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The role of massive halos in the star formation history of the Universe

Popesso, P. and Biviano, A. and Finoguenov, A. and Wilman, D. and Salvato, M. and Magnelli, B. and Gruppioni, C. and Pozzi, F. and Rodighiero, G. and Ziparo, F. and Berta, S. and Elbaz, D. and Dickinson, M. and Lutz, D. and Altieri, B. and Aussel, H. and Cimatti, A. and Fadda, D. and Ilbert, O. and Le Floc'h, E. and Nordon, R. and Poglitsch, A. and Genel, S. and Xu, C. K. (2015) The role of massive halos in the star formation history of the Universe. Astronomy and Astrophysics, 579 . Art. No. A132. ISSN 0004-6361.

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Context. The most striking feature of the cosmic star formation history (CSFH) of the Universe is a dramatic drop in the star formation (SF) activity after z ~ 1. Aims. In this work we investigate whether the very same process of assembly and growth of structures is one of the major drivers of the observed decline in the Universe’s SF activity. Methods. We study the contribution to the CSFH of galaxies in halos of different masses. This is done by studying the total SF rate-halo mass-redshift plane from redshift 0 to redshift ~1.6 in a sample of 57 groups and clusters by using the deepest available mid- and far-infrared surveys conducted with Spitzer MIPS and Herschel PACS and SPIRE, on blank (ECDFS, CDFN, and the COSMOS) and cluster fields. Results. Our results show that low mass groups (M_(halo) ~ 6 × 10^(12)−6 × 10^(13) M_⊙) provide a 60−80% contribution to the CSFH at z ~ 1. This contribution has declined faster than the CSFH in the past 8 billion years to less than 10% at z < 0.3, where the overall SF activity is sustained by lower mass halos. More massive systems (M_(halo) > 6 × 10^(13) M_⊙) provide only a marginal contribution (<10%) at any epoch. A simplified abundance-matching method shows that the large contribution of low mass groups at z ~ 1 is due to a large fraction (>50%) of very massive, highly star-forming main sequence galaxies. Below z ~ 1 a quenching process must take place in massive halos to cause the observed faster suppression of their SF activity. Such a process must be a slow one, though, since most of the models implementing a rapid quenching of the SF activity in accreting satellites significantly underpredict the observed SF level in massive halos at any redshift. This would rule out short time-scale mechanisms such as ram pressure stripping. Instead, starvation or the satellite’s transition from cold to hot accretion would provide a quenching timescale of 1 to few Gyr that is more consistent with the observations. Conclusions. Our results suggest a scenario in which, owing to the structure formation process, more and more galaxies experience the group environment and the associated quenching process in the past 8 billion years. This leads to the progressive suppression of their SF activity so that it shapes the CSFH below z ~ 1.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Finoguenov, A.0000-0002-4606-5403
Salvato, M.0000-0001-7116-9303
Magnelli, B.0000-0002-6777-6490
Gruppioni, C.0000-0002-5836-4056
Rodighiero, G.0000-0002-9415-2296
Berta, S.0000-0002-0320-1532
Elbaz, D.0000-0002-7631-647X
Dickinson, M.0000-0001-5414-5131
Lutz, D.0000-0003-0291-9582
Aussel, H.0000-0002-1371-5705
Fadda, D.0000-0002-3698-7076
Ilbert, O.0000-0002-7303-4397
Genel, S.0000-0002-3185-1540
Xu, C. K.0000-0002-1588-6700
Additional Information:© 2015 ESO. Received 30 July 2014. Accepted 7 November 2014. Published online 17 July 2015. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. The authors thank G. Zamorani for the very useful comments on an early draft of this paper. PACS has been developed by a consortium of institutes led by MPE (Germany) and including UVIE (Austria); KUL, CSL, IMEC (Belgium); CEA, OAMP (France); MPIA (Germany); IFSI, OAP/AOT, OAA/CAISMI, LENS, SISSA (Italy); IAC (Spain). This development has been supported by the funding agencies BMVIT (Austria), ESA-PRODEX (Belgium), CEA/CNES (France), DLR (Germany), ASI (Italy), and CICYT/MCYT (Spain). We gratefully acknowledge the contributions of the entire COSMOS collaboration consisting of more than 100 scientists. More information about the COSMOS survey is available at This research has made use of NASA’s Astrophysics Data System, of NED, which is operated by JPL/Caltech, under contract with NASA, and of SDSS, which has been funded by the Sloan Foundation, NSF, the US Department of Energy, NASA, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council of England. The SDSS is managed by the participating institutions
Funding AgencyGrant Number
Commissariat à l’Energie Atomique (CEA)UNSPECIFIED
Agenzia Spaziale Italiana (ASI)UNSPECIFIED
Sloan FoundationUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Japanese MonbukagakushoUNSPECIFIED
Max Planck SocietyUNSPECIFIED
Higher Education Funding Council of EnglandUNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Subject Keywords:galaxies: evolution, galaxies: star formation, galaxies: groups: general
Record Number:CaltechAUTHORS:20150901-103517857
Persistent URL:
Official Citation:The role of massive halos in the star formation history of the Universe⋆ P. Popesso, A. Biviano, A. Finoguenov, D. Wilman, M. Salvato, B. Magnelli, C. Gruppioni, F. Pozzi, G. Rodighiero, F. Ziparo, S. Berta, D. Elbaz, M. Dickinson, D. Lutz, B. Altieri, H. Aussel, A. Cimatti, D. Fadda, O. Ilbert, E. Le Floch, R. Nordon, A. Poglitsch, S. Genel, C. K. Xu A&A 579 A132 (2015) DOI: 10.1051/0004-6361/201424715
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60009
Deposited By: Ruth Sustaita
Deposited On:01 Sep 2015 18:22
Last Modified:09 Dec 2019 23:49

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