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6 results on '"Submillimeter: galaxie"'

1. Atacama Cosmology Telescope measurements of a large sample of candidates from the Massive and Distant Clusters of WISE Survey: Sunyaev-Zeldovich effect confirmation of MaDCoWS candidates using ACT

Author

Orlowski-Scherer, J, Di Mascolo, L, Bhandarkar, T, Manduca, A, Mroczkowski, T, Amodeo, S, Battaglia, N, Brodwin, M, Choi, S, Devlin, M, Dicker, S, Dunkley, J, Gonzalez, A, Han, D, Hilton, M, Huffenberger, K, Hughes, J, Macinnis, A, Knowles, K, Koopman, B, Lowe, I, Moodley, K, Nati, F, Niemack, M, Page, L, Partridge, B, Romero, C, Salatino, M, Schillaci, A, Sehgal, N, Sifon, C, Staggs, S, Stanford, S, Thornton, R, Vavagiakis, E, Wollack, E, Xu, Z, Zhu, N, Orlowski-Scherer J., Di Mascolo L., Bhandarkar T., Manduca A., Mroczkowski T., Amodeo S., Battaglia N., Brodwin M., Choi S. K., Devlin M., Dicker S., Dunkley J., Gonzalez A. H., Han D., Hilton M., Huffenberger K., Hughes J. P., MacInnis A., Knowles K., Koopman B. J., Lowe I., Moodley K., Nati F., Niemack M. D., Page L. A., Partridge B., Romero C., Salatino M., Schillaci A., Sehgal N., Sifon C., Staggs S., Stanford S. A., Thornton R., Vavagiakis E. M., Wollack E. J., Xu Z., Zhu N., Orlowski-Scherer, J, Di Mascolo, L, Bhandarkar, T, Manduca, A, Mroczkowski, T, Amodeo, S, Battaglia, N, Brodwin, M, Choi, S, Devlin, M, Dicker, S, Dunkley, J, Gonzalez, A, Han, D, Hilton, M, Huffenberger, K, Hughes, J, Macinnis, A, Knowles, K, Koopman, B, Lowe, I, Moodley, K, Nati, F, Niemack, M, Page, L, Partridge, B, Romero, C, Salatino, M, Schillaci, A, Sehgal, N, Sifon, C, Staggs, S, Stanford, S, Thornton, R, Vavagiakis, E, Wollack, E, Xu, Z, Zhu, N, Orlowski-Scherer J., Di Mascolo L., Bhandarkar T., Manduca A., Mroczkowski T., Amodeo S., Battaglia N., Brodwin M., Choi S. K., Devlin M., Dicker S., Dunkley J., Gonzalez A. H., Han D., Hilton M., Huffenberger K., Hughes J. P., MacInnis A., Knowles K., Koopman B. J., Lowe I., Moodley K., Nati F., Niemack M. D., Page L. A., Partridge B., Romero C., Salatino M., Schillaci A., Sehgal N., Sifon C., Staggs S., Stanford S. A., Thornton R., Vavagiakis E. M., Wollack E. J., Xu Z., and Zhu N.

Abstract

Context. Galaxy clusters are an important tool for cosmology, and their detection and characterization are key goals for current and future surveys. Using data from the Wide-field Infrared Survey Explorer (WISE), the Massive and Distant Clusters of WISE Survey (MaDCoWS) located 2839 significant galaxy overdensities at redshifts 0.7-1.5, which included extensive follow-up imaging from the Spitzer Space Telescope to determine cluster richnesses. Concurrently, the Atacama Cosmology Telescope (ACT) has produced large area millimeter-wave maps in three frequency bands along with a large catalog of Sunyaev-Zeldovich (SZ)-selected clusters as part of its Data Release 5 (DR5). Aims. We aim to verify and characterize MaDCoWS clusters using measurements of, or limits on, their thermal SZ effect signatures. We also use these detections to establish the scaling relation between SZ mass and the MaDCoWS-defined richness. Methods. Using the maps and cluster catalog from DR5, we explore the scaling between SZ mass and cluster richness. We do this by comparing cataloged detections and extracting individual and stacked SZ signals from the MaDCoWS cluster locations. We use complementary radio survey data from the Very Large Array, submillimeter data from Herschel, and ACT 224 GHz data to assess the impact of contaminating sources on the SZ signals from both ACT and MaDCoWS clusters. We use a hierarchical Bayesian model to fit the mass-richness scaling relation, allowing for clusters to be drawn from two populations: one, a Gaussian centered on the mass-richness relation, and the other, a Gaussian centered on zero SZ signal. Results. We find that MaDCoWS clusters have submillimeter contamination that is consistent with a gray-body spectrum, while the ACT clusters are consistent with no submillimeter emission on average. Additionally, the intrinsic radio intensities of ACT clusters are lower than those of MaDCoWS clusters, even when the ACT clusters are restricted to the same redshift r

