2001A&A...375..770F

Query : 2001A&A...375..770F

2001A&A...375..770F - Astronomy and Astrophysics, volume 375770-780 (2001/9-1)

Structure, mass and distance of the Virgo cluster from a Tolman-Bondi model.

FOUQUE P., SOLANES J.M., SANCHIS T. and BALKOWSKI C.

Abstract (from CDS):

We have applied a relativistic Tolman-Bondi model of the Virgo cluster to a sample of 183 galaxies with measured distances within a radius of 8 degrees from M 87. We find that the sample is significantly contaminated by background galaxies which lead to too large a cluster mean distance if not excluded. The Tolman-Bondi model predictions, together with the HI deficiency of spiral galaxies, allows one to identify these background galaxies. One such galaxy is clearly identified among the 6 calibrating galaxies with Cepheid distances. As the Tolman-Bondi model predicts the expected distance ratio to the Virgo distance, this galaxy can still be used to estimate the Virgo distance, and the average value over the 6 galaxies is 15.4±0.5Mpc. Well-known background groups of galaxies are clearly recovered, together with filaments of galaxies which link these groups to the main cluster, and are falling into it. No foreground galaxy is clearly detected in our sample. Applying the B-band Tully-Fisher method to a sample of 51 true members of the Virgo cluster according to our classification gives a cluster distance of 18.0±1.2Mpc, larger than the mean Cepheid distance. Finally, the same model is used to estimate the Virgo cluster mass, which is M=1.2x1015M☉ within 8 degrees from the cluster center (2.2Mpc radius), and amounts to 1.7 virial mass.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: individual: Virgo - galaxies: distances and redshifts - galaxies: elliptical and lenticular - galaxies: fundamental parameters - galaxies: spiral - cosmology: distance scale

