion telescope with a precision tracker and calorimeter, each consisting of a 4 x 4 array of 16 modules, a segmented anticoincidence detector that covers the tracker array, and a programmable trigger and data acquisition system. Each tracker module has a vertical stack of 18 (x, y) tracking planes, including two layers (x and y) of single-sided silicon strip detectors and high-Z converter material (tungsten) per tray. Every calorimeter module has 96 CsI(Tl) crystals, arranged in an eight-layer hodoscopic configuration with a total depth of 8.6 radiation lengths, giving both longitudinal and transverse information about the energy deposition pattern. The calorimeter's depth and segmentation enable the high-energy reach of the LAT and contribute significantly to background rejection. The aspect ratio of the tracker (height/width) is 0.4, allowing a large FoV (2.4 sr) and ensuring that most pair-conversion showers initiated in the tracker will pass into the calorimeter for energy measurement. Data obtained with the LAT are intended to (1) permit rapid notification of high-energy gamma-ray bursts and transients and facilitate monitoring of variable sources, (2) yield an extensive catalog of several thousand high-energy sources obtained from an all-sky survey, (3) measure spectr

Published
2009
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8. FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE VELA PULSAR

Author

Abdo, A. A., Ackermann, M., Atwood, W. B., Bagagli, R., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., Baring, M. G., Bartelt, J., Bastieri, D., Baughman, B. M., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bisello, D., Blandford, R. D., Bloom, E. D., Bogart, J. R., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Caliandro, G. A., Cameron, R. A., Camilo, F., Caraveo, P. A., Casandjian, J. M., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Cominsky, L. R., Conrad, J., Corbet, R., Corucci, L., Cutini, S., Davis, D. S., DeKlotz, M., Dermer, C. D., de Angelis, A., de Palma, F., Digel, S. W., Dormody, M., Silva, E. D. E., Drell, P. S., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Flath, D. L., Fleury, P., Focke, W. B., Frailis, M., Friere, P. C. C., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giannitrapani, R., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Gotthelf, E. V., Grenier, I. A., Grondin, M. H., Grove, J. E., Guillemot, L., Guiriec, S., Haller, G., Harding, A. K., Hart, P. A., Hartman, R. C., Hays, E., Hobbs, G., Hughes, R. E., Johannesson, G., Johnson, A. S., Johnson, R. P., Johnson, T. J., Johnson, W. N., Johnston, S., Kamae, T., Kanbach, G., Kaspi, V. M., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Kiziltan, B., Klamra, W., Knodlseder, J., Kramer, M., Kuehn, F., Kuss, M., Lande, J., Landriu, D., Latronico, L., Lee, B., Lee, S. H., Lemoine-Goumard, M., Livingstone, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Lyne, A. G., Madejski, G. M., Makeev, A., Manchester, R. N., Marangelli, B., Marelli, M., Mazziotta, M. N., McEnery, J. E., McGlynn, S., McLaughlin, M. A., Menon, N., Meurer, C., Michelson, P. F., Mineo, T., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Mongelli, M., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nolan, P. L., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paccagnella, A., Paneque, D., Panetta, J. H., Parent, D., Pearce, M., Pepe, M., Perchiazzi, M., Pesce-Rollins, M., Pieri, L., Pinchera, M., Piron, F., Porter, T. A., Raino, S., Rando, R., Ransom, S. M., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sacchetti, A., Sadrozinski, H. F. W., Saggini, N., Sanchez, D., Sander, A., Parkinson, P. M. S., Segal, K. N., Sellerholm, A., Sgro, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stamatikos, M., Starck, J. L., Stecker, F. W., Stephens, T. E., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Thayer, J. B., Thayer, J. G., Theureau, G., Thompson, D. J., Thorsett, S. E., Tibaldo, L., Tibolla, O., Torres, D. F., Tramacere, A., Turri, M., Usher, T. L., Vigiani, L., Vilchez, N., Vitale, V., Waite, A. P., Wang, P., Watters, K., Weltevrede, P., Winer, B. L., Wood, K. S., Ylinen, T., Ziegler, M., Abdo, A. A., Ackermann, M., Atwood, W. B., Bagagli, R., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., Baring, M. G., Bartelt, J., Bastieri, D., Baughman, B. M., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bisello, D., Blandford, R. D., Bloom, E. D., Bogart, J. R., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Caliandro, G. A., Cameron, R. A., Camilo, F., Caraveo, P. A., Casandjian, J. M., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Cominsky, L. R., Conrad, J., Corbet, R., Corucci, L., Cutini, S., Davis, D. S., DeKlotz, M., Dermer, C. D., de Angelis, A., de Palma, F., Digel, S. W., Dormody, M., Silva, E. D. E., Drell, P. S., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Flath, D. L., Fleury, P., Focke, W. B., Frailis, M., Friere, P. C. C., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giannitrapani, R., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Gotthelf, E. V., Grenier, I. A., Grondin, M. H., Grove, J. E., Guillemot, L., Guiriec, S., Haller, G., Harding, A. K., Hart, P. A., Hartman, R. C., Hays, E., Hobbs, G., Hughes, R. E., Johannesson, G., Johnson, A. S., Johnson, R. P., Johnson, T. J., Johnson, W. N., Johnston, S., Kamae, T., Kanbach, G., Kaspi, V. M., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Kiziltan, B., Klamra, W., Knodlseder, J., Kramer, M., Kuehn, F., Kuss, M., Lande, J., Landriu, D., Latronico, L., Lee, B., Lee, S. H., Lemoine-Goumard, M., Livingstone, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Lyne, A. G., Madejski, G. M., Makeev, A., Manchester, R. N., Marangelli, B., Marelli, M., Mazziotta, M. N., McEnery, J. E., McGlynn, S., McLaughlin, M. A., Menon, N., Meurer, C., Michelson, P. F., Mineo, T., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Mongelli, M., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nolan, P. L., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paccagnella, A., Paneque, D., Panetta, J. H., Parent, D., Pearce, M., Pepe, M., Perchiazzi, M., Pesce-Rollins, M., Pieri, L., Pinchera, M., Piron, F., Porter, T. A., Raino, S., Rando, R., Ransom, S. M., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sacchetti, A., Sadrozinski, H. F. W., Saggini, N., Sanchez, D., Sander, A., Parkinson, P. M. S., Segal, K. N., Sellerholm, A., Sgro, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stamatikos, M., Starck, J. L., Stecker, F. W., Stephens, T. E., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Thayer, J. B., Thayer, J. G., Theureau, G., Thompson, D. J., Thorsett, S. E., Tibaldo, L., Tibolla, O., Torres, D. F., Tramacere, A., Turri, M., Usher, T. L., Vigiani, L., Vilchez, N., Vitale, V., Waite, A. P., Wang, P., Watters, K., Weltevrede, P., Winer, B. L., Wood, K. S., Ylinen, T., and Ziegler, M.

