2001MNRAS.327..588P


Query : 2001MNRAS.327..588P

2001MNRAS.327..588P - Mon. Not. R. Astron. Soc., 327, 588-600 (2001/October-3)

The Las Campanas/AAT rich cluster survey - I. Precision and reliability of the photometric catalogue.

PIMBBLET K.A., SMAIL I., EDGE A.C., COUCH W.J., O'HELY E. and ZABLUDOFF A.I.

Abstract (from CDS):

The Las Campanas Observatory and Anglo-Australian Telescope Rich Cluster Survey (LARCS) is a panoramic imaging and spectroscopic survey of an X-ray luminosity-selected sample of 21 clusters of galaxies at 0.07<z<0.16. Charge-coupled device (CCD) imaging was obtained in B and R of typically 2° wide regions centred on the 21 clusters, and the galaxy sample selected from the imaging is being used for an on-going spectroscopic survey of the clusters with the 2dF spectrograph on the Anglo-Australian Telescope. This paper presents the reduction of the imaging data and the photometric analysis used in the survey. Based on an overlapping area of 12.3deg2 we compare the CCD-based LARCS catalogue with the photographic-based galaxy catalogue used for the input to the 2dF Galaxy Redshift Survey (2dFGRS) from the APM, to the completeness of the GRS/APM catalogue, bJ=19.45. This comparison confirms the reliability of the photometry across our mosaics and between the clusters in our survey. This comparison also provides useful information concerning the properties of the GRS/APM. The stellar contamination in the GRS/APM galaxy catalogue is confirmed as around 5-10 per cent, as originally estimated. However, using the superior sensitivity and spatial resolution in the LARCS survey evidence is found for four distinct populations of galaxies that are systematically omitted from the GRS/APM catalogue. The characteristics of the `missing' galaxy populations are described, reasons for their absence examined and the impact they will have on the conclusions drawn from the 2dF Galaxy Redshift Survey are discussed.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): catalogues - surveys - galaxies: photometry

VizieR on-line data: <Available at CDS (J/MNRAS/327/588): table1.dat>

Nomenclature: Fig.9: LARCS aNNNNrNN-NNNN N=24.

CDS comments: the first image is unreadable.

Simbad objects: 44

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Number of rows : 44
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 ACO 22 ClG 00 20 34.8 -25 41 51           ~ 97 0
2 LARCS a0022r13-839 GiC 00 20 41.65 -25 30 11.6   18.62   16.92   ~ 2 0
3 LARCS a0022r13-605 GiC 00 20 56.04 -25 26 53.0   17.73   16.92   ~ 2 0
4 ACO 2811 ClG 00 42 08.82 -28 32 08.8           ~ 61 0
5 ACO 3112 ClG 03 17 52.4 -44 14 35           ~ 298 1
6 ACO 550 ClG 05 52 38 -21 04.4           ~ 43 0
7 ACO 3378 ClG 06 05 52.6923 -35 18 32.801           ~ 73 1
8 ACO 644 ClG 08 17 24.5 -07 30 46           ~ 210 0
9 LARCS a1084r10-1808 GiC 10 41 29.53 -07 28 16.4   19.08   18.02   ~ 2 0
10 6dFGS gJ104326.2-072446 GiC 10 43 26.2266957432 -07 24 45.655424496   18.20   16.28   ~ 3 0
11 ACO 1084 ClG 10 44 37.1 -07 04 47           ~ 70 0
12 LARCS a1084r13-1317 GiC 10 44 55.68 -06 38 19.5   17.46   16.88   ~ 2 0
13 ACO 1285 ClG 11 30 25.4 -14 33 33           ~ 58 0
14 ACO 1437 ClG 12 00 24.5 +03 19 52           ~ 67 0
15 2dFGRS TGN131Z285 GiC 12 55 33.3122168256 -04 15 22.098245832   16.873   15.461   ~ 5 0
16 ACO 1650 ClG 12 58 36.76 -01 43 34.2           ~ 280 0
17 ACO 1651 ClG 12 59 22.43 -04 11 47.1           ~ 278 0
18 LARCS a1650r13-825 GiC 12 59 23.10 -01 20 54.3   18.64   17.05   ~ 2 0
19 LARCS a1651r03-239 GiC 13 00 00.69 -04 21 16.5   18.94   18.06   ~ 2 0
20 2MASX J13003113-0211049 Sy2 13 00 31.1216896632 -02 11 05.080155540   19.65 18.86 16.28   ~ 6 0
21 LEDA 214054 GiP 13 01 00.6 -01 58 36   17.21   17.01   ~ 7 0
22 ACO 1664 ClG 13 03 42.4 -24 14 44           ~ 118 0
23 ACO 2055 ClG 15 18 41.30 +06 12 39.6           ~ 101 0
24 ACO 2104 ClG 15 40 06.8 -03 17 39           ~ 104 0
25 ACO 2204 ClG 16 32 45.7 +05 34 43           ~ 415 0
26 ACO 2345 ClG 21 27 09.80 -12 09 58.8           ~ 122 1
27 ACO 3814 ClG 21 49 07.24 -30 42 06.4           ~ 52 0
28 ACO 3888 ClG 22 34 23.0 -37 43 29           ~ 130 1
29 ACO 3921 ClG 22 49 38.6 -64 23 15           ~ 141 1
30 ACO 2496 ClG 22 50 57.8 -16 24 05           ~ 36 0
31 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 519 0
32 LARCS a0022r24-48 GiC ~ ~           ~ 1 0
33 LARCS a1084r15-1884 GiC ~ ~           ~ 1 0
34 LARCS a0022r03-1196 GiC ~ ~           ~ 1 0
35 LARCS a1651r17-917 GiC ~ ~           ~ 1 0
36 LARCS a1651r22-1094 GiC ~ ~           ~ 1 0
37 LARCS a1650r04-407 GiC ~ ~           ~ 1 0
38 LARCS a1650r17-856 GiC ~ ~           ~ 1 0
39 LARCS a1651r01-756 GiC ~ ~           ~ 1 0
40 LARCS a0022r09-342 GiC ~ ~           ~ 1 0
41 LARCS a1650r17-66 GiC ~ ~           ~ 1 0
42 LARCS a1084r04-238 GiC ~ ~           ~ 1 0
43 LARCS a1651r18-227 GiC ~ ~           ~ 1 0
44 LARCS a1651r04-1836 GiC ~ ~           ~ 1 0

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2022.10.02-23:38:38

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