Published
2021

2. Atacama Cosmology Telescope measurements of a large sample of candidates from the Massive and Distant Clusters of WISE Survey: Sunyaev-Zeldovich effect confirmation of MaDCoWS candidates using ACT

Author

Suzanne T. Staggs, Dongwon Han, Alessandro Schillaci, Kavilan Moodley, Charles Romero, Anthony H. Gonzalez, Simon Dicker, Maria Salatino, Zhilei Xu, Tanay Bhandarkar, Mark Brodwin, Neelima Sehgal, Alex Manduca, Federico Nati, Spencer A. Stanford, Eve M. Vavagiakis, Robert Thornton, Luca Di Mascolo, Jo Dunkley, Brian J. Koopman, Matt Hilton, Bruce Partridge, Mark J. Devlin, Steve K. Choi, Edward J. Wollack, Tony Mroczkowski, Michael D. Niemack, Kenda Knowles, Lyman A. Page, Stefania Amodeo, Nick Battaglia, Cristóbal Sifón, Amanda MacInnis, Kevin M. Huffenberger, Ningfeng Zhu, John P. Hughes, Ian Lowe, John Orlowski-Scherer, Orlowski-Scherer, J, Di Mascolo, L, Bhandarkar, T, Manduca, A, Mroczkowski, T, Amodeo, S, Battaglia, N, Brodwin, M, Choi, S, Devlin, M, Dicker, S, Dunkley, J, Gonzalez, A, Han, D, Hilton, M, Huffenberger, K, Hughes, J, Macinnis, A, Knowles, K, Koopman, B, Lowe, I, Moodley, K, Nati, F, Niemack, M, Page, L, Partridge, B, Romero, C, Salatino, M, Schillaci, A, Sehgal, N, Sifon, C, Staggs, S, Stanford, S, Thornton, R, Vavagiakis, E, Wollack, E, Xu, Z, Zhu, N, Orlowski-Scherer, J., Di Mascolo, L., Bhandarkar, T., Manduca, A., Mroczkowski, T., Amodeo, S., Battaglia, N., Brodwin, M., Choi, S. K., Devlin, M., Dicker, S., Dunkley, J., Gonzalez, A. H., Han, D., Hilton, M., Huffenberger, K., Hughes, J. P., Macinnis, A., Knowles, K., Koopman, B. J., Lowe, I., Moodley, K., Nati, F., Niemack, M. D., Page, L. A., Partridge, B., Romero, C., Salatino, M., Schillaci, A., Sehgal, N., Sifon, C., Staggs, S., Stanford, S. A., Thornton, R., Vavagiakis, E. M., Wollack, E. J., Xu, Z., and Zhu, N.

Subjects
Cosmology and Nongalactic Astrophysics (astro-ph.CO), Large-scale structure of Universe, FOS: Physical sciences, Context (language use), clusters: intracluster medium [Galaxies], Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, clusters: general [Galaxies], Cosmic background radiation, Radio continuum: galaxie, 01 natural sciences, Radio continuum: galaxies, galaxies [Submillimeter], Submillimeter: galaxie, Spitzer Space Telescope, Galaxies: clusters: general, Galaxies: clusters: intracluster medium, Submillimeter: galaxies, 0103 physical sciences, Galaxy formation and evolution, Cluster (physics), galaxie [Radio continuum], 010303 astronomy & astrophysics, Galaxy cluster, Astrophysics::Galaxy Astrophysics, Physics, 010308 nuclear & particles physics, Astronomy and Astrophysics, Astrophysics - Astrophysics of Galaxies, Redshift, Galaxy, 13. Climate action, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), Atacama Cosmology Telescope, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

