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  1. OA@INAF
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  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28937
Title: Reconstructing the galaxy density field with photometric redshifts - II. Environment-dependent galaxy evolution since z ≃ 3
Authors: Malavasi, Nicola
POZZETTI, Lucia 
CUCCIATI, Olga 
BARDELLI, Sandro 
Ilbert, Olivier
CIMATTI, ANDREA
Issue Date: 2017
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 470
Issue: 2
First Page: 1274
Abstract: Although extensively investigated, the role of the environment in galaxy formation is still not well understood. In this context, the galaxy stellar mass function (GSMF) is a powerful tool to understand how environment relates to galaxy mass assembly and the quenching of star formation. In this work, we make use of the high-precision photometric redshifts of the UltraVISTA Survey to study the GSMF in different environments up to z ∼ 3, on physical scales from 0.3 to 2 Mpc, down to masses of M ∼ 10<SUP>10</SUP> M<SUB>☉</SUB>. We witness the appearance of environmental signatures for both quiescent and star-forming galaxies. We find that the shape of the GSMF of quiescent galaxies is different in high- and low-density environments up to z ∼ 2 with the high-mass end (M ≳ 10<SUP>11</SUP> M<SUB>☉</SUB>) being enhanced in high-density environments. On the contrary, for star-forming galaxies, a difference between the GSMF in high- and low-density environments is present for masses M ≲ 10<SUP>11</SUP> M<SUB>☉</SUB>. Star-forming galaxies in this mass range appear to be more frequent in low-density environments up to z < 1.5. Differences in the shape of the GSMF are not visible anymore at z > 2. Our results, in terms of general trends in the shape of the GSMF, are in agreement with a scenario in which galaxies are quenched when they enter hot gas-dominated massive haloes that are preferentially in high-density environments.
URI: http://hdl.handle.net/20.500.12386/28937
URL: https://academic.oup.com/mnras/article/470/2/1274/3858031
ISSN: 0035-8711
DOI: 10.1093/mnras/stx1323
Bibcode ADS: 2017MNRAS.470.1274M
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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