1998A&AS..130..341T

Query : 1998A&AS..130..341T

1998A&AS..130..341T - Astron. Astrophys., Suppl. Ser., 130, 341-358 (1998/June-1)

Loose groups of galaxies in the Perseus-Pisces survey.

TRASARTI-BATTISTONI R.

Abstract (from CDS):

We present a large catalog of loose groups of galaxies in the Southern Galactic Hemisphere, selected from the Perseus-Pisces redshift Survey (PPS). Particular care is taken in order to obtain group samples as homogeneous as possible to previously published catalogs. All our catalogs contain about 200 groups, significantly more than in most previous studies where group samples were obtained from galaxy data sets of comparable quality to (but smaller extent than) PPS. Groups are identified with the adaptive Friends-Of-Friends (FOF) algorithm of Huchra & Geller (1982ApJ...257..423H), with suitable normalizations D0=0.231h–1Mpc and V0=350km/s at cz0=1000km/s. The luminosity function (LF) normalization φ*=0.02h3Mpc–3 appropriate for PPS yields a number density threshold δn/n≃180 for the adopted D0, instead of δn/n≃80 used in previous studies of other samples. However, the customary choice of D0 obtained (through the LF) from a fixed mass overdensity δρ/ρ=80, well motivated in theory, suffers from important observational uncertainties and sample-to-sample variations of the LF normalization, and from major uncertainties in the relation between galaxy density n and mass density ρ. We discuss how to self-consistently match FOF parameters among different galaxy samples. We then separately vary several FOF and sample parameters, and discuss their effect on group properties. Loose groups in PPS nicely trace the large scale structure (LSS) in the parent galaxy sample. The group properties vary little with different redshift corrections, redshift cut-off, and galaxy LF, but are rather sensitive to the adopted links D0 and V0. More precisely, the typical group size (velocity dispersion) is linearly related to the adopted distance (velocity) link, while it is rather insensitive to the adopted velocity (distance) link. Physical properties of groups in PPS and in directly comparable samples show good agreement. There is a complex interplay among LSS features, sample depth, FOF grouping procedure, and group properties.

Abstract Copyright: ∼

Journal keyword(s): catalogs - galaxies: clusters of luminosity function - cosmology: large scale structure of the Universe

VizieR on-line data: <Available at CDS (J/A+AS/130/341): table1.dat>

Nomenclature: Table 1: [T98b] NNN (Nos 1-188)