Abstract

The Vela pulsar is the brightest persistent source in the GeV sky and thus is the traditional first target for new gamma-ray observatories. We report here on initial Fermi Large Area Telescope observations during verification phase pointed exposure and early sky survey scanning. We have used the Vela signal to verify Fermi timing and angular resolution. The high-quality pulse profile, with some 32,400 pulsed photons at E >= 0.03 GeV, shows new features, including pulse structure as fine as 0.3 ms and a distinct third peak, which shifts in phase with energy. We examine the high-energy behavior of the pulsed emission; initial spectra suggest a phase-averaged power-law index of Gamma = 1.51(-0.04)(+0.05) with an exponential cutoff at E-c = 2.9 +/- 0.1 GeV. Spectral fits with generalized cutoffs of the form e(-(E/Ec)b) require b <= 1, which is inconsistent with magnetic pair attenuation, and thus favor outer-magnetosphere emission models. Finally, we report on upper limits to any unpulsed component, as might be associated with a surrounding pulsar wind nebula.

Published
2009
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9. The large area telescope on the Fermi Gamma-ray space telescope mission

Author

Atwood, W., Abdo, A., Ackermann, M., Althouse, W., Anderson, B., Axelsson, M., Baldini, L., Ballet, J., Band, D., Barbiellini, G., Bartelt, J., Bastieri, D., Baughman, B., Bechtol, K., Bederede, D., Bellardi, F., Bellazzini, R., Berenji, B., Bignami, G., Bisello, D., Bissaldi, E., Blandford, R., Bloom, E., Bogart, J., Bonamente, E., Bonnell, J., Borgland, A., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T., Busetto, G., Caliandro, G., Cameron, R., Caraveo, P., Carius, S., Carlson, P., Casandjian, J., Cavazzuti, E., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C., Chiang, J., Cillis, A., Ciprini, S., Claus, R., Cohen-Tanugi, J., Condamoor, S., Conrad, J., Corbet, R., Corucci, L., Costamante, L., Cutini, S., Davis, D., Decotigny, D., DeKlotz, M., Dermer, C., de Angelis, A., Digel, S., Do Couto e Silva, E., Drell, P., Dubois, R., Dumora, D., Edmonds, Y., Fabiani, D., Farnier, C., Favuzzi, C., Flath, D., Fleury, P., Focke, W., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Gentit, F., Germani, S., Giebels, B., Giglietto, N., Giommi, P., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I., Grondin, M., Grove, J., Guillemot, L., Guiriec, S., Haller, G., Harding, A., Hart, P., Hays, E., Healey, S., Hirayama, M., Hjalmarsdotter, L., Horn, R., Hughes, R., Johannesson, G., Johansson, G., Johnson, A., Johnson, R., Johnson, T., Johnson, W., Kamae, T., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Klamra, W., Knodlseder, J., Kocian, M., Komin, N., Kuehn, F., Kuss, M., Landriu, D., Latronico, L., Lee, B., Lee, S., Lemoine-Goumard, M., Lionetto, A., Longo, F., Loparco, F., Lott, B., Lovellette, M., Lubrano, P., Madejski, G., Makeev, A., Marangelli, B., Massai, M., Mazziotta, M., McEnery, J., Menon, N., Meurer, C., Michelson, P., Minuti, M., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A., Monte, C., Monzani, M., Moretti, E., Morselli, A., Moskalenko, I., Murgia, S., Nakamori, T., Nishino, S., Nolan, P., Norris, J., Nuss, E., Ohno, M., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J., Paccagnella, A., Paneque, D., Panetta, J., Parent, D., Pearce, M., Pepe, M., Perazzo, A., Pesce-Rollins, M., Picozza, P., Pieri, L., Pinchera, M., Piron, F., Porter, T., Poupard, L., Raino, S., Rando, R., Rapposelli, E., Reimer, A., Reimer, O., Reposeur, T., Reyes, L., Ritz, S., Rochester, L., Rodriguez, A., Romani, R., Roth, M., Russell, J., Ryde, F., Sabatini, S., Sadrozinski, H., Sanchez, D., Sander, A., Sapozhnikov, L., Saz Parkinson, P., Scargle, J., Schalk, T., Scolieri, G., Sgro, C., Share, G., Shaw, M., Shimokawabe, T., Shrader, C., Sierpowska-Bartosik, A., Siskind, E., Smith, D., Spandre, G., Spinelli, P., Starck, J., Stephens, T., Strickman, M., Strong, A., Suson, D., Tajima, H., Takahashi, H., Tanaka, H., Tenze, A., Tether, S., Thayer, J., Thompson, D., Tibaldo, L., Tibolla, Omar, Torres, D., Tosti, G., Tramacere, A., Turri, M., Usher, T., Vilchez, N., Vitale, V., Wang, P., Watters, K., Winer, B., Wood, K., Ylinen, T., Ziegler, M., Atwood, W., Abdo, A., Ackermann, M., Althouse, W., Anderson, B., Axelsson, M., Baldini, L., Ballet, J., Band, D., Barbiellini, G., Bartelt, J., Bastieri, D., Baughman, B., Bechtol, K., Bederede, D., Bellardi, F., Bellazzini, R., Berenji, B., Bignami, G., Bisello, D., Bissaldi, E., Blandford, R., Bloom, E., Bogart, J., Bonamente, E., Bonnell, J., Borgland, A., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T., Busetto, G., Caliandro, G., Cameron, R., Caraveo, P., Carius, S., Carlson, P., Casandjian, J., Cavazzuti, E., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C., Chiang, J., Cillis, A., Ciprini, S., Claus, R., Cohen-Tanugi, J., Condamoor, S., Conrad, J., Corbet, R., Corucci, L., Costamante, L., Cutini, S., Davis, D., Decotigny, D., DeKlotz, M., Dermer, C., de