
handle: 11585/527335
We study the evolution of the total star formation (SF) activity, total stellar mass and halo occupation distribution in massive halos by using one of the largest X-ray selected sample of galaxy groups with secure spectroscopic identification in the major blank field surveys (ECDFS, CDFN, COSMOS, AEGIS). We provide an accurate measurement of SFR for the bulk of the star-forming galaxies using very deep mid-infrared Spitzer MIPS and far-infrared Herschel PACS observations. For undetected IR sources, we provide a well-calibrated SFR from SED fitting. We observe a clear evolution in the level of SF activity in galaxy groups. The total SF activity in the high redshift groups (0.5
Accepted for publication in MNRAS
astro-ph.GA, Catalogues; Cosmology: observations; Galaxies: evolution; Infrared: galaxies; Large-scale structure of Universe; Space and Planetary Science; Astronomy and Astrophysics, FOS: Physical sciences, Astronomy & Astrophysics, [SDU.ASTR] Sciences of the Universe [physics]/Astrophysics [astro-ph], 530, galaxies [infrared], Astrophysics - Astrophysics of Galaxies, 520, infrared: galaxies, cosmology: observations, Astrophysics of Galaxies (astro-ph.GA), large-scale structure of Universe, galaxies: evolution, observations [Cosmology], Astronomical and Space Sciences, catalogues, evolution [galaxies]
astro-ph.GA, Catalogues; Cosmology: observations; Galaxies: evolution; Infrared: galaxies; Large-scale structure of Universe; Space and Planetary Science; Astronomy and Astrophysics, FOS: Physical sciences, Astronomy & Astrophysics, [SDU.ASTR] Sciences of the Universe [physics]/Astrophysics [astro-ph], 530, galaxies [infrared], Astrophysics - Astrophysics of Galaxies, 520, infrared: galaxies, cosmology: observations, Astrophysics of Galaxies (astro-ph.GA), large-scale structure of Universe, galaxies: evolution, observations [Cosmology], Astronomical and Space Sciences, catalogues, evolution [galaxies]
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