The Herschel PEP/HerMES luminosity function - I. Probing the evolution of PACS selected Galaxies to z ~= 4

C Gruppioni, F Pozzi, G Rodighiero, I Delvecchio, S Berta, L Pozzetti, G Zamorani, P Andreani, A Cimatti, O Ilbert, E Le Floc'h, D Lutz, B Magnelli, L Marchetti, P Monaco, R Nordon, S Oliver, P Popesso, L Riguccini, I RoseboomD J Rosario, M Sargent, M Vaccari, B Altieri, H Aussel, A Bongiovanni, J Cepa, E Daddi, H DomÌnguez-S·nchez, D Elbaz, N Fˆrster Schreiber, R Genzel, A Iribarrem, M Magliocchetti, R Maiolino, A Poglitsch, A PÈrez GarcÌa, M Sanchez-Portal, E Sturm, L Tacconi, I Valtchanov, A Amblard, V Arumugam, M Bethermin, J Bock, A Boselli, V Buat, D Burgarella, N Castro-RodrÌguez, A Cava, P Chanial, D L Clements, A Conley, A Cooray, C D Dowell, E Dwek, S Eales, A Franceschini, J Glenn, M Griffin, E Hatziminaoglou, E Ibar, K Isaak, R J Ivison, G Lagache, L Levenson, N Lu, S Madden, B Maffei, G Mainetti, H T Nguyen, B O'Halloran, M J Page, P Panuzzo, A Papageorgiou, C P Pearson, I PÈrez-Fournon, M Pohlen, D Rigopoulou, M Rowan-Robinson, B Schulz, D Scott, N Seymour, D L Shupe, A J Smith, J A Stevens, M Symeonidis, M Trichas, K E Tugwell, L Vigroux, L Wang, G Wright, C K Xu, M Zemcov, S Bardelli, M Carollo, T Contini, O Le FÈvre, S Lilly, V Mainieri, A Renzini, M Scodeggio, E Zucca

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We exploit the deep and extended far-IR data sets (at 70, 100 and 160 mum) of the Herschel Guaranteed Time Observation (GTO) PACS Evolutionary Probe (PEP) Survey, in combination with the Herschel Multi-tiered Extragalactic Survey data at 250, 350 and 500 mum, to derive the evolution of the rest-frame 35-, 60-, 90- and total infrared (IR) luminosity functions (LFs) up to z ˜ 4. We detect very strong luminosity evolution for the total IR LF (LIR ∝ (1 + z)3.55 ± 0.10 up to z ˜ 2, and ∝ (1 + z)1.62 ± 0.51 at 2 <z &lsim; 4) combined with a density evolution (∝(1 + z)-0.57 ± 0.22 up to z ˜ 1 and ∝ (1 + z)-3.92 ± 0.34 at 1 <z &lsim; 4). In agreement with previous findings, the IR luminosity density (rhoIR) increases steeply to z ˜ 1, then flattens between z ˜ 1 and z ˜ 3 to decrease at z &gsim; 3. Galaxies with different spectral energy distributions, masses and specific star formation rates (SFRs) evolve in very different ways and this large and deep statistical sample is the first one allowing us to separately study the different evolutionary behaviours of the individual
    Original languageEnglish
    Pages (from-to)23-52
    Number of pages30
    JournalMonthly Notices of the Royal Astronomical Society
    Volume432
    Publication statusPublished - 2013

    Keywords

    • galaxies: active
    • galaxies: evolution
    • galaxies: luminosity function
    • mass function
    • galaxies: starburst
    • cosmology: observations
    • infrared: galaxies

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