Angelis, A., Digel, S., Do Couto e Silva, E., Drell, P., Dubois, R., Dumora, D., Edmonds, Y., Fabiani, D., Farnier, C., Favuzzi, C., Flath, D., Fleury, P., Focke, W., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Gentit, F., Germani, S., Giebels, B., Giglietto, N., Giommi, P., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I., Grondin, M., Grove, J., Guillemot, L., Guiriec, S., Haller, G., Harding, A., Hart, P., Hays, E., Healey, S., Hirayama, M., Hjalmarsdotter, L., Horn, R., Hughes, R., Johannesson, G., Johansson, G., Johnson, A., Johnson, R., Johnson, T., Johnson, W., Kamae, T., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Klamra, W., Knodlseder, J., Kocian, M., Komin, N., Kuehn, F., Kuss, M., Landriu, D., Latronico, L., Lee, B., Lee, S., Lemoine-Goumard, M., Lionetto, A., Longo, F., Loparco, F., Lott, B., Lovellette, M., Lubrano, P., Madejski, G., Makeev, A., Marangelli, B., Massai, M., Mazziotta, M., McEnery, J., Menon, N., Meurer, C., Michelson, P., Minuti, M., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A., Monte, C., Monzani, M., Moretti, E., Morselli, A., Moskalenko, I., Murgia, S., Nakamori, T., Nishino, S., Nolan, P., Norris, J., Nuss, E., Ohno, M., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J., Paccagnella, A., Paneque, D., Panetta, J., Parent, D., Pearce, M., Pepe, M., Perazzo, A., Pesce-Rollins, M., Picozza, P., Pieri, L., Pinchera, M., Piron, F., Porter, T., Poupard, L., Raino, S., Rando, R., Rapposelli, E., Reimer, A., Reimer, O., Reposeur, T., Reyes, L., Ritz, S., Rochester, L., Rodriguez, A., Romani, R., Roth, M., Russell, J., Ryde, F., Sabatini, S., Sadrozinski, H., Sanchez, D., Sander, A., Sapozhnikov, L., Saz Parkinson, P., Scargle, J., Schalk, T., Scolieri, G., Sgro, C., Share, G., Shaw, M., Shimokawabe, T., Shrader, C., Sierpowska-Bartosik, A., Siskind, E., Smith, D., Spandre, G., Spinelli, P., Starck, J., Stephens, T., Strickman, M., Strong, A., Suson, D., Tajima, H., Takahashi, H., Tanaka, H., Tenze, A., Tether, S., Thayer, J., Thompson, D., Tibaldo, L., Tibolla, Omar, Torres, D., Tosti, G., Tramacere, A., Turri, M., Usher, T., Vilchez, N., Vitale, V., Wang, P., Watters, K., Winer, B., Wood, K., Ylinen, T., and Ziegler, M.

Abstract

The Large Area Telescope (Fermi/LAT, hereafter LAT), the primary instrument on the Fermi Gamma-ray Space Telescope (Fermi) mission, is an imaging, wide field-of-view (FoV), high-energy gamma-ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an international collaboration with contributions from space agencies, high-energy particle physics institutes, and universities in France, Italy, Japan, Sweden, and the United States. This paper describes the LAT, its preflight expected performance, and summarizes the key science objectives that will be addressed. On-orbit performance will be presented in detail in a subsequent paper. The LAT is a pair-conversion telescope with a precision tracker and calorimeter, each consisting of a 4 × 4 array of 16 modules, a segmented anticoincidence detector that covers the tracker array, and a programmable trigger and data acquisition system. Each tracker module has a vertical stack of 18 (x, y) tracking planes, including two layers (x and y) of single-sided silicon strip detectors and high-Z converter material (tungsten) per tray. Every calorimeter module has 96 CsI(Tl) crystals, arranged in an eight-layer hodoscopic configuration with a total depth of 8.6 radiation lengths, giving both longitudinal and transverse information about the energy deposition pattern. The calorimeter's depth and segmentation enable the high-energy reach of the LAT and contribute significantly to background rejection. The aspect ratio of the tracker (height/width) is 0.4, allowing a large FoV (2.4 sr) and ensuring that most pair-conversion showers initiated in the tracker will pass into the calorimeter for energy measurement. Data obtained with the LAT are intended to (1) permit rapid notification of high-energy gamma-ray bursts and transients and facilitate monitoring of variable sources, (2) yield an extensive catalog of several thousand high-energy sources obtained from an all-sky survey, (3) measure spectr

