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Quantifying the suppression of the (un)-obscured star formation in galaxy cluster cores at 0.2 ≲ z ≲ 0.9

Rodríguez-Muñoz, L. and Rodighiero, G. and Mancini, C. and Pérez-González, P. G. and Rawle, T. D. and Egami, E. and Mercurio, A. and Rosati, P. and Puglisi, A. and Franceschini, A. and Balestra, I. and Baronchelli, I. and Biviano, A. and Ebeling, H. and Edge, A. C. and Enia, A. F. M. and Grillo, C. and Haines, C. P. and Iani, E. and Jones, T. and Nonino, M. and Valtchanov, I. and Vulcani, B. and Zemcov, M. (2019) Quantifying the suppression of the (un)-obscured star formation in galaxy cluster cores at 0.2 ≲ z ≲ 0.9. Monthly Notices of the Royal Astronomical Society, 485 (1). pp. 586-619. ISSN 0035-8711. doi:10.1093/mnras/sty3335.

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We quantify the star formation (SF) in the inner cores (⁠R/R_(200) ≤0.3) of 24 massive galaxy clusters at 0.2≲ z ≲0.9 observed by the Herschel Lensing Survey and the Cluster Lensing and Supernova survey with Hubble. These programmes, covering the rest-frame ultraviolet to far-infrared regimes, allow us to accurately characterize stellar mass-limited (⁠M∗ > 10^(10) M⊙) samples of star-forming cluster members (not)-detected in the mid- and/or far-infrared. We release the catalogues with the photometry, photometric redshifts, and physical properties of these samples. We also quantify the SF displayed by comparable field samples from the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey. We find that in intermediate-z cluster cores, the SF activity is suppressed with respect the field in terms of both the fraction (⁠FF⁠) of star-forming galaxies (SFGs) and the rate at which they form stars (⁠sSFR = SFR/M∗⁠). On average, the F of SFGs is a factor ∼2 smaller in cluster cores than in the field. Furthermore, SFGs present average SFR and sSFR typically ∼0.3 dex smaller in the clusters than in the field along the whole redshift range probed. Our results favour long time-scale quenching physical processes as the main driver of SF suppression in the inner cores of clusters since z ∼0.9, with shorter time-scale processes being very likely responsible for a fraction of the missing SFG population.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Rodighiero, G.0000-0002-9415-2296
Mancini, C.0000-0002-4297-0561
Pérez-González, P. G.0000-0003-4528-5639
Puglisi, A.0000-0001-9369-1805
Baronchelli, I.0000-0003-0556-2929
Haines, C. P.0000-0002-8814-8960
Jones, T.0000-0001-5860-3419
Nonino, M.0000-0001-6342-9662
Valtchanov, I.0000-0001-9930-7886
Vulcani, B.0000-0003-0980-1499
Zemcov, M.0000-0001-8253-1451
Additional Information:© 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( Accepted 2018 December 5. Received 2018 October 31; in original form 2018 February 8. Published: 07 February 2019. The authors thank Françoise Combes, Carlos López-Sanjuan, Dieter Lutz, Bianca Poggianti, and Alvio Renzini for their suggestions to improve this work. We acknowledge funding from the INAF PRIN-SKA 2017 program LR-M acknowledges funding support from the Università degli studi di Padova – Dipartimento di Fisica e Astronomia ‘G. Galilei’. GR and CM acknowledge support from an INAF PRIN-SKA 2017 grant. PGP-G acknowledges funding support from the Spanish Government MINECO under grants AYA2015-70815-ERC and AYA2015-63650-P. ACE acknowledges support from STFC grant ST/P00541/1. AM acknowledges funding from the INAF PRIN-SKA 2017 program Analyses were performed in R 3.4.0 (R Core Team 2018).
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Istituto Nazionale di Astrofisica (INAF)
Università degli studi di PadovaUNSPECIFIED
Istituto Nazionale di Astrofisica (INAF)PRIN-SKA 2017
Ministerio de Economía, Industria y Competitividad (MINECO)AYA2015-70815-ERC
Ministerio de Economía, Industria y Competitividad (MINECO)AYA2015-63650-P
Science and Technology Facilities Council (STFC)ST/P00541/1
Subject Keywords:galaxies: clusters: general – galaxies: evolution – galaxies: star formation – catalogues
Issue or Number:1
Record Number:CaltechAUTHORS:20190523-105338426
Persistent URL:
Official Citation:L Rodríguez-Muñoz, G Rodighiero, C Mancini, P G Pérez-González, T D Rawle, E Egami, A Mercurio, P Rosati, A Puglisi, A Franceschini, I Balestra, I Baronchelli, A Biviano, H Ebeling, A C Edge, A F M Enia, C Grillo, C P Haines, E Iani, T Jones, M Nonino, I Valtchanov, B Vulcani, M Zemcov, Quantifying the suppression of the (un)-obscured star formation in galaxy cluster cores at 0.2≲ z ≲0.9, Monthly Notices of the Royal Astronomical Society, Volume 485, Issue 1, May 2019, Pages 586–619,
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95735
Deposited By: Tony Diaz
Deposited On:23 May 2019 18:09
Last Modified:16 Nov 2021 17:15

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