1999AJ....118.2002H

Query : 1999AJ....118.2002H

1999AJ....118.2002H - Astron. J., 118, 2002-2013 (1999/November-0)

Spectroscopic observations of optically selected clusters of galaxies from the Palomar distant cluster survey.

HOLDEN B.P., NICHOL R.C., ROMER A.K., METEVIER A., POSTMAN M., ULMER M.P. and LUBIN L.M.

Abstract (from CDS):

We have conducted a redshift survey of 16 cluster candidates from the Palomar Distant Cluster Survey (PDCS) to determine both the density of PDCS clusters and the accuracy of the estimated redshifts presented in the PDCS catalog. We find that the matched-filter redshift estimate presented in the PDCS has an error σz=0.06 in the redshift range 0.1≤z≤0.35 based on eight cluster candidates with three or more concordant galaxy redshifts. We measure the low-redshift (0.1≤z≤0.35) space density of PDCS clusters to be 31.3+30.5–17.1x10–6 h3 Mpc–3 (68% confidence limits for a Poisson distribution) for richness class 1 systems. We find a tentative space density of 10.4+23.4–8.4x10–6 h3 Mpc–3 for richness class 2 clusters. These densities compare favorably with those found for the whole of the PDCS and support the finding that the space density of clusters in the PDCS is a factor of ≃5 above that of clusters in the Abell catalog. These new space density measurements were derived as independently as possible from the original PDCS analysis and therefore demonstrate the robustness of the original work. Based on our survey, we conclude that the PDCS matched-filter algorithm is successful in detecting real clusters and in estimating their true redshifts in the redshift range we surveyed.

Abstract Copyright: ∼

Journal keyword(s): Catalogs - Galaxies: Clusters: General

Nomenclature: Table 2: [HNR99] PDCS NN NNN N=84.

