2013MNRAS.429.2677K

Query : 2013MNRAS.429.2677K

2013MNRAS.429.2677K - Mon. Not. R. Astron. Soc., 429, 2677-2686 (2013/March-1)

Intense look at Virgo southern extension.

KARACHENTSEV I.D. and NASONOVA O.G.

Abstract (from CDS):

We collected data on radial velocities and distances of galaxies to elucidate structure and kinematics of the filament attached to the Virgo cluster from south. In the region RA = [12^ h5–13^ h5], Dec. = [-20°,0°] there are 171 galaxies with radial velocities VLG < 2000k/s, and 98 of them have distance estimates. This galaxy cloud, called as `Virgo Southern Extension', is situated just on the edge of the Virgo `zero-velocity surface'. The mean distance to Virgo SEx, 17±2 Mpc, and the average radial velocity, 1172±23k/s, are very close to the Virgo cluster ones. In supergalactic coordinates the Virgo SEx dimensions are 15x7x2 Mpc, where the major axis is directed along the line of sight, the second major axis is directed towards the Virgo core and the minor one is perpendicular to the supergalactic plane. This flattened cloud consists of a dozen virialized groups with the total K-band luminosity of 1.7 x 1012L☉ and the total virial mass of 6.3x1013M☉, having a typical dark matter-to-stellar matter ratio of 37. The Hubble diagram for Virgo SEx galaxies exhibits a tendency of a Z-shaped wave with a velocity amplitude of ∼ 250k/s that may be caused by a mass overdensity of ∼ 6x1013M☉, and in order of magnitude agrees with the sum of virial masses of the groups.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): galaxies: distances and redshifts

Simbad objects: 178

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Number of rows : 178
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 NAME Great Attractor SCG 10 32 -46.0           ~ 617 0
2 NAME UMa Region reg 11 00 +50.0           ~ 333 0
3 UGCA 278 EmG 12 23 10.30 -13 56 45.0   15.3   15.2 15.3 ~ 15 0
4 LEDA 157820 EmG 12 30 01.7595980736 -11 47 31.080551064   16.20   15.15   ~ 8 0
5 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
6 Z 14-54 LSB 12 31 03.49944 +01 40 32.2320   14.80       ~ 55 1
7 NGC 4487 EmG 12 31 04.4731449720 -08 03 14.548820040   11.7   11.9 11.6 ~ 189 0
8 NGC 4504 EmG 12 32 17.4213303288 -07 33 48.904197084   12.1   11.31 12.3 ~ 132 0
9 2dFGRS TGN251Z016 H2G 12 32 23.602 -01 44 24.69   16   15.713   ~ 29 0
10 NGC 4437 AGN 12 32 45.586 +00 06 54.14   11.1   11.1 10.6 ~ 307 0
