CDS

2005A&A...444..685B

Query : 2005A&A...444..685B

2005A&A...444..685B - Astronomy and Astrophysics, volume 444, 685-695 (2005/12-4)

VGCF detection of galaxy systems at intermediate redshifts.

BARRENA R., RAMELLA M., BOSCHIN W., NONINO M., BIVIANO A. and MEDIAVILLA E.

Abstract (from CDS):

We continue the development of our Voronoi Galaxy Cluster Finder (VGCF) technique by applying it to galaxy catalogs obtained with B and R band observations of four high galactic latitude fields of 0.5x0.5 square degrees each. These fields are deep (Rlim∼23, Blim∼26) and partially overlap the Palomar Distant Cluster Survey (PDCS) fields at 0h and 2h. We run the VGCF also on the original V and I band PDCS galaxy catalogs. We identify a total of 48 clusters that are particularly reliable, being detected in at least two bands. The analysis of color-magnitude diagrams and, in a few cases, spectroscopic observations allow us to further increase the reliability of 25 of the 48 clusters. For these 26 clusters we also estimate redshifts that fall in the approximate range 0.2<z<0.6. We detect 41 VGCF clusters within the strict limits of the PDCS fields at 0h and 2h. The PDCS catalog for the same regions consists of 28 clusters. The two catalogs have 20 clusters in common. These clusters together with the remaining PDCS and VGCF clusters lead to a total number of 46 ``independent'' clusters. The total number of clusters is therefore 20% larger than the number of VGCF clusters and more than 60% larger than the number of PDCS clusters. These results confirm a) that the VGCF is a competitive algorithm for the identification of optical clusters, and b) that a combined catalog of matched-filter and VGCF clusters constitutes a significant progress toward a more complete selection of clusters from bidimensional optical data.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general - galaxies: distances and redshifts

VizieR on-line data: <Available at CDS (J/A+A/444/685): table5.dat>

Nomenclature: Table 5: [BRB2005] VNN (Nos V1-V48). Table 6: [BRB2005] V4 N (Nos 1-9), [BRB2005] V6 N (Nos 1-9), [BRB2005] P33 NN (Nos 1-10), [BRB2005] P36 N (Nos 1-3), [BRB2005] P63 N (Nos 1-2).

CDS comments: In reference list: Postman, M., Lubin, L. M., Gunn, J.E., et al. (PLG96) should be 1996AJ....111..615P and not A&AS, 137, 83.