Galaxy clusters are an important tool for cosmology, and their detection and characterization are key goals for current and future surveys. Using data from the Wide-field Infrared Survey Explorer (WISE), the Massive and Distant Clusters of WISE Survey (MaDCoWS) located 2,839 significant galaxy overdensities at redshifts $0.7\lesssim z\lesssim 1.5$, which included extensive follow-up imaging from the Spitzer Space Telescope to determine cluster richnesses. Concurrently, the Atacama Cosmology Telescope (ACT) has produced large area mm-wave maps in three frequency bands along with a large catalog of Sunyaev-Zeldovich (SZ) selected clusters, as part of its Data Release 5 (DR5). Using the maps and cluster catalog from DR5, we explore the scaling between SZ mass and cluster richness. We use complementary radio survey data from the Very Large Array, submillimeter data from Herschel, and ACT 224~GHz data to assess the impact of contaminating sources on the SZ signals. We then use a hierarchical Bayesian model to fit the mass-richness scaling relation. We find that MaDCoWS clusters have submillimeter contamination which is consistent with a gray-body spectrum, while the ACT clusters are consistent with no submillimeter emission on average. We find the best fit ACT SZ mass vs. MaDCoWS richness scaling relation has a slope of $\kappa = 1.84^{+0.15}_{-0.14}$, where the slope is defined as $M\propto \lambda_{15}^{\kappa}$ where $\lambda_{15}$ is the richness. Additionally, we find that the approximate level of in-fill of the ACT and MaDCoWS cluster SZ signals to be at the percent level, Comment: 25 pages, 17 Figures; accepted for publication in A&A

Published
2021

3. A MUltiwavelength Study of ELAN Environments (AMUSE2)

Author

Michele Fumagalli, Zheng Cai, Yujin Yang, Elisabeta Lusso, M. Nowotka, J. X. Prochaska, F. Arrigoni Battaia, Chian-Chou Chen, Nowotka, M, Chen, C, Battaia, F, Fumagalli, M, Cai, Z, Lusso, E, Prochaska, J, and Yang, Y

Subjects
Physics, Submillimeter: galaxie, Space and Planetary Science, Galaxies: high-redshift, Astronomy and Astrophysics, Galaxies: clusters: general, Astrophysics, Galaxies: halo, Star (graph theory), Cosmic background radiation, Astrophysics - Astrophysics of Galaxies, Galaxy, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

We have been undertaking a systematic survey at 850 $\mu$m based on a sample of four prototypical $z\sim2-3$ enormous Ly$\alpha$ nebulae (ELANe) as well as their megaparsec-scale (Mpc-scale) environments to study the physical connections between ELANe and their coeval dusty submillimeter galaxies (SMGs). By analysing the SCUBA-2 data with self-consistent Monte Carlo simulations to construct the number counts, here, we report on the overabundance of 850 $\mu$m-selected submillimeter sources around all the four ELANe, by a factor of 3.6$\pm$0.6 (weighted average) compared to the blank fields. This suggests that the excessive number of submillimeter sources are likely to be part of the Mpc-scale environment around the ELANe, corroborating the co-evolution scenario for SMGs and quasars; this is a process which may be more commonly observed in the ELAN fields. If the current form of the underlying count models continues toward the fainter end, our results would suggest an excess of the 850 $\mu$m extragalactic background light by a factor of between 2-10, an indication of significant background light fluctuations on the survey scales. Finally, by assuming that all the excessive submillimeter sources are associated with their corresponding ELAN environments, we estimate the SFR densities of each ELAN field, as well as a weighted average of $\Sigma$SFR=1200$\pm$300 $M_\odot$ yr$^{-1}$ Mpc$^{-3}$, consistent with that found in the vicinity of other quasar systems or proto-clusters at similar redshifts; in addition, it is a factor of about 300 greater than the cosmic mean., Comment: 11 pages, 5 pages, A&A in press

Published
2022

4. Chandra and ALMA observations of the nuclear activity in two strongly lensed star forming galaxies

Author

Luigi Danese, Andrea Lapi, Cristian Vignali, C. Mancuso, G. de Zotti, S. Burkutean, Roberto Gilli, A. Enia, Mattia Negrello, Marcella Massardi, Massardi, M., Enia, A.F.M., Negrello, M., Mancuso, C., Lapi, A., Vignali, C., Gilli, R., Burkutean, S., Danese, L., and De Zotti, G.