11 K68 155 G 12 33 07.944 -00 31 58.97           ~ 11 0
12 MCG-01-32-023 AG? 12 33 37.01 -04 53 06.0   14.5   14.6 14.7 ~ 38 0
13 MCG-02-32-015 AG? 12 33 55.40 -10 40 46.6   15       ~ 25 0
14 NGC 4546 Sy2 12 35 29.4931619736 -03 47 35.383858656 11.89 11.30 10.32     ~ 230 1
15 MCG-01-32-028 GiG 12 35 37.0 -07 52 41   13.3   13.3 13.0 ~ 46 0
16 LEDA 970397 EmG 12 35 39.36 -11 04 01.6   15.75   14.98   ~ 14 0
17 Z 14-74 AG? 12 35 50.95 -03 45 58.5   15.7   14.950   ~ 11 0
18 LEDA 42120 LSB 12 37 14.0 -10 29 51           ~ 19 0
19 LEDA 3097708 G 12 37 35.8 -08 52 02   17.3       ~ 15 0
20 LEDA 1083027 AG? 12 37 46.484 -02 46 53.95   16.696   16.042   ~ 10 0
21 Z 14-80 AG? 12 37 48.2986448016 -01 20 41.345702880   15.3   15.027   ~ 21 0
22 LEDA 1177211 AG? 12 39 02.48664 +00 50 58.9992   17.199   16.461   ~ 15 0
23 NGC 4592 EmG 12 39 18.7543040040 -00 31 55.529665824   12.4   12.3 12.1 ~ 159 0
24 LEDA 1024576 AG? 12 39 44.72 -07 05 18.9           ~ 10 0
25 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2
26 LEDA 1128047 AG? 12 40 02.668 -01 02 58.01   16.027   15.493   ~ 17 0
27 NAME Sombrero UCD 1 G 12 40 03.1428796848 -11 40 04.430325936   18.0 17.46 16.5   ~ 27 1
28 2dFGRS TGN322Z068 LSB 12 40 08.7964186872 -00 21 07.700944968   16.27   15.907   ~ 17 0
29 NGC 4597 GiP 12 40 12.931 -05 47 57.44   12.3   11.9 12.2 ~ 94 0
30 LEDA 1166209 LSB 12 40 48.461 +00 26 55.50           ~ 11 0
31 Z 14-104 LSB 12 41 22.932 -03 03 29.03   14.8   14.5 14.3 ~ 39 0
32 LEDA 91219 AG? 12 41 28.92 -03 15 13.4           ~ 17 0
33 LEDA 1136400 AG? 12 41 29.171 -00 43 11.57   18.138   17.564   ~ 11 0
34 NGC 4632 EmG 12 42 31.9886669016 -00 04 57.071456184   12.5   12.4 11.9 ~ 177 0
35 NGC 4629 AG? 12 42 32.728 -01 21 02.14   14.0   13.9 13.8 ~ 63 0
36 MCG-02-32-026 EmG 12 42 48.9159309240 -12 23 26.755892340   15   13.30   ~ 24 0
37 LEDA 1117977 AG? 12 43 18.446 -01 28 02.63   16.434   15.751   ~ 12 0
38 MCG-01-33-001 LSB 12 44 03.5405930808 -05 40 33.952599156   12.6   12.7 12.7 ~ 63 0
39 Z 15-12 GiG 12 44 28.7701941216 +00 28 05.159668620   13.3   13.485 13.0 ~ 79 0
40 Z 15-13 EmG 12 44 33.17 -02 19 08.5   14.8   14.8 14.3 ~ 29 0
41 [WDL2004] VLA J124445.6-002536 G 12 44 45.6 -00 25 36           ~ 3 0
42 UGCA 295 AG? 12 44 53.924 -09 07 33.41   14.4   14.2 14.5 ~ 23 0
43 NGC 4666 AGN 12 45 08.676 -00 27 42.88   11.7   11.5 10.7 ~ 421 1
44 NGC 4668 EmG 12 45 31.941 -00 32 02.36   13.5   12.714   ~ 138 0