Simbad objects: 110

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Number of rows : 110
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023 		#notes
1 [BRB2005] V09 ClG 00 26 29.5 +05 41 17           ~ 1 0
2 [BRB2005] V10 ClG 00 26 41.3 +05 47 38           ~ 1 0
3 [BRB2005] V34 ClG 00 27 29.3 +05 33 00           ~ 1 0
4 [BRB2005] V11 ClG 00 27 30.5 +05 56 46           ~ 1 0
5 ClG 0025+0455 ClG 00 27 38 +05 12.5           ~ 6 0
6 ClG 0025+0539 ClG 00 27 53.5 +05 57 11           ~ 6 0
7 [BRB2005] V12 ClG 00 27 55.0 +05 59 20           ~ 1 0
8 PDCS 8 ClG 00 28 31.4 +05 18 01           ~ 6 0
9 [BRB2005] V01 ClG 00 28 31.7 +05 18 18           ~ 1 0
10 PDCS 3 ClG 00 28 36.6 +05 07 44           ~ 6 0
11 [BRB2005] V02 ClG 00 28 37.0 +05 07 48           ~ 1 0
12 PDCS 10 ClG 00 28 52.1 +05 49 12           ~ 4 0
13 [BRB2005] V35 ClG 00 28 55.2 +05 48 04           ~ 1 0
14 [BRB2005] V04 ClG 00 29 02.9 +05 01 30           ~ 1 0
15 [BRB2005] V03 ClG 00 29 02.9 +05 01 30           ~ 1 0
16 PDCS 1 ClG 00 29 03.0 +05 01 23           ~ 7 0
17 [BRB2005] V06 5 GiC 00 29 09.6 +05 13 50           ~ 1 0
18 [BRB2005] V04 4 GiC 00 29 10.1 +05 09 10           ~ 1 0
19 [BRB2005] V04 7 GiC 00 29 11.0 +05 08 45           ~ 1 0
20 [BRB2005] V04 3 GiC 00 29 11.0 +05 09 27           ~ 1 0
21 [BRB2005] V04 2 GiC 00 29 12.1 +05 08 32           ~ 1 0
22 [BRB2005] V04 1 GiC 00 29 13.1 +05 09 15           ~ 1 0
23 [BRB2005] V06 1 GiC 00 29 13.7 +05 17 04           ~ 1 0
24 [BRB2005] V05 ClG 00 29 13.7 +05 26 56           ~ 1 0
25 [BRB2005] V04 6 GiC 00 29 14.4 +05 07 58           ~ 1 0
26 [BRB2005] V04 5 GiC 00 29 15.6 +05 07 11           ~ 1 0
27 [BRB2005] V06 8 GiC 00 29 15.8 +05 17 37           ~ 1 0
28 [BRB2005] V04 8 GiC 00 29 15.9 +05 10 03           ~ 1 0
29 [BRB2005] V06 6 GiC 00 29 15.9 +05 17 49           ~ 1 0
30 [BRB2005] V06 2 GiC 00 29 16.0 +05 17 45           ~ 1 0
31 [BRB2005] V06 3 GiC 00 29 16.1 +05 17 56           ~ 1 0
32 [BRB2005] V06 ClG 00 29 16.3 +05 18 14           ~ 1 0
33 [BRB2005] V04 9 GiC 00 29 17.7 +05 10 00           ~ 1 0
34 [BRB2005] V06 4 GiC 00 29 18.6 +05 19 01           ~ 1 0
35 [BRB2005] V06 9 GiC 00 29 23.7 +05 20 33           ~ 1 0
36 [BRB2005] V06 7 GiC 00 29 25.6 +05 17 06           ~ 1 0
37 PDCS 2 ClG 00 29 28.4 +05 04 02           ~ 7 0
38 [BRB2005] V07 ClG 00 29 31.2 +05 03 40           ~ 1 0
39 ClG 0027.2+0535 ClG 00 29 41.3 +05 50 35           ~ 8 0
40 [BRB2005] V37 ClG 00 29 48.5 +05 58 08           ~ 1 0
41 [BRB2005] V08 ClG 00 29 51 +05 12.5           ~ 1 0
42 PDCS 6 ClG 00 29 52.2 +05 12 35           ~ 6 0
43 PDCS 9 ClG 00 30 46.3 +05 37 23           ~ 4 0
44 [BRB2005] V38 ClG 00 30 47.8 +05 37 44           ~ 1 0
45 [BRB2005] V39 ClG 00 30 53.5 +05 54 58           ~ 1 0
46 [BRB2005] V40 ClG 00 30 55.2 +05 14 49           ~ 1 0
47 PDCS 7 ClG 00 30 56.2 +05 14 57           ~ 2 0
48 [BRB2005] V41 ClG 00 31 16.1 +05 16 37           ~ 1 0
49 PDCS 13 ClG 00 31 20.0 +05 33 29           ~ 2 0
50 PDCS 4 ClG 00 31 45.7 +05 25 28           ~ 7 0
51 ACO 118 ClG 00 55 43.9 -26 24 46           ~ 44 0
52 [BRB2005] V26 ClG 02 25 19.0 +00 49 37           ~ 1 0
53 [BRB2005] V27 ClG 02 25 43.7 +00 49 55           ~ 1 0
54 [BRB2005] V28 ClG 02 25 47.3 +01 07 05           ~ 1 0
55 [BRB2005] V29 ClG 02 26 06.5 +01 11 02           ~ 1 0