Published
2009

10. Fermi Large Area Telescope Observations of the Vela Pulsar

Author

Abdo, A., Ackermann, M., Atwood, W., Bagagli, R., Baldini, L., Ballet, J., Band, D., Barbiellini, G., Baring, M., Bartelt, J., Bastieri, D., Baughman, B., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bisello, D., Blandford, R., Bloom, E., Bogart, J., Bonamente, E., Borgland, A., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T., Caliandro, G., Cameron, R., Camilo, F., Caraveo, P., Casandjian, J., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Cominsky, L., Conrad, J., Corbet, R., Corucci, L., Cutini, S., Davis, D., DeKlotz, M., Dermer, C., de Angelis, A., de Palma, F., Digel, S., Dormody, M., Silva, E., Drell, P., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Flath, D., Fleury, P., Focke, W., Frailis, M., Friere, P., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giannitrapani, R., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Gotthelf, E., Grenier, I., Grondin, M., Grove, J., Guillemot, L., Guiriec, S., Haller, G., Harding, A., Hart, P., Hartman, R., Hays, E., Hobbs, G., Hughes, R., Johannesson, G., Johnson, A., Johnson, R., Johnson, T., Johnson, W., johnston, S., Kamae, T., Kanbach, G., Kaspi, V., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Kízíltan, B., Klamra, W., Knödlseder, J., Kramer, M., Kuehn, F., Kuss, M., Lande, J., Landriu, D., Latronico, L., Lee, B., Lee, S., Lemoine-Goumard, M., Livingstone, M., Longo, F., Loparco, F., Lott, B., Lovellette, M., Lubrano, P., Lyne, A., Madejski, G., Makeev, A., Manchester, R., Marangelli, B., Marelli, M., Mazziotta, M., McEnery, J., McGlynn, S., McLaughlin, M., Menon, N., Meurer, C., Michelson, P., Mineo, T., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A., Mongelli, M., Monte, C., Monzani, M., Moretti, E., Morselli, A., Moskalenko, I., Murgia, S., Nakamori, T., Nolan, P., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J., Ozaki, M., Paccagnella, A., Paneque, D., Panetta, J., Parent, D., Pearce, M., Pepe, M., Perchiazzi, M., Pesce-Rollins, M., Pieri, L., Pinchera, M., Piron, F., Porter, T., Raino, S., Rando, R., Ransom, S., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L., Ritz, S., Rochester, L., Rodriguez, A., Romani, R., Roth, M., Ryde, F., Sacchetti, A., Sadrozinski, H., Saggini, N., Sanchez, D., Sander, A., Saz Parkinson, P., Segal, K., Sellerholm, A., Sgro, C., Siskind, E., Smith, D., Smith, P., Spandre, G., Spinelli, P., Stamatikos, M., Starck, J., Stecker, F., Stephens, T., Strickman, M., Strong, A., Suson, D., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Thayer, J., Theureau, G., Thompson, D., Thorsett, S., Tibaldo, L., Tibolla, Omar, Torres, D., Tramacere, A., Turri, M., Usher, T., Vigiani, L., Vilchez, N., Vitale, V., Waite, A., Wang, P., Watters, K., Weltevrede, P., Winer, B., Wood, K., Ylinen, T., Ziegler, M., Abdo, A., Ackermann, M., Atwood, W., Bagagli, R., Baldini, L., Ballet, J., Band, D., Barbiellini, G., Baring, M., Bartelt, J., Bastieri, D., Baughman, B., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bisello, D., Blandford, R., Bloom, E., Bogart, J., Bonamente, E., Borgland, A., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T., Caliandro, G., Cameron, R., Camilo, F., Caraveo, P., Casandjian, J., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Cominsky, L., Conrad, J., Corbet, R., Corucci, L., Cutini, S., Davis, D., DeKlotz, M., Dermer, C., de Angelis, A., de Palma, F., Digel, S., Dormody, M., Silva, E., Drell, P., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Flath, D., Fleury, P., Focke, W., Frailis, M., Friere, P., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giannitrapani, R., Giebels, B., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Gotthelf, E., Grenier, I., Grondin, M., Grove, J., Guillemot, L., Guiriec, S., Haller, G., Harding, A., Hart, P., Hartman, R., Hays, E., Hobbs, G., Hughes, R., Johannesson, G., Johnson, A., Johnson, R., Johnson, T., Johnson, W., johnston, S., Kamae, T., Kanbach, G., Kaspi, V., Katagiri, H., Kataoka, J., Kavelaars, A., Kawai, N., Kelly, H., Kerr, M., Kízíltan, B., Klamra, W., Knödlseder, J., Kramer, M., Kuehn, F., Kuss, M., Lande, J., Landriu, D., Latronico, L., Lee, B., Lee, S., Lemoine-Goumard, M., Livingstone, M., Longo, F., Loparco, F., Lott, B., Lovellette, M., Lubrano, P., Lyne, A., Madejski, G., Makeev, A., Manchester, R., Marangelli, B., Marelli, M., Mazziotta, M., McEnery, J., McGlynn, S., McLaughlin, M., Menon, N., Meurer, C., Michelson, P., Mineo, T., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A., Mongelli, M., Monte, C., Monzani, M., Moretti, E., Morselli, A., Moskalenko, I., Murgia, S., Nakamori, T., Nolan, P., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J., Ozaki, M., Paccagnella, A., Paneque, D., Panetta, J., Parent, D., Pearce, M., Pepe, M., Perchiazzi, M., Pesce-Rollins, M., Pieri, L., Pinchera, M., Piron, F., Porter, T., Raino, S., Rando, R., Ransom, S., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L., Ritz, S., Rochester, L., Rodriguez, A., Romani, R., Roth, M., Ryde, F., Sacchetti, A., Sadrozinski, H., Saggini, N., Sanchez, D., Sander, A., Saz Parkinson, P., Segal, K., Sellerholm, A., Sgro, C., Siskind, E., Smith, D., Smith, P., Spandre, G., Spinelli, P., Stamatikos, M., Starck, J., Stecker, F., Stephens, T., Strickman, M., Strong, A., Suson, D., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Thayer, J., Theureau, G., Thompson, D., Thorsett, S., Tibaldo, L., Tibolla, Omar, Torres, D., Tramacere, A., Turri, M., Usher, T., Vigiani, L., Vilchez, N., Vitale, V., Waite, A., Wang, P., Watters, K., Weltevrede, P., Winer, B., Wood, K., Ylinen, T., and Ziegler, M.