Subjects
Gravitational lensing: Strong, astro-ph.GA, High resolution, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Spectral line, Settore FIS/05 - Astronomia e Astrofisica, 0103 physical sciences, Galaxies: Evolution, Galaxy formation and evolution, Galaxies: Active, Submillimeter: Galaxies, X-rays: Galaxies, Astronomy and Astrophysics, Space and Planetary Science, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, QB, Physics, 010308 nuclear & particles physics, Star formation, Nuclear activity, Nuclear environment, Astrophysics - Astrophysics of Galaxies, Redshift, Galaxy, Astrophysics of Galaxies (astro-ph.GA), Submillimeter: Galaxie
Abstract

Nuclear activity and star formation play relevant roles in the early stages of galaxy formation. We aim at identifying them in high redshift galaxies by exploiting high-resolution and sensitivity X-ray and mm data to confirm their presence and relative role in contributing to the galaxy SEDs and energy budget. We present the data, model and analysis in the X-ray and mm bands for two strongly lensed galaxies, SDP.9 and SDP.11, selected in the Herschel-ATLAS catalogues as having an excess emission in the mid-IR regime at z>1.5, suggesting nuclear activity in the early stages of galaxy formation. We observed both of them in X-ray with Chandra and analyzed the high-resolution mm data available in the ALMA Science Archive for SDP9, and, by combining the information available, we reconstructed the source morphology. Both the targets were detected in the X-ray, strongly indicating the presence of highly obscured nuclear activity. High resolution ALMA observations for SDP9 in continuum and CO(6-5) spectral line allowed us to estimate the lensed galaxy redshift to a better accuracy than pre-ALMA estimates and to model the emission of the optical, mm, and X-ray band emission for this galaxy. We demonstrated that the X-ray emission is generated in the nuclear environment and it strongly support the presence of nuclear activity in this object. Hence, we identified weak nuclear activity associated with high-z galaxies with large star formation rates, useful to extend the investigation of the relationship between star formation and nuclear activity to two intrinsically less luminous, high-z star forming galaxies than was possible so far. Given our results only for two objects, they solely cannot constrain the evolutionary models, but provide us with interesting hints and set an observational path towards addressing the role of star formation and nuclear activity in forming galaxies., Accepted for publication on A&A

Published
2017
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5. Characterizing elusive, faint dusty star-forming galaxies: a lensed, optically undetected ALMA galaxy at z ~ 3.3

Author

S. Berta, Emanuele Daddi, Roberto Maiolino, Manuela Magliocchetti, Ricardo Amorín, Michał J. Michałowski, Andrea Grazian, Giulia Rodighiero, Rosa Valiante, Paola Santini, David Elbaz, S. Pilo, Charlotte Mason, Nathan Bourne, L. Pentericci, Marco Castellano, Francesco Calura, E. Merlin, Francesca Pozzi, Adriano Fontana, A. Mignano, Corentin Schreiber, ITA, USA, GBR, FRA, NLD, Santini, P., Castellano, M., Fontana, A., Merlin, E., Maiolino, R., Mason, C., Mignano, A., Pilo, S., Amorin, R., Berta, S., Bourne, N., Calura, F., Daddi, E., Elbaz, D., Grazian, A., Magliocchetti, M., Michałowski, M.J., Pentericci, L., Pozzi, F., Rodighiero, G., Schreiber, C., Valiante, R., Maiolino, Roberto [0000-0002-4985-3819], Amorin Barbieri, Ricardo [0000-0001-5758-1000], and Apollo - University of Cambridge Repository

Subjects
Galaxies: fundamental parameters, Stellar mass, Population, Galaxies: fundamental parameter, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Cosmology: observation, 01 natural sciences, Submillimeter: galaxie, 0103 physical sciences, Galaxy formation and evolution, 10. No inequality, education, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Photometric redshift, Physics, education.field_of_study, 010308 nuclear & particles physics, Star formation, Cosmology: observations, Galaxies: high-redshift, Astrophysics::Instrumentation and Methods for Astrophysics, Galaxies: evolution, Astronomy and Astrophysics, Galaxies: photometry, Astronomy and Astrophysic, Astrophysics - Astrophysics of Galaxies, Galaxy, Redshift, Submillimeter: galaxies, Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), Spectral energy distribution
Abstract