56 [BRB2005] V30 ClG 02 26 25.7 +01 00 40           ~ 1 0
57 [BRB2005] V31 ClG 02 26 35.3 +01 12 58           ~ 1 0
58 [BRB2005] V32 ClG 02 26 39.6 +00 57 50           ~ 1 0
59 PDCS 21 ClG 02 26 43.6 +00 58 11           ~ 4 0
60 PDCS 22 ClG 02 26 51.5 +01 05 41           ~ 4 0
61 [BRB2005] V33 ClG 02 26 53.3 +01 06 29           ~ 1 0
62 [BRB2005] V14 ClG 02 26 56.4 +01 03 14           ~ 1 0
63 [BRB2005] V15 ClG 02 27 08.9 +01 03 25           ~ 1 0
64 PDCS 19 ClG 02 27 19.5 +00 46 30           ~ 4 0
65 [BRB2005] V16 ClG 02 27 20.9 +01 09 18           ~ 1 0
66 PDCS 14 ClG 02 27 24.7 +00 25 49           ~ 4 0
67 PDCS 18 ClG 02 27 25.5 +00 40 04           ~ 6 0
68 [BRB2005] V42 ClG 02 27 25.9 +00 25 19           ~ 1 0
69 [BRB2005] V43 ClG 02 27 29.8 +00 39 07           ~ 1 0
70 [BRB2005] V17 ClG 02 27 42.2 +00 59 24           ~ 1 0
71 [BRB2005] V18 ClG 02 27 48.0 +01 13 44           ~ 1 0
72 PDCS 23 ClG 02 27 53.0 +01 04 52           ~ 5 0
73 [BRB2005] V45 ClG 02 28 02.4 +00 40 52           ~ 1 0
74 [BRB2005] V20 ClG 02 28 15.6 +01 13 55           ~ 1 0
75 [BRB2005] V21 ClG 02 28 23.5 +01 30 40           ~ 1 0
76 ClG J0228+0030 ClG 02 28 26.5 +00 32 20           ~ 6 0
77 [BRB2005] V22 ClG 02 28 27.1 +01 27 54           ~ 1 0
78 [BRB2005] V46 ClG 02 28 27.8 +00 31 26           ~ 1 0
79 PDCS 20 ClG 02 28 32.4 +00 57 18           ~ 5 0
80 [BRB2005] V24 ClG 02 28 43.4 +01 28 05           ~ 1 0
81 PDCS 28 ClG 02 28 48.0 +01 23 23           ~ 2 0
82 [BRB2005] V25 ClG 02 28 49.7 +01 23 13           ~ 1 0
83 PDCS 27 ClG 02 29 37.9 +01 21 55           ~ 3 0
84 PDCS 25 ClG 02 29 42.5 +01 08 49           ~ 4 0
85 PDCS 26 ClG 02 29 47.8 +00 39 11           ~ 2 0
86 [BRB2005] V47 ClG 02 30 07.9 +00 46 16           ~ 1 0
87 PDCS 15 ClG 02 30 21.0 +00 26 21           ~ 5 0
88 ClG 0227+0024 ClG 02 30 23 +00 37.9           ~ 5 0
89 PDCS 24 ClG 02 30 23.0 +01 09 29           ~ 4 0
90 [BRB2005] P33 9 GiC 09 51 40.1 +47 14 09           ~ 1 0
91 [BRB2005] P33 8 GiC 09 51 49.2 +47 14 18           ~ 1 0
92 [BRB2005] P33 7 GiC 09 52 00.7 +47 16 12           ~ 1 0
93 [BRB2005] P33 5 GiC 09 52 05.6 +47 15 50           ~ 1 0
94 [BRB2005] P33 1 GiC 09 52 11.7 +47 16 21           ~ 1 0
95 [BRB2005] P33 2 GiC 09 52 12.8 +47 16 39           ~ 1 0
96 [BRB2005] P33 4 GiC 09 52 12.9 +47 17 29           ~ 1 0
97 PDCS 33 ClG 09 52 13.1 +47 16 48           ~ 7 0
98 [BRB2005] P33 3 GiC 09 52 14.2 +47 14 12           ~ 1 0
99 [BRB2005] P33 6 GiC 09 52 18.3 +47 14 26           ~ 1 0
100 [BRB2005] P33 10 GiC 09 52 50.6 +47 13 37           ~ 1 0
101 PDCS 36 ClG 09 53 53.7 +47 40 14           ~ 11 0
102 DES J095353.88+474010.1 GiC 09 53 53.8838 +47 40 10.195           ~ 2 0
103 SDSS J095353.99+474022.4 GiC 09 53 54.0032377320 +47 40 22.472681088     18.59     ~ 5 0
104 DES J095354.22+474034.7 GiC 09 53 54.2265 +47 40 34.764           ~ 2 0
105 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 4695 2
106 ClG 1322+3028 ClG 13 24 20.700 +30 12 40.30           ~ 22 0
107 [BRB2005] P63 1 BiC 13 24 20.905 +30 12 42.69           ~ 3 0
108 [BRB2005] P63 2 GiC 13 24 21.5 +30 13 01           ~ 1 0
109 PDCS 53 ClG 13 25 01.1 +29 43 05           ~ 5 0
110 [BRB2005] V44 ClG ~ ~           ~ 1 0

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2023.09.25-14:49:48

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