2021A&A...645A...9P

Query : 2021A&A...645A...9P

2021A&A...645A...9P - Astronomy and Astrophysics, volume 645A9-9 (2021/1-1)

AMICO galaxy clusters in KiDS-DR3: Evolution of the luminosity function between z = 0.1 and z = 0.8.

PUDDU E., RADOVICH M., SERENO M., BARDELLI S., MATURI M., MOSCARDINI L., BELLAGAMBA F., GIOCOLI C., MARULLI F. and RONCARELLI M.

Abstract (from CDS):

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 deg², 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 [10¹³M_☉, 10¹⁵M_☉].
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.
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*, increasing with richness, and for the total population faint end, which is shallower in the rich clusters.

Abstract Copyright: © ESO 2020

Journal keyword(s): galaxies: clusters: general - galaxies: evolution - galaxies: formation - galaxies: luminosity function, mass function

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	ACO 776	ClG	09 16 17.5	-00 24 05						~	32	0

Query : 2021A&A...645A...9P

Basic data :

ACO 776 -- Cluster of Galaxies
Other object types:	`ClG (2011ApJ,ACO,...)`, `C?G (2016A&A,AK3)`, `Le? (2013MNRAS)`
ICRS coord. (ep=J2000) :	`09 16 17.5 -00 24 05 (Optical) [ ] E 2016ApJS..224....1R`
FK4 coord. (ep=B1950 eq=1950) :	`09 13 44.0 -00 11 31 [ ]`
Gal coord. (ep=J2000) :	`231.7932 +31.5064 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 80730 [~] / z(spectroscopic) 0.31797 [~] / cz 95325.0 [~] (Opt) D 2016ApJS..224....1R`

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`ACO 776`	`PSZ2 G231.79+31.48`	`ZwCl 2251`	`[WHL2009] J091605.7-002324`
`ACT-CL J0916.1-0024`	`PSZRX G231.76+31.49`	`[B2017] 732`	`[WHL2012] J091609.0-002226`
`AK3 J091606.48-002328`	`RXC J0916.1-0023`	`[RRB2014] RM J091617.6-002405.7`
`HSCS J091606-002338`	`SOGRAS J0916-0024`	`[SPD2011] 16`

References (32 between 1850 and 2026) (Total 32)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : ACO 776

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ACO 776 RXC J0916.1-0023

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