Abstract

The Vela pulsar is the brightest persistent source in the GeV sky and thus is the traditional first target for new gamma-ray observatories. We report here on initial Fermi Large Area Telescope observations during verification phase pointed exposure and early sky survey scanning. We have used the Vela signal to verify Fermi timing and angular resolution. The high-quality pulse profile, with some 32,400 pulsed photons at E >= 0.03 GeV, shows new features, including pulse structure as fine as 0.3 ms and a distinct third peak, which shifts in phase with energy. We examine the high-energy behavior of the pulsed emission; initial spectra suggest a phase-averaged power-law index of Gamma = 1.51+0.05 -0.04 with an exponential cutoff at Ec = 2.9 ± 0.1 GeV. Spectral fits with generalized cutoffs of the form e^{-(E/E_c)^b} require b <= 1, which is inconsistent with magnetic pair attenuation, and thus favor outer-magnetosphere emission models. Finally, we report on upper limits to any unpulsed component, as might be associated with a surrounding pulsar wind nebula.

Published
2009

12. THE LARGE AREA TELESCOPE ON THEFERMI GAMMA-RAY SPACE TELESCOPEMISSION

Author

Atwood, W. B., primary, Abdo, A. A., additional, Ackermann, M., additional, Althouse, W., additional, Anderson, B., additional, Axelsson, M., additional, Baldini, L., additional, Ballet, J., additional, Band, D. L., additional, Barbiellini, G., additional, Bartelt, J., additional, Bastieri, D., additional, Baughman, B. M., additional, Bechtol, K., additional, Bédérède, D., additional, Bellardi, F., additional, Bellazzini, R., additional, Berenji, B., additional, Bignami, G. F., additional, Bisello, D., additional, Bissaldi, E., additional, Blandford, R. D., additional, Bloom, E. D., additional, Bogart, J. R., additional, Bonamente, E., additional, Bonnell, J., additional, Borgland, A. W., additional, Bouvier, A., additional, Bregeon, J., additional, Brez, A., additional, Brigida, M., additional, Bruel, P., additional, Burnett, T. H., additional, Busetto, G., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Caraveo, P. A., additional, Carius, S., additional, Carlson, P., additional, Casandjian, J. M., additional, Cavazzuti, E., additional, Ceccanti, M., additional, Cecchi, C., additional, Charles, E., additional, Chekhtman, A., additional, Cheung, C. C., additional, Chiang, J., additional, Chipaux, R., additional, Cillis, A. N., additional, Ciprini, S., additional, Claus, R., additional, Cohen-Tanugi, J., additional, Condamoor, S., additional, Conrad, J., additional, Corbet, R., additional, Corucci, L., additional, Costamante, L., additional, Cutini, S., additional, Davis, D. S., additional, Decotigny, D., additional, DeKlotz, M., additional, Dermer, C. D., additional, de Angelis, A., additional, Digel, S. W., additional, do Couto e Silva, E., additional, Drell, P. S., additional, Dubois, R., additional, Dumora, D., additional, Edmonds, Y., additional, Fabiani, D., additional, Farnier, C., additional, Favuzzi, C., additional, Flath, D. L., additional, Fleury, P., additional, Focke, W. B., additional, Funk, S., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Gehrels, N., additional, Gentit, F.-X., additional, Germani, S., additional, Giebels, B., additional, Giglietto, N., additional, Giommi, P., additional, Giordano, F., additional, Glanzman, T., additional, Godfrey, G., additional, Grenier, I. A., additional, Grondin, M.-H., additional, Grove, J. E., additional, Guillemot, L., additional, Guiriec, S., additional, Haller, G., additional, Harding, A. K., additional, Hart, P. A., additional, Hays, E., additional, Healey, S. E., additional, Hirayama, M., additional, Hjalmarsdotter, L., additional, Horn, R., additional, Hughes, R. E., additional, Jóhannesson, G., additional, Johansson, G., additional, Johnson, A. S., additional, Johnson, R. P., additional, Johnson, T. J., additional, Johnson, W. N., additional, Kamae, T., additional, Katagiri, H., additional, Kataoka, J., additional, Kavelaars, A., additional, Kawai, N., additional, Kelly, H., additional, Kerr, M., additional, Klamra, W., additional, Knödlseder, J., additional, Kocian, M. L., additional, Komin, N., additional, Kuehn, F., additional, Kuss, M., additional, Landriu, D., additional, Latronico, L., additional, Lee, B., additional, Lee, S.-H., additional, Lemoine-Goumard, M., additional, Lionetto, A. M., additional, Longo, F., additional, Loparco, F., additional, Lott, B., additional, Lovellette, M. N., additional, Lubrano, P., additional, Madejski, G. M., additional, Makeev, A., additional, Marangelli, B., additional, Massai, M. M., additional, Mazziotta, M. N., additional, McEnery, J. E., additional, Menon, N., additional, Meurer, C., additional, Michelson, P. F., additional, Minuti, M., additional, Mirizzi, N., additional, Mitthumsiri, W., additional, Mizuno, T., additional, Moiseev, A. A., additional, Monte, C., additional, Monzani, M. E., additional, Moretti, E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Nakamori, T., additional, Nishino, S., additional, Nolan, P. L., additional, Norris, J. P., additional, Nuss, E., additional, Ohno, M., additional, Ohsugi, T., additional, Omodei, N., additional, Orlando, E., additional, Ormes, J. F., additional, Paccagnella, A., additional, Paneque, D., additional, Panetta, J. H., additional, Parent, D., additional, Pearce, M., additional, Pepe, M., additional, Perazzo, A., additional, Pesce-Rollins, M., additional, Picozza, P., additional, Pieri, L., additional, Pinchera, M., additional, Piron, F., additional, Porter, T. A., additional, Poupard, L., additional, Rainò, S., additional, Rando, R., additional, Rapposelli, E., additional, Razzano, M., additional, Reimer, A., additional, Reimer, O., additional, Reposeur, T., additional, Reyes, L. C., additional, Ritz, S., additional, Rochester, L. S., additional, Rodriguez, A. Y., additional, Romani, R. W., additional, Roth, M., additional, Russell, J. J., additional, Ryde, F., additional, Sabatini, S., additional, Sadrozinski, H. F.-W., additional, Sanchez, D., additional, Sander, A., additional, Sapozhnikov, L., additional, Parkinson, P. M. Saz, additional, Scargle, J. D., additional, Schalk, T. L., additional, Scolieri, G., additional, Sgrò, C., additional, Share, G. H., additional, Shaw, M., additional, Shimokawabe, T., additional, Shrader, C., additional, Sierpowska-Bartosik, A., additional, Siskind, E. J., additional, Smith, D. A., additional, Smith, P. D., additional, Spandre, G., additional, Spinelli, P., additional, Starck, J.-L., additional, Stephens, T. E., additional, Strickman, M. S., additional, Strong, A. W., additional, Suson, D. J., additional, Tajima, H., additional, Takahashi, H., additional, Takahashi, T., additional, Tanaka, T., additional, Tenze, A., additional, Tether, S., additional, Thayer, J. B., additional, Thayer, J. G., additional, Thompson, D. J., additional, Tibaldo, L., additional, Tibolla, O., additional, Torres, D. F., additional, Tosti, G., additional, Tramacere, A., additional, Turri, M., additional, Usher, T. L., additional, Vilchez, N., additional, Vitale, V., additional, Wang, P., additional, Watters, K., additional, Winer, B. L., additional, Wood, K. S., additional, Ylinen, T., additional, and Ziegler, M., additional