Simbad objects: 101

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Number of rows : 101
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 2MASX J00273672+0509429 GiC 00 27 36.7555981536 +05 09 42.288521544     17.79     ~ 1 0
2 [HNR99] PDCS 05 2 GiC 00 27 37.06 +05 09 31.5     18.35     ~ 1 0
3 ClG 0025+0455 ClG 00 27 38 +05 12.5           ~ 6 0
4 [HNR99] PDCS 05 3 GiC 00 27 43.8249473492 +05 09 25.459987714     18.70     ~ 2 0
5 [HNR99] PDCS 12 111 GiC 00 27 50.81 +05 55 36.0     20.22     ~ 1 0
6 [HNR99] PDCS 12 109 GiC 00 27 52.22 +05 55 31.3     19.67     ~ 1 0
7 ClG 0025+0539 ClG 00 27 53.5 +05 57 11           ~ 6 0
8 [HNR99] PDCS 12 124 GiC 00 27 55.2417 +05 57 00.964     20.94     ~ 2 0
9 [HNR99] PDCS 12 105 GiC 00 27 55.92 +05 55 10.3     19.89     ~ 1 0
10 [HNR99] PDCS 12 130 GiC 00 27 56.2039 +05 58 00.602     20.65     ~ 2 0
11 [HNR99] PDCS 12 122 GiC 00 27 56.7964 +05 56 40.977     20.94     ~ 2 0
12 [HNR99] PDCS 12 131 GiC 00 27 57.34 +05 58 00.4     20.43     ~ 1 0
13 [HNR99] PDCS 12 116 GiC 00 28 00.3536 +05 56 24.148     19.27     ~ 2 0
14 [HNR99] PDCS 12 132 GiC 00 28 06.2677332456 +05 58 06.261836268     19.65     ~ 2 0
15 [HNR99] PDCS 02 1 GiC 00 29 23.15 +05 04 27.6     18.74     ~ 1 0
16 [HNR99] PDCS 02 105 GiC 00 29 23.42 +05 02 40.8     20.36     ~ 1 0
17 [HNR99] PDCS 02 111 GiC 00 29 26.93 +05 03 43.1     19.80     ~ 1 0
18 PDCS 2 ClG 00 29 28.4 +05 04 02           ~ 7 0
19 [HNR99] PDCS 02 119 GiC 00 29 36.23 +05 04 53.8     19.59     ~ 1 0
20 [HNR99] PDCS 02 4 GiC 00 29 36.23 +05 04 53.8     19.59     ~ 1 0
21 [HNR99] PDCS 02 2 GiC 00 29 36.36 +05 03 16.8   18.98       ~ 1 0
22 [HNR99] PDCS 11 112 GiC 00 29 36.73 +05 51 40.6     20.22     ~ 1 0
23 [HNR99] PDCS 02 3 GiC 00 29 36.89 +05 03 05.7     19.42     ~ 1 0
24 ClG 0027.2+0535 ClG 00 29 41.3 +05 50 35           ~ 8 0
25 [HNR99] PDCS 11 106 GiC 00 29 42.26 +05 51 04.0     20.37     ~ 1 0
26 [HNR99] PDCS 11 105 GiC 00 29 47.23 +05 50 47.6     19.81     ~ 1 0
27 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
28 [HNR99] PDCS 23 117 GiC 02 27 46.41 +01 05 13.1     19.75     ~ 1 0
29 2MASX J02274883+0105186 GiC 02 27 48.8485329072 +01 05 18.613758156     16.85     ~ 2 0
30 PDCS 23 ClG 02 27 53.0 +01 04 52           ~ 5 0
31 [HNR99] PDCS 23 125 GiC 02 27 53.36 +01 05 58.8     20.97     ~ 1 0
32 [HNR99] PDCS 23 112 GiC 02 27 54.00 +01 04 47.5     18.97     ~ 1 0
33 2MASX J02275863+0105556 GiC 02 27 58.6613950008 +01 05 56.156864712     17.49     ~ 2 0
34 2MASX J02275976+0103206 GiC 02 27 59.8010727048 +01 03 21.110341536     17.96     ~ 2 0
35 LEDA 1183807 GiC 02 28 00.131 +01 04 36.46     17.71     ~ 3 0
36 [HNR99] PDCS 38 109 GiC 09 51 07.04 +47 44 06.9     20.09     ~ 1 0
37 [HNR99] PDCS 38 107 GiC 09 51 08.91 +47 43 43.2     20.47     ~ 1 0
38 ClG 0947+4758 ClG 09 51 09.9 +47 43 54           ~ 9 0
39 [HNR99] PDCS 38 110 GiC 09 51 10.41 +47 44 09.3     19.80     ~ 1 0
40 [HNR99] PDCS 38 112 GiC 09 51 11.13 +47 46 16.4     20.53     ~ 1 0
41 [HNR99] PDCS 40 117 GiC 09 53 14.52 +47 59 59.8     19.39     ~ 1 0
42 [HNR99] PDCS 40 104 GiC 09 53 20.68 +47 57 00.2     20.30     ~ 1 0
43 [HNR99] PDCS 40 105 GiC 09 53 23.85 +47 57 38.0     18.58     ~ 1 0
44 PDCS 40 ClG 09 53 25.6 +47 58 54           ~ 5 0
45 [HNR99] PDCS 40 116 GiC 09 53 28.54 +47 59 43.9     19.26     ~ 1 0
46 [HNR99] PDCS 42 109 GiC 09 53 38.38 +47 58 30.0     19.69     ~ 1 0
47 [HNR99] PDCS 40 109 GiC 09 53 38.38 +47 58 30.0     19.69     ~ 1 0
48 [HNR99] PDCS 42 111 GiC 09 53 45.93 +47 59 08.8     19.69     ~ 1 0
49 [HNR99] PDCS 36 107 GiC 09 53 48.07 +47 39 05.4     20.84     ~ 1 0
50 [HNR99] PDCS 42 107 GiC 09 53 49.04 +47 58 26.9     20.60     ~ 1 0
