2005A&A...444..365W

Query : 2005A&A...444..365W

2005A&A...444..365W - Astronomy and Astrophysics, volume 444, 365-379 (2005/12-3)

EDisCS - the ESO distant cluster survey. Sample definition and optical photometry.

WHITE S.D.M., CLOWE D.I., SIMARD L., RUDNICK G., DE LUCIA G., ARAGON-SALAMANCA A., BENDER R., BEST P., BREMER M., CHARLOT S., DALCANTON J., DANTEL M., DESAI V., FORT B., HALLIDAY C., JABLONKA P., KAUFFMANN G., MELLIER Y., MILVANG-JENSEN B., PELLO R., POGGIANTI B., POIRIER S., ROETTGERING H., SAGLIA R., SCHNEIDER P. and ZARITSKY D.

Abstract (from CDS):

We present the ESO Distant Cluster Survey (EDisCS), a survey of 20 fields containing distant galaxy clusters with redshifts ranging from 0.4 to almost 1.0. Candidate clusters were chosen from among the brightest objects identified in the Las Campanas Distant Cluster Survey, half with estimated redshift zest∼0.5 and half with zest∼0.8. They were confirmed by identifying red sequences in moderately deep two colour data from VLT/FORS2. For confirmed candidates we have assembled deep three-band optical photometry using VLT/FORS2, deep near-infrared photometry in one or two bands using NTT/SOFI, deep optical spectroscopy using VLT/FORS2, wide field imaging in two or three bands using the ESO Wide Field Imager, and HST/ACS mosaic images for 10 of the most distant clusters. This first paper presents our sample and the VLT photometry we have obtained. We present images, colour-magnitude diagrams and richness estimates for our clusters, as well as giving redshifts and positions for the brightest cluster members. Subsequent papers will present our infrared photometry, spectroscopy, HST and wide-field imaging, as well as a wealth of further analysis and science results. Our reduced data become publicly available as these papers are accepted.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: evolution

VizieR on-line data: <Available at CDS (J/A+A/444/365): catalog.dat>

Nomenclature: Catalog: EDCS JHHMMSSs+DDMMSSsA N=40957.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 50

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Number of rows : 50
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME FDF reg 01 06 03.6 -25 45 46           ~ 125 0
2 ClG J0849+4452 ClG 08 48 58.8 +44 51 53           ~ 107 1
3 ClG J1018-1211 ClG 10 18 46.45 -12 11 52.8     20.35     ~ 30 0
4 EDCS J1018467-1211527 GiC 10 18 46.71 -12 11 52.7         19.682 ~ 6 1
5 EDCS J1037514-1243266 GiC 10 37 51.40 -12 43 26.6           ~ 3 1
6 ClG J1037-1243 ClG 10 37 52.6 -12 43 44           ~ 40 0
7 EDCS J1040403-1156042 GiC 10 40 40.27 -11 56 04.2         20.859 ~ 9 1
8 ClG J1040-1155 ClG 10 40 41.6 -11 55 51           ~ 56 0
9 ClG J1054-1146 ClG 10 54 24.2 -11 46 18           ~ 53 0
10 EDCS J1054244-1146194 GiC 10 54 24.40 -11 46 19.4         20.438 ~ 8 1
11 ClG J1054-1245 ClG 10 54 43.5 -12 45 50           ~ 55 0
12 EDCS J1054435-1245519 GiC 10 54 43.54 -12 45 51.9         20.713 ~ 9 1
13 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 454 0
14 EDCS J1059071-1253153 GiC 10 59 07.14 -12 53 15.3           ~ 2 1
15 ClG J1059-1253 ClG 10 59 09.5 -12 53 15           ~ 28 0
16 ClG J1103-1246 ClG 11 03 34.9 -12 46 46           ~ 21 0
17 EDCS J1103349-1246462 GiC 11 03 34.93 -12 46 46.2         20.457 ~ 7 0
18 ClG J1103-1244 ClG 11 03 36.5 -12 44 22           ~ 18 0
19 EDCS J1103365-1244223 GiC 11 03 36.55 -12 44 22.3         20.384 ~ 8 1
20 ClG J1103-1245 ClG 11 03 42.9 -12 45 18           ~ 16 1
21 ClG J1119-1129 ClG 11 19 16.5 -11 29 33           ~ 20 0
22 EDCS J1119168-1130290 GiC 11 19 16.78 -11 30 29.0         19.934 ~ 4 1
23 ClG J1122-1136 ClG 11 22 51.7 -11 36 30           ~ 12 0
24 EDCS J1122517-1136325 GiC 11 22 51.75 -11 36 32.5           ~ 1 1
25 EDCS J1138102-1133379 GiC 11 38 10.15 -11 33 37.9         19.916 ~ 8 1
26 ClG J1138-1133 ClG 11 38 10.3 -11 33 59           ~ 46 0
27 ClG J1202-1224 ClG 12 02 43.1 -12 24 31           ~ 26 0
28 EDCS J1202433-1224301 GiC 12 02 43.32 -12 24 30.1         19.757 ~ 6 1
29 ClG J1216-1201 ClG 12 16 45.10 -12 01 17.3           ~ 68 0
30 EDCS J1216453-1201176 GiC 12 16 45.26 -12 01 17.6     22.8 20.9 20.663 ~ 10 1
31 EDCS J1227539-1138173 GiC 12 27 53.86 -11 38 17.3         21.203 ~ 5 0
32 ClG J1227-1138 ClG 12 27 53.9 -11 38 20           ~ 47 0
33 EDCS J1227589-1135135 GiC 12 27 58.89 -11 35 13.5         20.555 ~ 9 1
34 EDCS J1232303-1250364 GiC 12 32 30.30 -12 50 36.4         19.916 ~ 7 1
35 ClG J1232-1250 ClG 12 32 30.5 -12 50 33           ~ 51 0
36 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1922 1
37 EDCS J1238330-1144307 GiC 12 38 33.02 -11 44 30.7         19.378 ~ 3 1
38 ClG J1238-1144 ClG 12 38 33.5 -11 44 28           ~ 14 0
39 NGC 4889 EmG 13 00 08.097 +27 58 37.29 12.93 13.0 11.30 11.652 10.906 ~ 707 1
40 ClG J1301-1138 ClG 13 01 40.1 -11 39 24           ~ 21 0
41 EDCS J1301402-1139229 GiC 13 01 40.21 -11 39 22.9         19.552 ~ 7 1
42 ClG J1353-1137 ClG 13 53 01.0 -11 37 31           ~ 27 0
43 EDCS J1353017-1137285 GiC 13 53 01.65 -11 37 28.5         19.848 ~ 6 1
44 ClG J1354-1230 ClG 13 54 09.5 -12 30 59           ~ 47 0
45 EDCS J1354098-1231015 GiC 13 54 09.80 -12 31 01.5         20.820 ~ 7 1
46 ClG J1411-1148 ClG 14 11 03.9 -11 48 22           ~ 31 0
47 EDCS J1411047-1148287 GiC 14 11 04.73 -11 48 28.7         19.608 ~ 6 1
48 ClG J1420-1236 ClG 14 20 19.4 -12 36 36           ~ 25 0
49 EDCS J1420201-1236297 GiC 14 20 20.07 -12 36 29.7         19.703 ~ 6 1
50 NAME HDF-S reg 22 32 56 -60 33.0           ~ 570 0

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