Published
2009
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13. FERMILARGE AREA TELESCOPE OBSERVATIONS OF THE VELA PULSAR

Author

Abdo, A. A., primary, Ackermann, M., additional, Atwood, W. B., additional, Bagagli, R., additional, Baldini, L., additional, Ballet, J., additional, Band, D. L., additional, Barbiellini, G., additional, Baring, M. G., additional, Bartelt, J., additional, Bastieri, D., additional, Baughman, B. M., additional, Bechtol, K., additional, Bellardi, F., additional, Bellazzini, R., additional, Berenji, B., additional, Bisello, D., additional, Blandford, R. D., additional, Bloom, E. D., additional, Bogart, J. R., additional, Bonamente, E., additional, Borgland, A. W., additional, Bouvier, A., additional, Bregeon, J., additional, Brez, A., additional, Brigida, M., additional, Bruel, P., additional, Burnett, T. H., additional, Caliandro, G. A., additional, Cameron, R. A., additional, Camilo, F., additional, Caraveo, P. A., additional, Casandjian, J. M., additional, Ceccanti, M., additional, Cecchi, C., additional, Charles, E., additional, Chekhtman, A., additional, Cheung, C. C., additional, Chiang, J., additional, Ciprini, S., additional, Claus, R., additional, Cognard, I., additional, Cohen-Tanugi, J., additional, Cominsky, L. R., additional, Conrad, J., additional, Corbet, R., additional, Corucci, L., additional, Cutini, S., additional, Davis, D. S., additional, DeKlotz, M., additional, Dermer, C. D., additional, de Angelis, A., additional, de Palma, F., additional, Digel, S. W., additional, Dormody, M., additional, Silva, E. do Couto e, additional, Drell, P. S., additional, Dubois, R., additional, Dumora, D., additional, Espinoza, C., additional, Farnier, C., additional, Favuzzi, C., additional, Flath, D. L., additional, Fleury, P., additional, Focke, W. B., additional, Frailis, M., additional, Friere, P. C. C., additional, Fukazawa, Y., additional, Funk, S., additional, Fusco, P., additional, Gargano, F., additional, Gasparrini, D., additional, Gehrels, N., additional, Germani, S., additional, Giannitrapani, R., additional, Giebels, B., additional, Giglietto, N., additional, Giordano, F., additional, Glanzman, T., additional, Godfrey, G., additional, Gotthelf, E. V., additional, Grenier, I. A., additional, Grondin, M.-H., additional, Grove, J. E., additional, Guillemot, L., additional, Guiriec, S., additional, Haller, G., additional, Harding, A. K., additional, Hart, P. A., additional, Hartman, R. C., additional, Hays, E., additional, Hobbs, G., additional, Hughes, R. E., additional, Jóhannesson, G., additional, Johnson, A. S., additional, Johnson, R. P., additional, Johnson, T. J., additional, Johnson, W. N., additional, Johnston, S., additional, Kamae, T., additional, Kanbach, G., additional, Kaspi, V. M., additional, Katagiri, H., additional, Kataoka, J., additional, Kavelaars, A., additional, Kawai, N., additional, Kelly, H., additional, Kerr, M., additional, Kiziltan, B., additional, Klamra, W., additional, Knödlseder, J., additional, Kramer, M., additional, Kuehn, F., additional, Kuss, M., additional, Lande, J., additional, Landriu, D., additional, Latronico, L., additional, Lee, B., additional, Lee, S.-H., additional, Lemoine-Goumard, M., additional, Livingstone, M., additional, Longo, F., additional, Loparco, F., additional, Lott, B., additional, Lovellette, M. N., additional, Lubrano, P., additional, Lyne, A. G., additional, Madejski, G. M., additional, Makeev, A., additional, Manchester, R. N., additional, Marangelli, B., additional, Marelli, M., additional, Mazziotta, M. N., additional, McEnery, J. E., additional, McGlynn, S., additional, McLaughlin, M. A., additional, Menon, N., additional, Meurer, C., additional, Michelson, P. F., additional, Mineo, T., additional, Mirizzi, N., additional, Mitthumsiri, W., additional, Mizuno, T., additional, Moiseev, A. A., additional, Mongelli, M., additional, Monte, C., additional, Monzani, M. E., additional, Moretti, E., additional, Morselli, A., additional, Moskalenko, I. V., additional, Murgia, S., additional, Nakamori, T., additional, Nolan, P. L., additional, Noutsos, A., additional, Nuss, E., additional, Ohsugi, T., additional, Omodei, N., additional, Orlando, E., additional, Ormes, J. F., additional, Ozaki, M., additional, Paccagnella, A., additional, Paneque, D., additional, Panetta, J. H., additional, Parent, D., additional, Pearce, M., additional, Pepe, M., additional, Perchiazzi, M., additional, Pesce-Rollins, M., additional, Pieri, L., additional, Pinchera, M., additional, Piron, F., additional, Porter, T. A., additional, Rainò, S., additional, Rando, R., additional, Ransom, S. M., additional, Rapposelli, E., additional, Razzano, M., additional, Reimer, A., additional, Reimer, O., additional, Reposeur, T., additional, Reyes, L. C., additional, Ritz, S., additional, Rochester, L. S., additional, Rodriguez, A. Y., additional, Romani, R. W., additional, Roth, M., additional, Ryde, F., additional, Sacchetti, A., additional, Sadrozinski, H. F.-W., additional, Saggini, N., additional, Sanchez, D., additional, Sander, A., additional, Parkinson, P. M. Saz, additional, Segal, K. N., additional, Sellerholm, A., additional, Sgrò, C., additional, Siskind, E. J., additional, Smith, D. A., additional, Smith, P. D., additional, Spandre, G., additional, Spinelli, P., additional, Stamatikos, M., additional, Starck, J.-L., additional, Stecker, F. W., additional, Stephens, T. E., additional, Strickman, M. S., additional, Strong, A. W., additional, Suson, D. J., additional, Tajima, H., additional, Takahashi, H., additional, Takahashi, T., additional, Tanaka, T., additional, Tenze, A., additional, Thayer, J. B., additional, Thayer, J. G., additional, Theureau, G., additional, Thompson, D. J., additional, Thorsett, S. E., additional, Tibaldo, L., additional, Tibolla, O., additional, Torres, D. F., additional, Tramacere, A., additional, Turri, M., additional, Usher, T. L., additional, Vigiani, L., additional, Vilchez, N., additional, Vitale, V., additional, Waite, A. P., additional, Wang, P., additional, Watters, K., additional, Weltevrede, P., additional, Winer, B. L., additional, Wood, K. S., additional, Ylinen, T., additional, and Ziegler, M., additional

Published
2009
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19. Fermi Large Area Telescope Observations Of The Vela Pulsar

