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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/31993
Title: AMICO galaxy clusters in KiDS-DR3: Evolution of the luminosity function between z = 0.1 and z = 0.8
Authors: PUDDU, Emanuella Anna 
RADOVICH, MARIO 
Sereno, Mauro 
BARDELLI, Sandro 
Maturi, M.
Moscardini, L.
Bellagamba, F.
GIOCOLI, Carlo 
Marulli, F.
Roncarelli, M.
Issue Date: 2021
Journal: ASTRONOMY & ASTROPHYSICS 
Number: 645
First Page: A9
Abstract: <BR /> Aims: By means of the r-band luminosity function (LF) of galaxies in a sample of about 4000 clusters detected by the cluster finder AMICO in the KiDS-DR3 area of about 400 deg<SUP>2</SUP>, we studied the evolution with richness and redshift of the passive evolving (red), star-forming (blue), and total galaxy populations. This analysis was performed for clusters in the redshift range [0.1, 0.8] and in the mass range [10<SUP>13</SUP> M<SUB>⊙</SUB>, 10<SUP>15</SUP> M<SUB>⊙</SUB>]. <BR /> Methods: To compute LFs, we binned the luminosity distribution in magnitude and statistically subtracted the background. Then, we divided the cluster sample in bins of both redshift and richness/mass. We stacked LF counts in each 2D bin for the total, red, and blue galaxy populations; finally, we fitted the stacked LF with a Schechter function and studied the trend of its parameters with redshift and richness/mass. <BR /> Results: We found a passive evolution with z for the bright part of the LF for the red and total populations and no significant trends for the faint galaxies. The mass/richness dependence is clear for the density parameter Φ<SUB>⋆</SUB>, increasing with richness, and for the total population faint end, which is shallower in the rich clusters.
URI: http://hdl.handle.net/20.500.12386/31993
URL: http://arxiv.org/abs/2011.05131v1
https://www.aanda.org/articles/aa/full_html/2021/01/aa39259-20/aa39259-20.html
ISSN: 0004-6361
DOI: 10.1051/0004-6361/202039259
Bibcode ADS: 2021A&A...645A...9P
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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