2002A&A...396..397B

Query : 2002A&A...396..397B

2002A&A...396..397B - Astronomy and Astrophysics, volume 396, 397-409 (2002/12-3)

A deep cluster survey in Chandra archival data. First results.

BOSCHIN W.

Abstract (from CDS):

I present the first results of a search for clusters of galaxies in Chandra ACIS pointed observations at high galactic latitude with exposure times larger than 10ks. The survey is being carried out using the Voronoi Tessellation and Percolation technique, which is particularly suited for the detection and accurate quantification of extended and/or low surface brightness emission in X-ray imaging observations. A new catalogue of 36 cluster candidates has been created from 5.55deg2 of surveyed area. Five of these candidates have already been associated to visible enhancements of the projected galaxy distribution in low deepness DSS-II fields and are probably low-to moderate redshift systems. Three of the candidates have been identified in previous ROSAT-based surveys. I show that a significative fraction (30-40%) of the candidate clusters are probably intermediate to high redshift systems. In this paper I publish the catalogue of these first candidate clusters. I also derive the number counts of clusters and compare it with the results of deep ROSAT-based cluster surveys.

Abstract Copyright: ∼

Journal keyword(s): cosmology: large-scale structure of Universe - galaxies: clusters: general - X-rays: galaxies: clusters

VizieR on-line data: <Available at CDS (J/A+A/396/397): table1.dat>

Nomenclature: Table 1: [B2002c] NN (Nos 1-36).

Simbad objects: 36

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Number of rows : 36
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 XCLASS 572 ClG 00 31 01.3 +26 26 39           ~ 3 0
2 [B2002c] 2 ClG 01 36 43.0 +20 48 51           ~ 2 0
3 [B2002c] 3 ClG 02 57 33.1 -23 24 06           ~ 1 0
4 [B2002c] 4 ClG 03 05 52.5 +03 50 38           ~ 1 0
5 XCLASS 2049 ClG 03 37 50.4 -23 04 23           ~ 3 0
6 [B2002c] 6 ClG 04 54 01.2 -03 08 40           ~ 2 0
7 [B2002c] 7 ClG 04 54 39.3 -03 07 40           ~ 1 0
8 [B2002c] 8 ClG 04 55 04.7 -10 12 01           ~ 1 0
9 [B2002c] 9 ClG 04 55 09.5 -10 10 31           ~ 1 0
10 [B2002c] 10 ClG 05 42 40.0 -40 54 56           ~ 1 0
11 [B2002c] 11 ClG 08 20 02.4 +63 45 40           ~ 1 0
12 [B2002c] 12 ClG 08 52 22.8 +51 22 46           ~ 1 0
13 [B2002c] 13 ClG 08 53 01.4 +51 13 18           ~ 1 0
14 [B2002c] 14 ClG 09 10 08.4 +54 18 54           ~ 3 0
15 [B2002c] 15 ClG 09 31 03.2 +79 13 19           ~ 2 0
16 [B2002c] 16 ClG 09 54 26.4 +68 54 43           ~ 1 0
17 [B2002c] 17 ClG 10 35 13.5 +57 50 18           ~ 2 0
18 CDGS 32 ClG 10 35 25.5 +57 50 50           ~ 6 0
19 [B2002c] 19 ClG 10 56 12.6 -03 35 04           ~ 1 0
20 BAX 169.3587+07.7264 ClG 11 17 26.1 +07 43 35           ~ 32 0
21 BLOX J1117.5+0746.3 ClG 11 17 29.64 +07 46 49.1           ~ 12 0
22 [B2002c] 22 ClG 11 40 08.2 -26 31 35           ~ 2 0
23 [B2002c] 23 ClG 13 16 54.2 +29 14 22           ~ 3 0
24 [B2002c] 24 ClG 13 17 13.2 +29 18 32           ~ 1 0
25 [B2002c] 25 ClG 13 37 40.7 +29 25 53           ~ 2 0
26 ZwCl 1358+6245 ClG 13 59 54.3 +62 30 36     18.5     ~ 361 0
27 [B2002c] 27 ClG 14 32 31.3 -01 08 15           ~ 1 0
28 [B2002c] 28 ClG 15 34 01.4 +23 36 03           ~ 1 0
29 [B2002c] 29 ClG 15 39 59.5 -03 02 20           ~ 1 0
30 CXOMP J154932.0+213300 ClG 15 49 32.0 +21 33 00           ~ 8 0
31 [B2002c] 31 ClG 16 23 59.4 +26 38 57           ~ 1 0
32 [B2002c] 32 ClG 16 36 37.4 +41 07 50           ~ 2 0
33 [B2002c] 33 ClG 17 03 07.8 +51 33 41           ~ 1 0
34 [B2002c] 34 ClG 20 43 57.0 +77 10 48           ~ 1 0
35 [B2002c] 35 ClG 22 12 53.4 -22 09 37           ~ 1 0
36 [B2002c] 36 ClG 23 02 53.5 +08 48 42           ~ 2 0

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