We present the serendipitous ALMA detection of a faint submillimeter galaxy (SMG) lensed by a foreground z~1 galaxy. By optimizing the source detection to deblend the system, we accurately build the full spectral energy distribution of the distant galaxy from the I814 band to radio wavelengths. It is extremely red, with a I-K colour larger than 2.5. We estimate a photometric redshift of 3.28 and determine the physical parameters. The distant galaxy turns out to be magnified by the foreground lens by a factor of ~1.5, which implies an intrinsic Ks-band magnitude of ~24.5, a submillimeter flux at 870um of ~2.5 mJy and a SFR of ~150-300Msun/yr, depending on the adopted tracer. These values place our source towards the faint end of the distribution of observed SMGs, and in particular among the still few faint SMGs with a fully characterized spectral energy distribution, which allows us not only to accurately estimate its redshift but also to measure its stellar mass and other physical properties. The galaxy studied in this work is a representative of the population of faint SMGs, of which only few objects are known to date, that are undetected in optical and therefore are not typically accounted for when measuring the cosmic star formation history (SFH). This faint galaxy population thus likely represents an important and missing piece in our understanding of the cosmic SFH. Its observation and characterization is of major importance to achieve a solid picture of galaxy evolution., A&A, in press. Very minor changes to match the printed version

Published
2016
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6. Planckintermediate results

Author

Collaboration, Planck, Ade, P.~A.~R., Aghanim, N., Arnaud, 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., Burigana, C., Butler, R.~C., Calabrese, E., Catalano, A., Chiang, H.~C., Christensen, P.~R., Clements, D.~L., Colombo, L.~P.~L., 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., Dole, H., Doré, O., Douspis, M., Ducout, A., Dupac, X., Elsner, F., Enßlin, T.~A., Eriksen, H.~K., Falgarone, E., Finelli, F., Flores-Cacho, I., 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., Keihänen, E., Keskitalo, R., Kisner, T.~S., Kneissl, 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, M., López-Caniego, M., Lubin, P.~M., Macías-Pérez, J.~F., Maffei, B., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P.~G., Martínez-González, E., Masi, S., Matarrese, S., Melchiorri, A., Mennella, A., Migliaccio, M., Mitra, S., Miville-Deschênes, M.-A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J.~A., Nati, F., Natoli, P., Nesvadba, N.~P.~H., Noviello, F., Novikov, D., Novikov, I., Oxborrow, C.~A., Pagano, L., Pajot, F., Paoletti, D., Partridge, B., Pasian, F., Pearson, T.~J., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Piat, M., Plaszczynski, S., Pointecouteau, E., Polenta, G., 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., Rubiño-Martín, J.~A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Spencer, L.~D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Suur-Uski, A.-S., Sygnet, J.-F., Tauber, J.~A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Türler, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, F., Vielva, P., Villa, F., Wade, L.~A., Wandelt, B.~D., Wehus, I.~K., Welikala, N., Yvon, D., 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, 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), Ade, P. A. R., Aghanim, N., Arnaud, 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., Burigana, C., Butler, R. C., Calabrese, E., Catalano, A., Chiang, H. C., Christensen, P. R., Clements, D. L., Colombo, L. P. L., 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., Dole, H., Doré, O., Douspis, M., Ducout, A., Dupac, X., Elsner, F., Enßlin, T. A., Eriksen, H. K., Falgarone, E., Finelli, F., Flores Cacho, I., 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, Anna, 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., Keihänen, E., Keskitalo, R., Kisner, T. S., Kneissl, 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, M., López Caniego, M., Lubin, P. M., Macías Pérez, J. F., Maffei, B., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P. G., Martínez González, E., Masi, S., Matarrese, S., Melchiorri, A., Mennella, A., Migliaccio, M., Mitra, S., Miville Deschênes, M. A., Moneti, A., Montier, L., Morgante, G., Mortlock, D., Munshi, D., Murphy, J. A., Nati, F., Natoli, P., Nesvadba, N. P. H., Noviello, F., Novikov, D., Novikov, I., Oxborrow, C. A., Pagano, L., Pajot, F., Paoletti, D., Partridge, B., Pasian, F., Pearson, T. J., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Piat, M., Plaszczynski, S., Pointecouteau, E., Polenta, G., 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., Rubiño Martín, J. A., Rusholme, B., Sandri, M., Santos, D., Savelainen, M., Savini, G., Scott, D., Spencer, L. D., Stolyarov, V., Stompor, R., Sudiwala, R., Sunyaev, R., Suur Uski, A. S., Sygnet, J. F., Tauber, J. A., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Türler, M., Umana, G., Valenziano, L., Valiviita, J., Van Tent, F., Vielva, P., Villa, F., Wade, L. A., Wandelt, B. D., Wehus, I. 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Subjects
Large-scale structure of Universe, Astronomy, Catalogs, Galaxies: clusters: general, Galaxies: high-redshift, Submillimeter: galaxies, Astronomy and Astrophysics, Space and Planetary Science, media_common.quotation_subject, Population, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, clusters: general [Galaxies], 01 natural sciences, NO, high-redshift [Galaxies], Submillimeter: galaxie, galaxies [Submillimeter], symbols.namesake, Cosmic infrared background, 0103 physical sciences, catalogs, submillimeter: galaxies, galaxies: high-redshift, galaxies: clusters: general, large-scale structure of Universe, galaxies, galaxies: high-redshift, galaxies: clusters: general, large-scale structure of Universe [catalogs, submillimeter], Planck, education, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Galaxy cluster, media_common, Physics, Spectral index, education.field_of_study, Settore FIS/05, 010308 nuclear & particles physics, Astronomy and Astrophysic, Astrophysics - Astrophysics of Galaxies, Redshift, Universe, Galaxy, [PHYS.ASTR.GA]Physics [physics]/Astrophysics [astro-ph]/Galactic Astrophysics [astro-ph.GA], Astrophysics of Galaxies (astro-ph.GA), galaxie [Submillimeter], ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, symbols, Catalog
Abstract