Simbad objects: 189

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Number of rows : 189
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 HCG 99 CGG 00 00 43.283 +28 23 08.76           ~ 34 0
2 [T98b] 53 GrG 00 01.7 +13 05           ~ 1 0
3 [T98b] 54 GrG 00 03 +31.0           ~ 1 0
4 [T98b] 55 GrG 00 03 +27.0           ~ 1 0
5 [T98b] 56 GrG 00 05.9 +05 07           ~ 1 0
6 [T98b] 57 GrG 00 10.1 +33 15           ~ 1 0
7 RASSCALS SRGb061 GrG 00 11 44.7 +28 21 35           ~ 2 0
8 [T98b] 59 GrG 00 12.4 +30 56           ~ 1 0
9 [T98b] 61 GrG 00 19.1 +19 24           ~ 1 0
10 [T98b] 60 GrG 00 19.4 +29 57           ~ 1 0
11 RASSCALS SRGb063 GrG 00 21 38.4 +22 24 20           ~ 7 0
12 [T98b] 63 GrG 00 24.3 +14 35           ~ 1 0
13 [T98b] 64 GrG 00 25.1 +29 21           ~ 1 0
14 [T98b] 67 GrG 00 28.6 +03 24           ~ 1 0
15 RASSCALS SRGb067 GrG 00 28 48.1 +02 54 19           ~ 2 0
16 RASSCALS SRGb069 GrG 00 30 24.8 +30 58 33           ~ 2 0
17 [T98b] 69 GrG 00 31.4 +08 27           ~ 1 0
18 [T98b] 68 GrG 00 32.4 +30 44           ~ 1 0
19 [T98b] 70 CGG 00 33 52.9 +07 15 02           ~ 6 0
20 [T2015] nest 200380 GrG 00 38 32.27 +29 30 17.3           ~ 5 0
21 [T98b] 74 GrG 00 39.2 +06 54           ~ 1 0
22 USGC U024 GrG 00 39 22.07 +00 52 43.8           ~ 8 0
23 RASSCALS SRGb074 GrG 00 39 23.8 +03 01 58           ~ 2 0
24 [T98b] 76 GrG 00 41.1 +36 30           ~ 1 0
25 RASSCALS SRGb075 GrG 00 41 15.3 +25 28 54           ~ 4 0
26 RASSCALS SRGb078 GrG 00 42 22.0 +29 48 52           ~ 2 0
27 [T98b] 78 GrG 00 42.9 +32 49           ~ 1 0
28 USGC U030 CGG 00 43 07.5 +23 29 41           ~ 7 0
29 [T98b] 80 GrG 00 45.9 +25 28           ~ 1 0
30 [T98b] 81 GrG 00 46.6 +29 56           ~ 1 0
31 RASSCALS SRGb079 GrG 00 47 59.7 +27 51 57           ~ 2 0
32 [T98b] 83 GrG 00 49.0 +31 54           ~ 1 0
33 RASSCALS SRGb082 GrG 00 52 39.0 +29 23 47           ~ 2 0
34 USGC U036 GrG 00 53 45.1 +29 10 59           ~ 3 0
35 RASSCALS SRGb084 GrG 00 56 22.8 +31 37 20           ~ 2 0
36 [T98b] 87 GrG 00 57.5 +23 57           ~ 1 0
37 [T98b] 88 GrG 00 57.8 +30 26           ~ 1 0
38 [T98b] 89 GrG 01 00.1 +26 59           ~ 1 0
39 [T98b] 90 GrG 01 01.1 +30 56           ~ 1 0
40 USGC U042 GrG 01 01 14.25 +30 08 18.7           ~ 8 0
41 RASSCALS SRGb090 GrG 01 07 02.2 +32 19 21           ~ 3 0
42 [T98b] 93 GrG 01 08.2 +39 34           ~ 1 0
43 [T98b] 94 GrG 01 08.2 +02 13           ~ 1 0
44 [T98b] 95 GrG 01 13.2 +15 47           ~ 1 0
45 [T98b] 96 GrG 01 14 31.12 +01 56 19.8           ~ 2 0
46 [T98b] 97 GrG 01 15.7 +33 25           ~ 1 0
47 [T98b] 99 GrG 01 20.4 +14 43           ~ 1 0
48 USGC U056 CGG 01 20 53.4 +01 22 26           ~ 3 0
49 [T98b] 98 GrG 01 23.0 +33 31           ~ 2 0
50 [T98b] 103 GrG 01 23.6 +34 38           ~ 1 0
51 [T98b] 104 GrG 01 23.7 +07 46           ~ 1 0
52 [T98b] 102 GrG 01 23.8 +01 49           ~ 1 0
53 [T98b] 101 GrG 01 23.9 +09 29           ~ 1 0
54 BAX 021.3807+01.7591 ClG 01 25 31.3 +01 45 33           ~ 24 0
55 RASSCALS SRGb101 GrG 01 26 05.2 +14 49 22           ~ 2 0
56 WBL 48 GrG 01 29.1 +39 28           ~ 2 0
57 [T98b] 108 GrG 01 30.5 +19 27           ~ 1 0
58 [T98b] 110 GrG 01 35 17.71 +33 49 04.9           ~ 2 0
59 [T98b] 109 GrG 01 36.4 +35 19           ~ 1 0
60 [T98b] 111 GrG 01 39.0 +05 48           ~ 1 0
61 USGC U070 CGG 01 43 18.4 +04 14 02           ~ 5 0
62 [T98b] 112 GrG 01 43.9 +13 16           ~ 1 0