45 MCG-01-33-003 GiG 12 45 41.3496635640 -06 04 10.835842548   12.7   12.8 12.6 ~ 54 0
46 2dFGRS TGN187Z262 LSB 12 45 41.568 -02 01 51.15   17.410   17.048   ~ 10 0
47 LEDA 1143451 AG? 12 45 47.91864 -00 25 56.4888   16.660   15.935   ~ 12 0
48 NGC 4674 EmG 12 46 03.472 -08 39 19.66   15   12.78   ~ 33 0
49 2dFGRS TGN128Z068 LSB 12 46 37.816 -04 04 35.16   17.4   17.013   ~ 12 0
50 Z 43-22 LSB 12 46 49.557 +03 00 28.98   15.5       ~ 18 0
51 NGC 4684 GiG 12 47 17.5097110680 -02 43 38.661355884   12.4       ~ 153 0
52 MCG-01-33-007 LSB 12 47 38.2105414776 -05 52 02.311106340   15   13.47   ~ 24 0
53 LEDA 1003283 Sy2 12 47 50.9375728800 -08 28 16.849688700   15.51   14.39   ~ 8 0
54 NGC 4691 Sy1 12 48 13.60 -03 19 57.7 11.59 11.66 11.08 11.8 11.3 ~ 263 2
55 HIPASS J1248-08 G 12 48 29.60 -08 02 39.6   13.8   13.4 13.3 ~ 6 0
56 NAME NGC 4697 Group GrG 12 48 35.7 -05 48 03           ~ 14 0
57 NGC 4697 GiG 12 48 35.8981498824 -05 48 02.482374564   10.97   9.83   ~ 895 0
58 MCG-01-33-011 EmG 12 48 43.574 -05 15 09.60   14.5   14.4 13.9 ~ 32 0
59 LEDA 104868 EmG 12 48 54.137 -11 40 42.49   15.04   14.20   ~ 17 0
60 NGC 4699 EmG 12 49 02.186 -08 39 51.49   10.8   10.01 10.3 ~ 226 0
61 NGC 4700 AGN 12 49 08.148 -11 24 35.48   12.7 14.32 12.7 12.5 ~ 107 0
62 MCG-01-33-014 AG? 12 49 18.30 -04 00 58.6   14.2   14.2 14.3 ~ 40 1
63 MCG-02-33-015 LSB 12 49 23.41 -10 07 11.6   12.3   12.5 12.4 ~ 52 0
64 NGC 4678 LSB 12 49 42.363 -04 34 47.18   14.5   14.3 14.4 ~ 27 0
65 Z 43-40 GiG 12 49 50.1988897848 +02 51 10.636698780   14.03       ~ 98 1
66 LEDA 1019240 AG? 12 49 55.87 -07 25 27.4   15.42   14.69   ~ 10 0
67 LEDA 135809 LSB 12 50 04.754 -00 13 57.65   17.6     15.5 ~ 19 0
68 LEDA 43421 LSB 12 50 07.330 +02 14 52.62   17.9       ~ 16 0
69 IC 825 HII 12 50 16 -05 22.7           ~ 2 0
70 NGC 4720 EmG 12 50 42.781 -04 09 20.83   14.2   13.18 13.4 ~ 51 0
71 NGC 4731 Sy2 12 51 01.095 -06 23 34.98   12.0   16.23 12.0 ~ 197 0
72 NGC 4723 AG? 12 51 02.91 -13 14 11.8   14.6   14.8 15.0 ~ 29 0
73 NGC 4731A GiP 12 51 13.26 -06 33 33.9   14.5       ~ 28 0
74 NGC 4722 EmG 12 51 32.3574158160 -13 19 47.975934504   13   12.55   ~ 46 0
75 NGC 4742 GiG 12 51 48.0416784480 -10 27 17.196625800   12   11.55   ~ 235 1
76 LEDA 4002904 AG? 12 52 08.907 +03 07 14.65           ~ 8 0
77 NGC 4753 GiG 12 52 22.112 -01 11 58.88 11.26 10.85 9.95     ~ 288 1
78 LEDA 183384 AG? 12 52 33.749 -01 43 48.64   15.917   15.156   ~ 14 0