Author

A. A. Abdo, M. Ackermann, W. B. Atwood, R. Bagagli, L. Baldini, J. Ballet, D. L. Band, G. Barbiellini, M. G. Baring, J. Bartelt, D. Bastieri, B. M. Baughman, K. Bechtol, F. Bellardi, R. Bellazzini, B. Berenji, D. Bisello, R. D. Blandford, E. D. Bloom, J. R. Bogart, E. Bonamente, A. W. Borgland, A. Bouvier, J. Bregeon, A. Brez, M. Brigida, P. Bruel, T. H. Burnett, G. A. Caliandro, R. A. Cameron, F. Camilo, P. A. Caraveo, J. M. Casandjian, M. Ceccanti, C. Cecchi, E. Charles, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, I. Cognard, J. Cohen-Tanugi, L. R. Cominsky, J. Conrad, R. Corbet, L. Corucci, S. Cutini, D. S. Davis, M. DeKlotz, C. D. Dermer, A. de Angelis, F. de Palma, S. W. Digel, M. Dormody, E. do Couto e Silva, P. S. Drell, R. Dubois, D. Dumora, C. Espinoza, C. Farnier, C. Favuzzi, D. L. Flath, P. Fleury, W. B. Focke, M. Frailis, P. C. C. Friere, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, N. Gehrels, S. Germani, R. Giannitrapani, B. Giebels, N. Giglietto, F. Giordano, T. Glanzman, G. Godfrey, E. V. Gotthelf, I. A. Grenier, M.-H. Grondin, J. E. Grove, L. Guillemot, S. Guiriec, G. Haller, A. K. Harding, P. A. Hart, R. C. Hartman, E. Hays, G. Hobbs, R. E. Hughes, G. Jóhannesson, A. S. Johnson, R. P. Johnson, T. J. Johnson, W. N. Johnson, S. Johnston, T. Kamae, G. Kanbach, V. M. Kaspi, H. Katagiri, J. Kataoka, A. Kavelaars, N. Kawai, H. Kelly, M. Kerr, B. Kiziltan, W. Klamra, J. Knödlseder, M. Kramer, F. Kuehn, M. Kuss, J. Lande, D. Landriu, L. Latronico, B. Lee, S.-H. Lee, M. Lemoine-Goumard, M. Livingstone, F. Longo, F. Loparco, B. Lott, M. N. Lovellette, P. Lubrano, A. G. Lyne, G. M. Madejski, A. Makeev, R. N. Manchester, B. Marangelli, M. Marelli, M. N. Mazziotta, J. E. McEnery, S. McGlynn, M. A. McLaughlin, N. Menon, C. Meurer, P. F. Michelson, T. Mineo, N. Mirizzi, W. Mitthumsiri, T. Mizuno, A. A. Moiseev, M. Mongelli, C. Monte, M. E. Monzani, E. Moretti, A. Morselli, I. V. Moskalenko, S. Murgia, T. Nakamori, P. L. Nolan, A. Noutsos, E. Nuss, T. Ohsugi, N. Omodei, E. Orlando, J. F. Ormes, M. Ozaki, A. Paccagnella, D. Paneque, J. H. Panetta, D. Parent, M. Pearce, M. Pepe, M. Perchiazzi, M. Pesce-Rollins, L. Pieri, M. Pinchera, F. Piron, T. A. Porter, S. Rainò, R. Rando, S. M. Ransom, E. Rapposelli, M. Razzano, A. Reimer, O. Reimer, T. Reposeur, L. C. Reyes, S. Ritz, L. S. Rochester, A. Y. Rodriguez, R. W. Romani, M. Roth, F. Ryde, A. Sacchetti, H. F.-W. Sadrozinski, N. Saggini, D. Sanchez, A. Sander, P. M. Saz Parkinson, K. N. Segal, A. Sellerholm, C. Sgrò, E. J. Siskind, D. A. Smith, P. D. Smith, G. Spandre, P. Spinelli, M. Stamatikos, J.