2003A&A...407..869S


C.D.S. - SIMBAD4 rel 1.7 - 2019.12.16CET06:05:31

2003A&A...407..869S - Astronomy and Astrophysics, volume 407, 869-888 (2003/9-1)

GaBoDS: The Garching-Bonn Deep Survey. I. Anatomy of galaxy clusters in the background of NGC 300.

SCHIRMER M., ERBEN T., SCHNEIDER P., PIETRZYNSKI G., GIEREN W., CARPANO S., MICOL A. and PIERFEDERICI F.

Abstract (from CDS):

The Garching-Bonn Deep Survey (GaBoDS) is a virtual 12 square degree cosmic shear and cluster lensing survey, conducted with the WFI.2-m MPG/ESO telescope at La Silla. It consists of shallow, medium and deep random fields taken in R-band in subarcsecond seeing conditions at high galactic latitude. A substantial amount of the data was taken from the ESO archive, by means of a dedicated ASTROVIRTEL program. In the present work we describe the main characteristics and scientific goals of GaBoDS. Our strategy for mining the ESO data archive is introduced, and we comment on the Wide Field Imager data reduction as well. In the second half of the paper we report on clusters of galaxies found in the background of NGC 300, a random archival field. We use weak gravitational lensing and the red cluster sequence method for the selection of these objects. Two of the clusters found were previously known and already confirmed by spectroscopy. Based on the available data we show that there is significant evidence for substructure in one of the clusters, and an increasing fraction of blue galaxies towards larger cluster radii. Two other mass peaks detected by our weak lensing technique coincide with red clumps of galaxies. We estimate their redshifts and masses, and check for possible X-ray counterparts in deep XMM observations.

Abstract Copyright:

Journal keyword(s): cosmology: miscellaneous - galaxies: clusters: general - astronomical data bases: miscellaneous - gravitational lensing

Nomenclature: Figs 10, 14, Table 3: [SES2003] A (Nos A-D).

CDS comments: CL 0056.02 = ClG J0056-3754, CL 0056.03 = RXC J0056.0-3732. cD1 = [CHM98] Cl 0053-37 6, cD2 = [CHM98] Cl 0053-37 16.

Simbad objects: 26

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Number of rows : 26

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 300 GiG 00 54 53.4460065856 -37 41 03.182962667 8.83 8.69 8.13 7.46   ~ 1273 2
2 ACO S 102 ClG 00 55 45 -37 24.8           ~ 9 0
3 [CHM98] Cl 0053-37 12 GiC 00 55 55.66 -37 32 19.8           ~ 2 0
4 [CHM98] Cl 0053-37 20 GiC 00 55 56.25 -37 31 47.9           ~ 2 0
5 [CHM98] Cl 0053-37 13 GiC 00 55 56.80 -37 32 34.9           ~ 2 0
6 [CHM98] Cl 0053-37 7 GiC 00 55 57.57 -37 32 51.0           ~ 2 0
7 LEDA 621603 GiC 00 55 57.7 -37 32 23           ~ 3 0
8 [CHM98] Cl 0053-37 8 GiC 00 55 58.97 -37 33 00.2           ~ 2 0
9 2MASX J00555916-3732186 GiC 00 55 59.166 -37 32 18.61           ~ 3 0
10 [CHM98] Cl 0053-37 15 GiC 00 55 59.39 -37 32 34.7           ~ 2 0
11 ClG J0056-3754 ClG 00 56 -37.9           ~ 1 0
12 [CHM98] Cl 0053-37 17 GiC 00 56 01.39 -37 32 41.5           ~ 2 0
13 LEDA 621264 GiC 00 56 01.5 -37 33 31           ~ 3 0
14 [CHM98] Cl 0053-37 19 GiC 00 56 02.48 -37 32 05.2           ~ 2 0
15 [CHM98] Cl 0053-37 18 GiC 00 56 02.52 -37 32 17.5           ~ 2 0
16 [CHM98] Cl 0053-37 9 GiC 00 56 02.83 -37 33 03.4           ~ 2 0
17 ClG 0053-37 ClG 00 56 03.5 -37 32 43           ~ 21 0
18 [CHM98] Cl 0053-37 11 GiC 00 56 04.82 -37 32 50.5           ~ 2 0
19 [CHM98] Cl 0053-37 10 GiC 00 56 04.83 -37 32 59.8           ~ 2 0
20 2MASX J00560639-3733176 GiC 00 56 06.397 -37 33 17.60           ~ 3 0
21 [CHM98] Cl 0053-37 3 GiC 00 56 07.14 -37 33 49.0           ~ 2 0
22 2MASX J00560925-3733595 GiC 00 56 09.257 -37 33 59.60           ~ 2 0
23 [CHM98] Cl 0053-37 21 GiC 00 56 09.61 -37 31 48.5           ~ 2 0
24 [CHM98] Cl 0053-37 4 GiC 00 56 09.78 -37 33 39.4           ~ 2 0
25 [CHM98] Cl 0053-37 1 GiC 00 56 10.29 -37 34 07.4           ~ 2 0
26 ACO S 106 ClG 00 56 19.6 -37 53 32           ~ 11 0

    Equat.    Gal    SGal    Ecl

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2019.12.16-06:05:31

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