79 MCG-01-33-033 AG? 12 52 36.27 -06 17 23.1   16       ~ 19 0
80 NGC 4757 GiG 12 52 50.1123513360 -10 18 36.312397272   15   13.78   ~ 22 0
81 NGC 4771 EmG 12 53 21.273 +01 16 09.02   12.92   12.4 12.2 ~ 136 1
82 UGCA 305 G 12 53 21.8 -04 58 42   17       ~ 10 0
83 NGC 4772 LIN 12 53 29.1636448512 +02 10 06.146331708 12.29 11.96 11.04     ~ 265 1
84 [KKS2000] 38 G 12 53 31.9 -05 55 41   17.0       ~ 9 0
85 LEDA 3097715 G 12 53 41.8 -06 05 02   18.5       ~ 8 0
86 NGC 4775 EmG 12 53 45.707 -06 37 19.73   12.3   11.19 12.0 ~ 165 0
87 MCG-02-33-047 GiG 12 53 56.5587 -12 06 19.455   14.0   14.2 14.1 ~ 59 0
88 Z 15-33 LIN 12 54 01.8845997888 -01 30 30.014845380   15.50   14.691   ~ 29 0
89 LEDA 135814 LSB 12 54 05.173 -00 06 04.33           ~ 4 0
90 Z 15-35 AG? 12 54 12.598 +00 48 08.93   15.7   15.612   ~ 20 0
91 NGC 4781 Sy2 12 54 23.7751070304 -10 32 13.803431280   11.8   11.28 11.7 ~ 167 1
92 LEDA 1191416 AG? 12 54 37.747 +01 19 33.24   17.415   16.879   ~ 11 0
93 NGC 4790 GiG 12 54 51.9413201400 -10 14 52.268425260   12   12.12   ~ 98 0
94 LEDA 158179 EmG 12 55 03.74 -06 22 10.6   15.41   14.31   ~ 10 0
95 EVCC 2244 LSB 12 55 11.096 -03 23 52.28           ~ 4 0
96 Z 15-37 EmG 12 55 12.6507011952 +00 07 00.036186204   14.694   16.214 12.7 ~ 155 0
97 UGCA 308 AG? 12 55 31.5457 -10 23 30.774   17       ~ 11 0
98 2MASX J12553735-0119480 Sy1 12 55 37.3595094096 -01 19 47.861358312   15.75   15.17   ~ 13 0
99 UGC 8048 AG? 12 55 39.36 -00 15 48.8   17       ~ 38 0
100 NGC 4804 EmG 12 55 49.6669627200 -12 03 18.748939464   12   14.74   ~ 58 0
101 NGC 4813 Sy2 12 56 36.0825289416 -06 49 04.544783004   15   12.62   ~ 33 0
102 IC 3908 EmG 12 56 40.624 -07 33 46.08   13.5   12.19 12.6 ~ 97 0
103 NGC 4818 Sy2 12 56 48.907 -08 31 31.08   11   10.88   ~ 160 1
104 UGCA 310 AG? 12 57 12.12 -04 09 31.8   14.7   14.7 14.6 ~ 16 0
105 MCG-01-33-059 GiG 12 57 15.846 -05 20 46.51   13.3   13.3 13.2 ~ 44 0
106 MCG-01-33-060 Sy2 12 57 46.827 -09 38 01.60   13.6   13.6 13.2 ~ 67 0
107 NGC 4845 Sy2 12 58 01.24153 +01 34 32.0880   17.40 16.31     ~ 259 1
108 MCG-02-33-075 EmG 12 58 28.268 -10 34 37.19   13.9   13.14 13.6 ~ 31 0
109 MCG-01-33-061 GiG 12 58 48.88 -06 06 46.4   14.79   13.72 13.8 ~ 40 0
110 LEDA 1052160 AG? 12 58 49.63 -04 53 18.6   16.16   15.53 16.3 ~ 17 0
111 UGCA 312 G 12 59 06.8 -12 13 40   15.0   15.1 15.1 ~ 20 0
112 NGC 4856 GiG 12 59 21.2433153888 -15 02 31.292291292   11   10.72   ~ 85 0
113 2dFGRS TGN257Z161 LSB 12 59 45.129 -00 52 16.68   17.997   17.277   ~ 11 0