-L. Starck, F. W. Stecker, T. E. Stephens, M. S. Strickman, A. W. Strong, D. J. Suson, H. Tajima, H. Takahashi, T. Takahashi, T. Tanaka, A. Tenze, J. B. Thayer, J. G. Thayer, G. Theureau, D. J. Thompson, S. E. Thorsett, L. Tibaldo, O. Tibolla, D. F. Torres, A. Tramacere, M. Turri, T. L. Usher, L. Vigiani, N. Vilchez, V. Vitale, A. P. Waite, P. Wang, K. Watters, P. Weltevrede, B. L. Winer, K. S. Wood, T. Ylinen, M. Ziegler, Abdo, A. A., Ackermann, M., Atwood, W. B., Bagagli, R., Baldini, L., Ballet, J., Band, D. L., Barbiellini, G., Baring, M. G., Bartelt, J., Bastieri, D., Baughman, B. M., Bechtol, K., Bellardi, F., Bellazzini, R., Berenji, B., Bisello, D., Blandford, R. D., Bloom, E. D., Bogart, J. R., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Caliandro, G. A., Cameron, R. A., Camilo, F., Caraveo, P. A., Casandjian, J. M., Ceccanti, M., Cecchi, C., Charles, E., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen Tanugi, J., Cominsky, L. R., Conrad, J., Corbet, R., Corucci, L., Cutini, S., Davis, D. S., Deklotz, M., Dermer, C. D., Angelis, A. d., Palma, F. d., Digel, S. W., Dormody, M., Silva, E. D. E., Drell, P. S., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Flath, D. L., Fleury, P., Focke, W. 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E., Mcglynn, S., Mclaughlin, M. A., Menon, N., Meurer, C., Michelson, P. F., Mineo, T., Mirizzi, N., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Mongelli, M., Monte, C., Monzani, M. E., Moretti, E., Morselli, A., Moskalenko, I. V., Murgia, S., Nakamori, T., Nolan, P. L., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paccagnella, A., Paneque, D., Panetta, J. H., Parent, D., Pearce, M., Pepe, M., Perchiazzi, M., Pesce Rollins, M., Pieri, L., Pinchera, M., Piron, F., Porter, T. A., Raino, S., Rando, R., Ransom, S. M., Rapposelli, E., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Reyes, L. C., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sacchetti, A., Sadrozinski, H. F. W., Saggini, N., Sanchez, D., Sander, A., Parkinson, P. M. S., Segal, K. N., Sellerholm, A., Sgro, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stamatikos, M., Starck, J. L., Stecker, F. W., Stephens, T. E., Strickman, M. S., Strong, A. W., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Tenze, A., Thayer, J. B., Thayer, J. G., Theureau, G., Thompson, D. J., Thorsett, S. E., Tibaldo, L., Tibolla, O., Torres, D. F., Tramacere, A., Turri, M., Usher, T. L., Vigiani, L., Vilchez, N., Vitale, V., Waite, A. P., Wang, P., Watters, K., Weltevrede, P., Winer, B. L., Wood, K. S., Ylinen, T., and Ziegler, M.

Subjects
Photon, media_common.quotation_subject, Astrophysics::High Energy Astrophysical Phenomena, Magnetosphere, Fermi satellite, Astrophysics, Gamma rays: observations, pulsars: individual (PSR B0833-45), Astrophysics::Cosmology and Extragalactic Astrophysics, Vela, 01 natural sciences, Spectral line, High Energy Gamma-ray Astronomy, Pulsar, 0103 physical sciences, 010306 general physics, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Pulsars, media_common, Physics, Nebula, Astronomy and Astrophysics, pulsars: individual: PSR B0833-45, Space and Planetary Science, Sky, gamma rays: observations, Fermi Gamma-ray Space Telescope
Abstract

著者人数：235名, Accepted: 2009-02-09, 資料番号: SA1000979000

Published
2009

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