2000ApJ...531..684B

Query : 2000ApJ...531..684B

2000ApJ...531..684B - Astrophys. J., 531, 684-692 (2000/March-2)

Ultraviolet imaging of the galaxy cluster CL 0939+4713 (Abell 851) at z=0.41.

BUSON L.M., BERTOLA F., CAPPELLARI M., CHIOSI C., DRESSLER A. and OEMLER A.Jr

Abstract (from CDS):

The first UV F300W and F218W WFPC2 observations of the rich galaxy cluster CL 0939+4713 at z=0.41 are presented and discussed. UV/optical two-color and color-magnitude diagrams of the sources detected in the F300W waveband are constructed. Thanks to preexisting Hubble Space Telescope (HST) optical images of the same field, a morphological classification for the majority of these objects is also provided. Moreover, taking advantage of recent redshift surveys along the CL 0939+4713 line of sight, separate diagrams comparing the properties of galaxies belonging to the cluster and to its close projected field are presented. Possible evolutionary effects in the UV from z∼0.4 to the present time are investigated by comparing the rest-frame (mid-UV/optical) colors of galaxies in CL 0939+4713 with balloon-borne data of the Coma Cluster, as well as by resorting to suitable galaxy evolution models. Finally, current attempts to constrain the epoch of the UV-upturn onset in evolved populations by means of HST UV observations are discussed.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: individual (Abell 851) - Ultraviolet: Galaxies

Nomenclature: Table 1: [BBC2000] NN (Nos 1-60).

Simbad objects: 52

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Number of rows : 52
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 370 ClG 02 39 50.5 -01 35 08           ~ 825 0
2 SED ACO 851 8 BiC 09 42 55.869 +46 59 39.31           ~ 13 0
3 [MLF2000] 3215 EmG 09 42 56.54 +46 58 58.4           ~ 10 0
4 SED ACO 851 19 GiC 09 42 56.6995954920 +46 59 09.201819480           ~ 9 0
5 SED ACO 851 87 GiC 09 42 57.68 +46 59 43.9           ~ 12 0
6 SED ACO 851 10 GiC 09 42 58.017 +46 59 12.28           ~ 13 0
7 SED ACO 851 102 GiC 09 42 58.22 +46 59 51.5           ~ 11 0
8 [BBC2000] 42 GiC 09 42 58.49 +46 59 25.2           ~ 6 0
9 [BBC2000] 45 GiC 09 42 58.52 +46 59 47.3           ~ 6 0
10 ACO 851 ClG 09 43 01.2 +46 59 54   18.9       ~ 334 0
11 SED ACO 851 133 GiC 09 43 01.44 +46 59 30.4           ~ 11 0
12 [BBC2000] 28 GiC 09 43 01.8402 +46 59 50.583           ~ 7 0
13 [BBC2000] 60 GiC 09 43 02.40 +46 59 27.4           ~ 7 0
14 [BBC2000] 52 GiC 09 43 02.64 +46 58 56.7           ~ 8 0
15 [BBC2000] 30 GiC 09 43 03.44 +46 59 14.7           ~ 10 0
16 SED ACO 851 130 GiC 09 43 03.49 +46 59 24.6           ~ 8 0
17 [BBC2000] 35 GiC 09 43 04.12 +46 57 55.2           ~ 7 0
18 [BBC2000] 44 GiC 09 43 04.32 +46 59 43.6           ~ 10 0
19 SED ACO 851 49 GiC 09 43 04.7926 +46 58 15.897           ~ 12 0
20 [BBC2000] 50 GiC 09 43 05.05 +46 58 12.7           ~ 4 0
21 SED ACO 851 54 GiC 09 43 05.33 +46 59 04.2           ~ 9 0
22 [BBC2000] 39 GiC 09 43 05.87 +46 59 16.5           ~ 4 0
23 [BBC2000] 43 GiC 09 43 06.36 +46 58 50.8           ~ 8 0
24 [BBC2000] 38 GiC 09 43 07.15 +46 59 44.3           ~ 8 0
25 [VV2006] J094307.5+465941 QSO 09 43 07.561 +46 59 40.60     21.50     ~ 21 0
26 SED ACO 851 115 GiC 09 43 07.60 +46 58 11.3           ~ 8 0
27 [BBC2000] 41 GiC 09 43 07.66 +46 58 41.0           ~ 5 0
28 SED ACO 851 12 GiC 09 43 08.03 +46 59 22.6           ~ 9 0
29 SED ACO 851 98 GiC 09 43 08.27 +46 59 03.2           ~ 8 0
30 [BBC2000] 19 GiC 09 43 08.72 +46 58 58.7           ~ 6 0
31 [BBC2000] 31 GiC 09 43 08.91 +46 58 06.8           ~ 4 0
32 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
33 [BBC2000] 51 GiC ~ ~           ~ 1 0
34 [BBC2000] 47 GiC ~ ~           ~ 1 0
35 [BBC2000] 46 GiC ~ ~           ~ 1 0
36 [BBC2000] 34 GiC ~ ~           ~ 1 0
37 [BBC2000] 25 GiC ~ ~           ~ 1 0
38 [BBC2000] 16 GiC ~ ~           ~ 1 0
39 [BBC2000] 14 GiC ~ ~           ~ 1 0
40 [BBC2000] 13 GiC ~ ~           ~ 1 0
41 [BBC2000] 12 GiC ~ ~           ~ 1 0
42 [BBC2000] 56 GiC ~ ~           ~ 1 0
43 [BBC2000] 10 GiC ~ ~           ~ 1 0
44 [BBC2000] 9 GiC ~ ~           ~ 1 0
45 [BBC2000] 8 GiC ~ ~           ~ 1 0
46 [BBC2000] 7 GiC ~ ~           ~ 1 0
47 [BBC2000] 6 GiC ~ ~           ~ 1 0
48 [BBC2000] 5 GiC ~ ~           ~ 1 0
49 [BBC2000] 4 GiC ~ ~           ~ 1 0
50 [BBC2000] 3 GiC ~ ~           ~ 1 0
51 [BBC2000] 2 GiC ~ ~           ~ 1 0
52 [BBC2000] 11 GiC ~ ~           ~ 1 0

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