114 LEDA 3395480 LSB 12 59 52.423 +03 37 58.65           ~ 11 0
115 [KK98a] 125717.1-190826 G 12 59 56.3 -19 24 47           ~ 13 0
116 MCG-02-33-082 GiG 13 00 05.08 -15 21 54.5   14       ~ 22 0
117 MCG-02-33-085 EmG 13 00 17.20 -12 20 47.6   13.7   13.31 13.7 ~ 35 0
118 LEDA 44733 AG? 13 00 17.627 -03 03 59.08   15.865   14.947   ~ 17 0
119 MCG-02-33-088 AG? 13 00 43.53 -15 42 55.7   14.5   14.5 14.4 ~ 14 0
120 NGC 4904 Sy1 13 00 58.667 -00 01 38.83   13.2       ~ 169 0
121 Z 15-56 GiP 13 01 03.6759542784 -01 57 12.290476680   14.73   14.681 15.2 ~ 47 1
122 6dFGS gJ130105.2-052821 GiP 13 01 05.15 -05 28 20.6   16.42   15.72 15.8 ~ 11 0
123 LEDA 936912 AG? 13 01 06.9098 -13 31 08.921   15.7   15.5 15.3 ~ 12 0
124 Mrk 1342 EmG 13 01 10.913 -05 33 23.83   15.0       ~ 33 0
125 MCG-02-33-093 GiG 13 02 03.329 -14 52 58.59   14.2   13.22 13.6 ~ 44 0
126 NGC 4920 GiG 13 02 04.15 -11 22 42.3   14.0   14.0 13.7 ~ 33 0
127 MCG-03-33-027 GiP 13 02 14.39 -17 14 15.1 15.59 14.82 14.34 14.23   ~ 79 0
128 NGC 4928 Sy2 13 03 00.560 -08 05 05.95   13.4   13.4 13.0 ~ 54 0
129 MCG-03-33-030 GiP 13 03 16.736 -17 25 22.91 13.98 13.42 13.09 12.96 13.3 ~ 135 0
130 2dFGRS TGN073Z057 GiG 13 04 12.0748483752 -04 53 27.847960980   14.870   13.726   ~ 18 0
131 NGC 4941 Sy2 13 04 13.1036380320 -05 33 05.752803672   13.18 12.23 10.74   ~ 410 0
132 NGC 4942 Sy2 13 04 19.1160153240 -07 38 58.478748324   13.5   12.63 13.2 ~ 52 0
133 Z 15-60 EmG 13 04 31.194 -03 34 20.68   14.30   15.916   ~ 82 0
134 LEDA 1078534 AG? 13 04 31.875 -02 59 17.07   16.055   15.389   ~ 14 0
135 2dFGRS TGN192Z044 EmG 13 04 46.533 -02 52 16.01   16.813   16.204   ~ 14 0
136 NGC 4948 EmG 13 04 55.953 -07 56 51.76   13.62   16.25 13.0 ~ 66 0
137 LEDA 986100 EmG 13 04 56.18 -09 48 49.7   16.50   15.93   ~ 9 0
138 NGC 4948A Sy2 13 05 05.783 -08 09 40.76   14.02   13.22 13.7 ~ 43 0
139 NGC 4951 Sy2 13 05 07.7079609936 -06 29 37.815206856   12.5   11.45 12.1 ~ 106 0
140 MCG-01-33-082 GiP 13 05 14.32 -07 53 21.4   16       ~ 20 0
141 NGC 4958 Sy1 13 05 48.8957905464 -08 01 12.999361656   12.10   10.77   ~ 109 0
142 MCG-03-33-032 EmG 13 06 18.3 -17 30 53   15.2   15.3 14.7 ~ 29 0
143 LEDA 158522 EmG 13 07 01.6409504520 -07 41 54.552084720   15.51   14.39   ~ 10 0
144 MCG-03-34-002 EmG 13 07 56.657 -16 41 20.75   14.7   13.99 14.2 ~ 40 0
145 NGC 4981 GiG 13 08 48.7426150512 -06 46 38.957361240   12.1   10.91 11.7 ~ 176 1