63 [T98b] 114 GrG 01 44.4 +28 52           ~ 1 0
64 [T98b] 115 GrG 01 45.3 +34 26           ~ 1 0
65 RASSCALS SRGb108 GrG 01 45 22.2 +10 20 48           ~ 2 0
66 [T98b] 117 GrG 01 48.0 +35 00           ~ 1 0
67 [T98b] 118 GrG 01 48.3 +35 32           ~ 1 0
68 [T98b] 119 GrG 01 48.8 +11 37           ~ 1 0
69 USGC U076 CGG 01 48 49.94 +10 32 23.5           ~ 9 0
70 RASSCALS SRGb115 GrG 01 49 15.1 +13 04 09           ~ 3 0
71 [T98b] 123 GrG 01 50.5 +22 01           ~ 1 0
72 [T98b] 122 GrG 01 50.7 +33 13           ~ 1 0
73 [T98b] 125 GrG 01 53.9 +19 57           ~ 2 0
74 [T98b] 124 GrG 01 55.1 +36 30           ~ 1 0
75 RASSCALS SRGb118 GrG 01 55 32.0 +17 58 16           ~ 2 0
76 NGC 741 rG 01 56 23.2 +05 37 35   13.2       ~ 309 2
77 USGC U087 GrG 01 56 57.4 +33 05 37           ~ 3 0
78 [T98b] 129 GrG 01 58.8 +25 13           ~ 1 0
79 RASSCALS SRGb123 GrG 02 00 17.3 +24 08 12           ~ 2 0
80 [T98b] 130 GrG 02 01.0 +23 35           ~ 1 0
81 [T98b] 133 GrG 02 01.7 +15 38           ~ 1 0
82 [T98b] 132 GrG 02 01.7 +31 59           ~ 1 0
83 RASSCALS SRGb125 GrG 02 02 34.3 +26 22 45           ~ 2 0
84 [T98b] 135 GrG 02 02.6 +18 26           ~ 1 0
85 [T98b] 136 GrG 02 03.6 +02 39           ~ 2 0
86 USGC U098 CGG 02 04 34.6 +28 49 06           ~ 5 0
87 WBL 65 GrG 02 05.5 +34 52           ~ 2 0
88 USGC U100 CGG 02 06 15.62 +29 55 02.8           ~ 7 0
89 [T98b] 140 GrG 02 06.6 +09 20           ~ 1 0
90 HCG 15 CGG 02 07 39.0 +02 08 18           ~ 75 0
91 [T98b] 141 GrG 02 08.7 +07 55           ~ 1 0
92 [T98b] 144 GrG 02 09.9 +25 47           ~ 1 0
93 RASSCALS SRGb133 GrG 02 10 31.8 +15 56 31           ~ 2 0
94 [T98b] 145 GrG 02 11.0 +31 23           ~ 1 0
95 [T98b] 148 GrG 02 11.8 +14 11           ~ 1 0
96 [T98b] 146 GrG 02 12.1 +37 34           ~ 2 0
97 [T98b] 147 GrG 02 12.5 +19 12           ~ 1 0
98 [T98b] 150 GrG 02 15.9 +18 12           ~ 1 0
99 [T98b] 149 GrG 02 16.4 +32 36           ~ 1 0
100 LGG 54 GrG 02 17 59 +38 10.4           ~ 3 0
101 [T98b] 152 GrG 02 20.1 +15 52           ~ 1 0
102 [T98b] 154 GrG 02 22.2 +17 06           ~ 1 0
103 [T98b] 156 GrG 02 22.4 +28 34           ~ 1 0
104 [T98b] 153 GrG 02 22.8 +25 26           ~ 1 0
105 [T98b] 155 GrG 02 22.9 +32 12           ~ 1 0
106 [T98b] 158 GrG 02 25.1 +37 09           ~ 1 0
107 [T98b] 157 GrG 02 25.2 +27 22           ~ 1 0
108 [T98b] 161 GrG 02 26.1 +24 54           ~ 1 0
109 [T98b] 159 GrG 02 27 +26.2           ~ 1 0
110 [T98b] 162 GrG 02 27.1 +32 07           ~ 1 0
111 RASSCALS SRGb140 GrG 02 27 39.7 +20 01 00           ~ 2 0
112 [T98b] 163 GrG 02 29.1 +25 28           ~ 1 0
113 [T98b] 164 GrG 02 29.3 +31 28           ~ 1 0
114 [T98b] 165 GrG 02 29.4 +10 09           ~ 1 0
115 RASSCALS SRGb145 GrG 02 31 48.0 +01 16 27           ~ 5 0
116 [T98b] 167 GrG 02 33.0 +20 39           ~ 1 0
117 NAME Psc-Per Supercluster SCG 02 33.2 +41 37           ~ 444 1
118 USGC U134 GrG 02 34 32.6 +32 44 05           ~ 3 0
119 [T98b] 169 GrG 02 36.8 +07 23           ~ 1 0
120 [T98b] 172 GrG 02 37.4 +21 08           ~ 1 0
121 [T98b] 170 GrG 02 37.7 +33 28           ~ 1 0
122 RASSCALS SRGb149 GrG 02 38 43.8 +02 01 11           ~ 4 0
123 RASSCALS SRGs148 GrG 02 40 37.8 +17 53 49           ~ 3 0
124 RASSCALS SRGb147 GrG 02 40 57.0 +08 36 36           ~ 2 0
125 [T98b] 176 GrG 02 43.6 +16 37           ~ 1 0
126 [T98b] 175 GrG 02 44.1 +32 44           ~ 1 0