51 SDSS J095349.07+473944.1 BiC 09 53 49.076 +47 39 44.14     19.57     ~ 2 0
52 [HNR99] PDCS 42 104 GiC 09 53 51.95 +47 55 54.5     20.78     ~ 1 0
53 PDCS 36 ClG 09 53 53.7 +47 40 14           ~ 11 0
54 SDSS J095353.99+474022.4 GiC 09 53 54.0032377320 +47 40 22.472681088     18.59     ~ 5 0
55 PDCS 42 ClG 09 53 54.3 +48 00 03           ~ 6 0
56 [HNR99] PDCS 36 109 GiC 09 53 57.18 +47 39 14.6     19.72     ~ 1 0
57 [HNR99] PDCS 42 105 GiC 09 54 00.92 +47 58 03.6     20.83     ~ 1 0
58 [HNR99] PDCS 36 112 GiC 09 54 03.91 +47 40 03.9     20.47     ~ 1 0
59 DES J095405.17+474132.5 GiC 09 54 05.1754 +47 41 32.596     19.84     ~ 3 0
60 [HNR99] PDCS 41 108 GiC 09 54 24.53 +47 58 57.8     20.53     ~ 1 0
61 ClG 0951+4813 ClG 09 54 26 +47 58.9           ~ 7 0
62 [HNR99] PDCS 41 106 GiC 09 54 27.05 +47 58 52.3     19.64     ~ 1 0
63 [HNR99] PDCS 41 107 GiC 09 54 28.71 +47 58 55.9     20.27     ~ 1 0
64 [HNR99] PDCS 41 109 GiC 09 54 30.65 +48 00 19.6     20.13     ~ 1 0
65 [HNR99] PDCS 30 107 GiC 09 54 38.38 +47 10 24.8     19.20     ~ 1 0
66 [HNR99] PDCS 30 103 GiC 09 54 39.58 +47 08 44.9     19.88     ~ 1 0
67 [HNR99] PDCS 30 102 GiC 09 54 44.03 +47 08 36.5     20.10     ~ 1 0
68 PDCS 30 ClG 09 54 46.3 +47 10 47           ~ 8 0
69 [HNR99] PDCS 30 104 GiC 09 54 46.32 +47 09 50.2     19.63     ~ 1 0
70 [HNR99] PDCS 34 103 BiC 09 55 03.419 +47 28 34.10     19.73     ~ 3 0
71 [HNR99] PDCS 34 105 GiC 09 55 04.26 +47 29 49.4     20.98     ~ 1 0
72 SDSS J095506.04+472905.1 BiC 09 55 06.048 +47 29 05.10     19.67     ~ 5 0
73 [XZM2002] T329 7 BiC 09 55 08.9206116336 +47 29 54.056562180     19.75     ~ 5 0
74 PDCS 34 ClG 09 55 09.1 +47 29 54           ~ 7 0
75 [XZM2002] T329 8 GiC 09 55 12.7349 +47 30 32.331     20.99     ~ 3 0
76 [HNR99] PDCS 34 113 GiC 09 55 19.81 +47 30 47.5     20.78     ~ 1 0
77 CAIRNS J132334.09+302116.3 GiC 13 23 34.09 +30 21 16.3     20.01     ~ 2 0
78 CAIRNS J132335.37+302322.4 GiC 13 23 35.37 +30 23 22.4     19.77     ~ 2 0
79 [HNR99] PDCS 62 114 GiC 13 23 36.18 +30 23 50.9     20.91     ~ 1 0
80 CAIRNS J132337.12+301152.3 GiC 13 23 37.12 +30 11 52.3     19.24     ~ 2 0
81 [HNR99] PDCS 62 110 GiC 13 23 37.16 +30 22 52.8     20.90     ~ 1 0
82 [HNR99] PDCS 60 102 GiC 13 23 38.67 +30 10 00.8     19.41     ~ 1 0
83 NSCS J132336+302223 ClG 13 23 39.0 +30 22 26           ~ 15 0
84 PDCS 60 ClG 13 23 39.0 +30 12 11           ~ 4 0
85 CAIRNS J132339.12+301152.0 GiC 13 23 39.12 +30 11 52.0     19.88     ~ 2 0
86 [HNR99] PDCS 62 107 GiC 13 23 39.69 +30 22 20.4     20.87     ~ 1 0
87 CAIRNS J132341.83+302152.8 GiC 13 23 41.83 +30 21 52.8   20.761 19.26     ~ 3 0
88 CAIRNS J132342.24+300447.4 GiC 13 23 42.24 +30 04 47.4     20.44     ~ 2 0
89 CAIRNS J132343.96+300331.5 GiC 13 23 43.96 +30 03 31.5     20.83     ~ 2 0
90 CAIRNS J132344.63+300414.4 GiC 13 23 44.84 +30 04 12.7     17.56     ~ 2 0
91 RCS J132348+3003.4 ClG 13 23 47.3 +30 03 30           ~ 10 0
92 [HNR99] PDCS 57 106 GiC 13 23 48.24 +30 03 29.6     19.55     ~ 1 0
93 [HNR99] PDCS 57 105 GiC 13 23 48.35 +30 03 04.8     19.90     ~ 1 0
94 [HNR99] PDCS 57 108 GiC 13 23 55.55 +30 03 53.7     20.52     ~ 1 0
95 [HNR99] PDCS 61 111 GiC 13 26 53.10 +30 18 17.6     20.37     ~ 1 0
96 DES J132657.86+302023.8 GiC 13 26 57.8694 +30 20 23.885     19.96     ~ 2 0
97 [HNR99] PDCS 61 102 GiC 13 26 58.68 +30 16 12.9     20.97     ~ 1 0
98 CAIRNS J132700.94+301637.8 GiC 13 27 00.94 +30 16 37.8     19.54     ~ 2 0
99 CAIRNS J132705.27+301803.3 GiC 13 27 05.27 +30 18 03.3     19.78     ~ 2 0
100 CAIRNS J132706.75+301754.2 GiC 13 27 06.75 +30 17 54.2     19.42     ~ 2 0
101 PDCS 61 ClG 13 27 07.4 +30 18 01           ~ 7 0

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