Simbad objects: 87

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Number of rows : 87
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 Virgo E Cloud GrG 12 03 +12.4           ~ 21 0
2 NGC 4067 AGN 12 04 11.558 +10 51 15.67   13.2       ~ 117 0
3 NGC 4152 AGN 12 10 37.511 +16 01 58.56   14.00 13.35     ~ 244 0
4 IC 3033 GiG 12 11 09.951 +13 35 15.02   14.92       ~ 89 1
5 NAME NGC 4168 Group GrG 12 12.0 +13 24           ~ 69 0
6 NGC 4168 Sy2 12 12 17.2692381408 +13 12 18.688208724 12.58 12.11 11.18     ~ 393 1
7 IC 769 GiG 12 12 32.3204996040 +12 07 25.674097152   14.1       ~ 153 0
8 NGC 4180 Sy2 12 13 03.0632893416 +07 02 20.036449716   13.2       ~ 173 1
9 NGC 4189 GiC 12 13 47.2380839784 +13 25 29.445094632   12.51 11.74     ~ 294 1
10 NGC 4193 AGN 12 13 53.588 +13 10 22.46   13.18 12.31     ~ 175 1
11 IC 3056 GiP 12 14 36.937 +12 48 42.68 15.17 15.43 14.73     ~ 108 2
12 NGC 4197 H2G 12 14 38.503 +05 48 20.58   13.8       ~ 151 0
13 NGC 4200 GiG 12 14 44.2252339848 +12 10 50.695597380   14.1       ~ 82 0
14 IC 3061 GiG 12 15 04.519 +14 01 44.31   14.9       ~ 158 0
15 IC 3066 GiP 12 15 16.124 +13 28 29.28   15.58       ~ 60 1
16 IC 3074 AG? 12 15 46.000 +10 42 03.34   15.1       ~ 81 0
17 NGC 4215 GiG 12 15 54.5328986304 +06 24 04.120817832   13.0       ~ 133 0
18 NGC 4222 GiC 12 16 22.522 +13 18 25.46   13.86       ~ 208 1
19 NGC 4233 GiG 12 17 07.690 +07 37 27.96   13.2       ~ 174 0
20 IC 3099 LSB 12 17 09.228 +12 27 14.21   15.1       ~ 95 0
21 NGC 4235 Sy1 12 17 09.8818997904 +07 11 29.673389004   14.70 13.60     ~ 441 0
22 IC 3105 AG? 12 17 33.750 +12 23 17.15   15.0       ~ 97 0
23 NGC 4241 GiG 12 17 59.9038110672 +06 39 15.053590548   14.4       ~ 123 0
24 NGC 4252 LSB 12 18 30.934 +05 33 34.47   15.0       ~ 81 0
25 Z 42-1 EmG 12 18 38.668 +06 42 29.59   15.5       ~ 59 0
26 IC 776 EmG 12 19 03.119 +08 51 22.15   14.9       ~ 154 0
27 NGC 4259 GiP 12 19 22.2081135384 +05 22 35.021735076   14.5       ~ 99 0
28 NGC 4260 GiP 12 19 22.2401274336 +06 05 55.291593192   13.1       ~ 174 0
29 NGC 4261 LIN 12 19 23.2160630 +05 49 29.700024   13.92 12.87     ~ 1290 0
30 NGC 4273 H2G 12 19 56.063 +05 20 36.12   12.3       ~ 274 0
31 NAME Virgo W GrG 12 20.0 +05 48   6.3       ~ 89 0
32 NGC 4281 GiG 12 20 21.5246429784 +05 23 11.188759092   12.5       ~ 195 0
33 Z 42-36 GiG 12 20 25.289 +06 54 30.12   15.4       ~ 51 0
34 Z 42-48 GiG 12 21 55.557 +06 27 02.19   15.3       ~ 50 0
35 IC 3225 H2G 12 22 38.99160 +06 40 37.3728   14.9       ~ 63 0
36 NGC 4316 GiG 12 22 42.221 +09 19 58.12   14.0       ~ 167 0
37 NGC 4318 GiG 12 22 43.2906579576 +08 11 53.850831504   14.1       ~ 139 0
38 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
39 NGC 4343 AGN 12 23 38.6916756216 +06 57 14.481212688   14.816 13.860 13.824   ~ 185 1
40 NAME Virgo Cloud W' GrG 12 24.0 +07 12           ~ 29 0
41 NGC 4353 GiG 12 24 00.255 +07 47 06.64   14.6       ~ 93 0
42 IC 3298 GiC 12 25 03.801 +17 00 54.33   15.3       ~ 58 0
43 NGC 4376 GiG 12 25 18.0159139968 +05 44 28.133108988   13.9       ~ 136 0
44 IC 3322A GiG 12 25 42.634 +07 13 00.15   14.4       ~ 195 0
45 NGC 4390 GiG 12 25 50.6659863456 +10 27 32.509985148   13.7       ~ 178 0
46 NGC 4411 GiP 12 26 29.859 +08 52 20.08   14.4       ~ 140 0
47 NGC 4417 GiP 12 26 50.6084412168 +09 35 03.354168804   12.2       ~ 268 0
48 NGC 4434 GiG 12 27 36.6771662112 +08 09 15.640206876   13.2       ~ 275 0
49 NGC 4440 GiG 12 27 53.5662931608 +12 17 35.788966872   12.70 11.72     ~ 150 1
50 Z 42-117 GiG 12 27 55.382 +05 43 16.49   15.0       ~ 82 0
51 NAME Virgo Cluster S' GrG 12 28 +07.9           ~ 4 0
52 NAME Virgo N Cloud Cld 12 28 +16.3           ~ 14 0
53 NGC 4451 GiG 12 28 40.558 +09 15 32.13   13.4       ~ 207 0
54 NGC 4466 GiG 12 29 30.569 +07 41 47.13   14.7       ~ 83 0
55 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
56 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
57 NAME Virgo A Cluster GrG 12 30 49.2 +12 23 30           ~ 154 0
58 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
59 NGC 4488 GiG 12 30 51.3727669680 +08 21 35.998048692   13.8       ~ 101 0
60 NAME Local Supercluster SCG 12 31 +12.4           ~ 566 0
61 NGC 4496 GiP 12 31 39.2222392512 +03 56 21.641352828   11.71       ~ 376 0
62 Z 99-85 GiC 12 32 51.625 +20 11 01.39   15.3       ~ 66 0
63 IC 3483 GiC 12 33 10.06 +11 20 50.4           ~ 77 1
64 NAME Vir B Cluster GrG 12 33 39.3 +10 10 57           ~ 143 0
65 NAME Virgo S Cloud GrG 12 34 +06.1           ~ 29 0
66 NGC 4531 GiG 12 34 15.8672289240 +13 04 31.092418884   12.42       ~ 156 1
67 NGC 4535 H2G 12 34 20.3443516704 +08 11 51.908488116   11.1       ~ 679 0
68 NGC 4536 H2G 12 34 27.12887 +02 11 16.3680 11.14 11.16 10.55 17.393   ~ 913 3
69 M 91 LIN 12 35 26.4446761320 +14 29 46.760333748   14.63 13.57     ~ 639 0
70 NGC 4591 GiG 12 39 12.4387744385 +06 00 44.199552240   14.1       ~ 108 0
71 NGC 4598 GiG 12 40 11.9356455312 +08 23 01.483673064   14.1       ~ 70 0
72 NGC 4620 GiG 12 41 59.3482988376 +12 56 34.244877840   14.0       ~ 94 0
73 NGC 4633 GiP 12 42 37.3727566944 +14 21 25.949234160   14.7       ~ 147 0
74 NGC 4639 Sy1 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 642 0
75 NGC 4651 LIN 12 43 42.6376070448 +16 23 36.002649300   11.30 10.92 10.42 9.84 ~ 537 0
76 IC 3742 GiG 12 45 31.234 +13 19 44.59   14.6       ~ 115 0
77 NGC 4698 Sy2 12 48 22.9082830584 +08 29 14.667552276   13.24 12.27     ~ 507 0
78 NGC 4746 GiG 12 51 55.371 +12 04 58.90   13.3       ~ 162 1
79 Z 100-18 GiP 12 58 17.270 +14 33 26.07   14.9       ~ 79 0
80 Z 71-95 LSB 13 00 24.968 +13 40 13.16   15.4       ~ 38 0
81 NAME Virgo Extension GrG ~ ~           ~ 56 0
82 [D61] Cloud S' GrG ~ ~           ~ 4 0
83 [D61] Cloud Y GrG ~ ~           ~ 3 0
84 NAME Virgo Wa Cloud GrG ~ ~           ~ 5 0
85 NAME Virgo Wb Cloud GrG ~ ~           ~ 5 0
86 [D61] Cloud X GrG ~ ~           ~ 3 0
87 [D61] Cloud V GrG ~ ~           ~ 3 0

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