127 [T98b] 177 GrG 02 45.9 +03 16           ~ 1 0
128 RASSCALS SRGb152 GrG 02 46 26.8 +15 44 45           ~ 2 0
129 [T98b] 178 GrG 02 46.8 +39 20           ~ 1 0
130 [T98b] 180 GrG 02 47.4 +15 27           ~ 1 0
131 RASSCALS SRGb154 GrG 02 49 57.4 +13 13 58           ~ 2 0
132 [T98b] 182 GrG 02 53.5 +12 58           ~ 1 0
133 [T98b] 184 GrG 02 53.9 +06 10           ~ 1 0
134 RASSCALS SRGb158 GrG 02 55 09.9 +09 16 43           ~ 4 0
135 [T98b] 185 GrG 02 55.9 +15 55           ~ 1 0
136 [T98b] 186 GrG 02 57.5 +06 09           ~ 1 0
137 [T98b] 188 GrG 02 58.4 +03 33           ~ 1 0
138 [T98b] 187 GrG 02 58.7 +24 06           ~ 2 0
139 RASSCALS SRGs010 GrG 22 36 42.2 +19 32 24           ~ 2 0
140 [T98b] 3 GrG 22 37.1 +34 13           ~ 1 0
141 [T98b] 1 GrG 22 37.7 +33 50           ~ 1 0
142 WBL 685 GrG 22 38.4 +35 28           ~ 2 0
143 [T98b] 5 GrG 22 40.6 +32 01           ~ 1 0
144 [T98b] 6 GrG 22 44.2 +10 02           ~ 1 0
145 [T98b] 7 GrG 22 48.9 +27 43           ~ 1 0
146 RASSCALS SRGb013 GrG 22 50 00.7 +11 40 15           ~ 9 0
147 USGC U824 GrG 22 52 56.1 +01 11 59           ~ 5 0
148 [T98b] 10 GrG 22 54.6 +32 07           ~ 1 0
149 [T98b] 11 GrG 22 55 54.23 +36 25 30.4           ~ 3 0
150 DOC SRGb016 GrG 22 58 45.9 +26 00 05           ~ 4 0
151 [T98b] 13 GrG 22 59.6 +14 04           ~ 1 0
152 USGC U829 GrG 23 01 55.9 +26 52 33           ~ 3 0
153 [T98b] 14 GrG 23 02.2 +16 15           ~ 1 0
154 USGC U831 GrG 23 03 23.3 +09 01 09           ~ 4 0
155 [T98b] 17 GrG 23 03.8 +20 02           ~ 1 0
156 [T98b] 18 GrG 23 05.7 +02 52           ~ 1 0
157 [T98b] 19 GrG 23 07 18.99 +22 54 53.6           ~ 3 0
158 [T98b] 20 GrG 23 10 26.74 +07 33 35.1           ~ 3 0
159 [T98b] 24 GrG 23 14.6 +31 20           ~ 1 0
160 RASSCALS SRGb026 GrG 23 14 52.1 +25 14 21           ~ 2 0
161 [T98b] 23 GrG 23 15.0 +28 33           ~ 1 0
162 [T98b] 25 GrG 23 15.2 +18 59           ~ 1 0
163 RASSCALS SRGb027 GrG 23 15 12.9 +13 31 56           ~ 2 0
164 [T98b] 26 GrG 23 18.6 +09 29           ~ 1 0
165 [T98b] 28 GrG 23 20 +08.3           ~ 1 0
166 [T98b] 29 GrG 23 20.1 +26 03           ~ 1 0
167 [T98b] 27 GrG 23 20.2 +18 57           ~ 1 0
168 [T98b] 30 GrG 23 21.7 +27 06           ~ 1 0
169 [T98b] 31 GrG 23 23.1 +29 15           ~ 1 0
170 RASSCALS SRGb037 GrG 23 28 46.6 +03 30 49           ~ 4 0
171 [T98b] 34 GrG 23 29.0 +09 43           ~ 1 0
172 [T98b] 32 GrG 23 31.0 +32 28           ~ 1 0
173 [T98b] 35 GrG 23 34.9 +04 58           ~ 1 0
174 [T98b] 37 GrG 23 38 26.82 +32 08 19.4           ~ 3 0
175 RASSCALS SRGs040 GrG 23 38.8 +26 59           ~ 3 0
176 [T98b] 38 GrG 23 41.1 +04 04           ~ 1 0
177 [T98b] 40 GrG 23 42.9 +27 19           ~ 1 0
178 [T98b] 39 GrG 23 44.4 +26 11           ~ 1 0
179 [T98b] 41 GrG 23 44.8 +09 10           ~ 1 0
180 Mahtessian 266 CGG 23 51 17.14 +20 07 11.8           ~ 10 0
181 WBL 725 GrG 23 51.3 +08 43           ~ 2 0
182 RASSCALS SRGb046 GrG 23 51 54.0 +27 16 24           ~ 2 0
183 RASSCALS SRGb047 GrG 23 53 19.7 +07 55 15           ~ 2 0
184 [T98b] 45 GrG 23 53.4 +28 39           ~ 1 0
185 [T98b] 47 GrG 23 55.1 +30 15           ~ 1 0
186 [T98b] 48 GrG 23 55.3 +30 24           ~ 1 0
187 [T98b] 49 GrG 23 55.9 +29 21           ~ 1 0
188 [T98b] 50 GrG 23 57.9 +29 36           ~ 1 0
189 [T98b] 51 GrG 23 59.6 +16 44           ~ 1 0

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