The Planck mission, thanks to its large frequency range and all-sky coverage, has a unique potential for systematically detecting the brightest, and rarest, submillimetre sources on the sky, including distant objects in the high-redshift Universe traced by their dust emission. A novel method, based on a component-separation procedure using a combination of Planck and IRAS data, has been validated and characterized on numerous simulations, and applied to select the most luminous cold submillimetre sources with spectral energy distributions peaking between 353 and 857 GHz at 5' resolution. A total of 2151 Planck high-z source candidates (the PHZ) have been detected in the cleanest 26% of the sky, with flux density at 545 GHz above 500 mJy. Embedded in the cosmic infrared background close to the confusion limit, these high-z candidates exhibit colder colours than their surroundings, consistent with redshifts z > 2, assuming a dust temperature of Txgal = 35 K and a spectral index of βxgal = 1.5. Exhibiting extremely high luminosities, larger than 1014L☉, the PHZ objects may be made of multiple galaxies or clumps at high redshift, as suggested by a first statistical analysis based on a comparison with number count models. Furthermore, first follow-up observations obtained from optical to submillimetre wavelengths, which can be found in companion papers, have confirmed that this list consists of two distinct populations. A small fraction (around 3%) of the sources have been identified as strongly gravitationally lensed star-forming galaxies at redshift 2 to 4, while the vast majority of the PHZ sources appear as overdensities of dusty star-forming galaxies, having colours consistent with being at z > 2, and may be considered as proto-cluster candidates. The PHZ provides an original sample, which is complementary to the Planck Sunyaev-Zeldovich Catalogue (PSZ2); by extending the population of virialized massive galaxy clusters detected below z < 1.5 through their SZ signal to a population of sources at z > 1.5, the PHZ may contain the progenitors of today's clusters. Hence the Planck list of high-redshift source candidates opens a new window on the study of the early stages of structure formation, particularly understanding the intensively star-forming phase at high-z.The catalogue is only available at the CDS via anonymous ftp to or via

Published
2016

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