2004A&A...425..783H

Query : 2004A&A...425..783H

2004A&A...425..783H - Astronomy and Astrophysics, volume 425783-796 (2004/10-3)

Galaxy evolution in the environment of ABCG 209.

HAINES C.P., MERCURIO A., MERLUZZI P., LA BARBERA F., MASSAROTTI M., BUSARELLO G. and GIRARDI M.

Abstract (from CDS):

We examine the environmental effects on the photometric properties of galaxies for the rich galaxy cluster ABCG 209 at z=0.209. We use archive CFHT optical imaging of a 42x28arcmin² field centred on the cluster to produce a galaxy sample complete to B=25.0 and R=24.5. Both the composite and red sequence galaxy luminosity functions are found to be dependent on the local galaxy surface density, their faint-end slopes becoming shallower with increasing density. We explain this as a combination of the morphology-density relation, and dwarf galaxies being cannibalised and/or disrupted by the cD galaxy and the ICM in the cluster core. The B-R colour of the red sequence itself appears 0.02mag redder for the highest-density regions, indicative of their stellar populations being marginally (<5%) older or (<20%) more metal-rich. This may be due to the galaxies themselves forming earliest in the rarest overdensities marked by rich clusters, or their star-formation being suppressed earliest by the ICM.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: individual: Abell 209 - galaxies: luminosity function, mass fuction - galaxies: evolution

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 209	ClG	01 31 52.9	-13 36 53						~	326	0

Query : 2004A&A...425..783H

Basic data :

ACO 209 -- Cluster of Galaxies
Other object types:	`ClG (2004A&A,ACO,...)`, `C?G (2014A&A,XCLASS)`, `X (2020ApJ,RBS,...)`, `gLe (2015ApJ)`
ICRS coord. (ep=J2000) :	`01 31 52.9 -13 36 53 (X-ray) [ ] E 2021A&A...652A..12K`
FK4 coord. (ep=B1950 eq=1950) :	`01 29 25.4 -13 52 18 [ ]`
Gal coord. (ep=J2000) :	`159.8866 -73.5125 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 55218 [2218] / z(spectroscopic) 0.2048 [0.0074] / cz 61397 [2218] (Opt) D 2022A&A...658A..59X`
Angular size (arcmin):	`7.0 7.0 ~ (Rad) D` `2015ApJ...813...77Y`

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`ACO 209`	`MCXC J0131.8-1336`	`PSZRX G159.84-73.51`	`1RXS J013152.8-133651`
`ACT-CL J0131.8-1336`	`PLCKESZ G159.85-73.47`	`RBS 211`	`XCLASS 97`
`BAX 022.9895-13.5764`	`PSZ1 G159.81-73.47`	`RXC J0131.8-1336`	`[DBG99] 22`
`ClG 0129.5-1350`	`PSZ2 G159.91-73.50`	`RXGCC 74`	`[F81] 50`

References (326 between 1850 and 2026) (Total 326)
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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External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : ACO 209

Link by name to the catalogue in VizieR :

ACO 209 RXC J0131.8-1336 1RXS J013152.8-133651

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