146 NGC 4984 Sy1 13 08 57.2555329728 -15 30 58.743722520   12   10.92   ~ 142 0
147 NGC 4995 Sy2 13 09 40.6390105944 -07 50 00.223871892   12   10.94   ~ 133 0
148 MCG-02-34-006 AG? 13 09 47.50 -10 19 12.0   14.6   14.1 13.5 ~ 29 0
149 LEDA 984591 AG? 13 10 38.64 -09 55 53.6   16.54   15.92   ~ 8 0
150 MCG-02-34-008 EmG 13 11 58.16 -12 03 51.8   14.2   14.00 14.7 ~ 59 0
151 IC 4212 GiG 13 12 02.8 -06 59 36   14.16   13.65 13.4 ~ 28 0
152 MCG-03-34-019 GiG 13 13 05.4955444800 -16 28 41.305830096   14.5   13.32   ~ 29 0
153 LEDA 83827 GiG 13 14 31.23 -16 22 47.6   15.4       ~ 16 0
154 NGC 5035 GiG 13 14 49.2353312592 -16 29 33.467307612   13.9   12.43   ~ 39 0
155 LEDA 83842 GiG 13 14 49.82 -16 58 24.2   15.2       ~ 13 0
156 NGC 5037 GiP 13 14 59.381 -16 35 25.16   13.0   11.78   ~ 67 0
157 6dFGS gJ131504.1-162339 GiG 13 15 04.0679474352 -16 23 39.525049536   15.9       ~ 18 0
158 NGC 5044 BiC 13 15 23.9607836592 -16 23 07.547751744   11.9   10.74   ~ 531 0
159 MCG-03-34-040 EmG 13 16 56.243 -16 35 34.79   15.1   14.62   ~ 24 0
160 NGC 5054 Sy1 13 16 58.488 -16 38 05.46   11.3   10.36 10.7 ~ 203 1
161 Z 16-45 LSB 13 17 43.1868710184 -01 00 03.820032216   16.0   15.7 16.2 ~ 45 0
162 MCG-01-34-014 EmG 13 18 41.1 -08 26 47   13.6   13.8 14.3 ~ 41 0
163 NGC 5084 Sy2 13 20 16.923 -21 49 39.28   11.15 12.21 9.84 10.5 ~ 192 1
164 NGC 5088 Sy2 13 20 20.2424732712 -12 34 18.315956352   12.9   12.32 12.8 ~ 64 0
165 ESO 576-37 LSB 13 20 28.83 -19 50 34.9   16.20   15.09   ~ 12 0
166 MCG-03-34-054 GiG 13 20 41.0448610032 -16 54 01.899232524   15   13.69   ~ 26 0
167 NGC 5099 EmG 13 21 19.669 -13 02 30.70   15.0   14.7 14.3 ~ 16 0
168 MCG-03-34-067 Sy2 13 24 16.219 -16 42 12.72   15   13.97   ~ 15 0
169 MCG-03-34-069 EmG 13 24 41.799 -19 41 45.41   13.08   12.09 12.4 ~ 65 0
170 LEDA 952909 EmG 13 25 09.50 -12 25 46.0   15.7   15.6 16.0 ~ 8 0
171 HIPASS J1326-09 AG? 13 25 50.9277 -09 32 21.187           ~ 6 0
172 LEDA 990590 EmG 13 26 36.628 -09 28 29.51   16.04   14.96   ~ 7 0
173 LEDA 879717 Sy2 13 27 26.30 -17 39 17.7   16.20   15.13   ~ 10 0
174 MCG-03-34-082 EmG 13 28 47.0296857672 -17 30 44.339200452   15   13.09   ~ 27 0
175 NGC 5170 GiP 13 29 48.7664804592 -17 57 59.370796728   12.08 10.79 10.63 11.0 ~ 186 0
176 K68 227 G 13 34.7 -12 18           ~ 3 0
177 NAME Virgo Extension GrG ~ ~           ~ 56 0
178 NAME Local Group GrG ~ ~           ~ 9325 0

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