2000A&A...355..835E

Query : 2000A&A...355..835E

2000A&A...355..835E - Astronomy and Astrophysics, volume 355835-847 (2000/3-3)

Investigations of the Local Supercluster velocity field. III. Tracing the backside infall with distance moduli from the direct Tully-Fisher relation.

EKHOLM T., LANOIX P., TEERIKORPI P., FOUQUE P. and PATUREL G.

Abstract (from CDS):

We have extended the discussion of Paper II (Ekholm et al., 1999A&A...351..827E) to cover also the backside of the Local Supercluster (LSC) by using 96 galaxies within Θ<30° from the adopted centre of LSC and with distance moduli from the direct B-band Tully-Fisher relation. In order to minimize the influence of the Malmquist bias we required logVmax>2.1 and σBT<0.2mag. We found out that if RVirgo<20Mpc this sample fails to follow the expected dynamical pattern from the Tolman-Bondi (TB) model. When we compared our results with the Virgo core galaxies given by Federspiel et al. (1998ApJ...495..115F) we were able to constrain the distance to Virgo: RVirgo=20-24Mpc. When analyzing the TB-behaviour of the sample as seen from the origin of the metric as well as that with distances from the extragalactic Cepheid PL-relation we found additional support to the estimate RVirgo=21Mpc given in Paper II. Using a two-component mass-model we found a Virgo mass estimate MVirgo=(1.5-2)Mvirial, where Mvirial=9.375x1014^M☉ for RVirgo=21Mpc. This estimate agrees with the conclusion in Paper I (Teerikorpi et al., 1992A&A...260...17T). Our results indicate that the density distribution of luminous matter is shallower than that of the total gravitating matter when q0≤0.5. The preferred exponent in the density power law, α≃2.5, agrees with recent theoretical work on the universal density profile of dark matter clustering in an Einstein-deSitter universe (Tittley & Couchman, 1999, in press).

Abstract Copyright: ∼

Journal keyword(s): cosmology: theory - cosmology: dark matter - cosmology: distance scale - galaxies: distances and redshifts - galaxies: general - galaxies: kinematics and dynamics

Simbad objects: 98

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Number of rows : 98
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 NGC 2541 GiG 08 14 40.1160678912 +49 03 42.021679932 12.03 12.26 11.80     ~ 333 1
2 NGC 3338 SyG 10 42 07.5363224928 +13 44 49.177468104   12.1       ~ 268 0
3 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1238 2
4 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 862 1
5 NGC 3389 GiG 10 48 27.9084984144 +12 31 59.659616244   12.0       ~ 244 2
6 NGC 3486 Sy2 11 00 23.946 +28 58 29.35 10.89 11.11 10.53 10.40   ~ 373 1
7 NGC 3495 GiG 11 01 16.168 +03 37 40.93   13.10       ~ 160 0
8 M 65 GiP 11 18 55.9084654776 +13 05 32.300703672   9.6       ~ 458 1
9 M 66 AGN 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1509 4
10 NGC 3628 LIN 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 853 3
11 NGC 3655 Sy2 11 22 54.6356867928 +16 35 24.235700100   12.575 11.904 11.366 10.732 ~ 193 1
12 NGC 3666 GiG 11 24 26.0692042488 +11 20 31.397824824   12.5       ~ 161 0
13 NGC 3672 Sy2 11 25 02.4824415408 -09 47 43.360336932   11.9   10.80 11.6 ~ 202 1
14 NGC 3684 GiP 11 27 11.2076836512 +17 01 48.596515284   12.1       ~ 185 0
15 NGC 3686 GiP 11 27 43.9717389912 +17 13 27.014601036   11.6       ~ 208 0
16 NGC 3689 GiC 11 28 11.0180259864 +25 39 40.104503496   12.9       ~ 89 1
17 NGC 3701 GiC 11 29 28.901 +24 05 36.59   14.1       ~ 75 0
18 NGC 3705 GiG 11 30 07.456 +09 16 35.87 12.00 11.86 11.07     ~ 182 1
19 NGC 3810 GiC 11 40 58.7615811624 +11 28 15.808680696   11.4       ~ 351 2
20 NGC 3813 GiG 11 41 18.6482342616 +36 32 48.771124872   12.6       ~ 140 1
21 NGC 4045 AGN 12 02 42.2505701136 +01 58 36.362990064   13.144   16.938 12.1 ~ 209 1
22 NGC 4062 EmG 12 04 03.8090248584 +31 53 44.489664636   11.90 11.21 10.62 10.03 ~ 283 0
23 NGC 4145 GiP 12 10 01.52353 +39 53 01.9030           ~ 168 1
24 NGC 4152 AGN 12 10 37.511 +16 01 58.56   14.00 13.35     ~ 244 0
25 IC 769 GiG 12 12 32.3204996040 +12 07 25.674097152   14.1       ~ 153 0
26 NGC 4178 H2G 12 12 46.443 +10 51 57.59   12.9       ~ 367 0
27 NGC 4180 Sy2 12 13 03.0632893416 +07 02 20.036449716   13.2       ~ 173 1
28 NGC 4189 GiC 12 13 47.2380839784 +13 25 29.445094632   12.51 11.74     ~ 294 1
29 M 98 LIN 12 13 48.2910686976 +14 54 01.953475200 11.25 10.95 10.14     ~ 499 2
30 NGC 4193 AGN 12 13 53.588 +13 10 22.46   13.18 12.31     ~ 175 1
31 IC 3061 GiG 12 15 04.519 +14 01 44.31   14.9       ~ 158 0
32 NGC 4212 H2G 12 15 39.3368219184 +13 54 05.388525900   11.9       ~ 328 0
33 NGC 4216 AGN 12 15 54.444 +13 08 57.84 11.51 10.99 10.01     ~ 424 1
34 NGC 4222 GiC 12 16 22.522 +13 18 25.46   13.86       ~ 208 1
35 NGC 4235 Sy1 12 17 09.8818997904 +07 11 29.673389004   14.70 13.60     ~ 441 0
36 NGC 4237 AGN 12 17 11.4198657984 +15 19 26.557164264   12.3       ~ 266 0
37 NGC 4260 GiP 12 19 22.2401274336 +06 05 55.291593192   13.1       ~ 174 0
38 NGC 4274 LIN 12 19 50.5930710456 +29 36 53.238538764 11.78 11.34 10.41     ~ 263 1
39 NGC 4273 H2G 12 19 56.063 +05 20 36.12   12.3       ~ 274 0
40 NGC 4289 H2G 12 21 02.304 +03 43 19.06   15.0       ~ 134 0
41 NGC 4293 LIN 12 21 12.891 +18 22 56.64   11.6       ~ 311 2
42 NGC 4302 GiC 12 21 42.477 +14 35 51.94   13.4 11.61     ~ 348 0
43 NGC 4307 GiG 12 22 05.625 +09 02 36.79   13.4       ~ 176 0
44 NGC 4316 GiG 12 22 42.221 +09 19 58.12   14.0       ~ 167 0
45 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
46 NGC 4343 AGN 12 23 38.6916756216 +06 57 14.481212688   14.816 13.860 13.824   ~ 185 1
47 NGC 4348 GiG 12 23 53.9227819416 -03 26 34.033275096   13.60   13.0 12.4 ~ 110 0
48 NGC 4380 BLL 12 25 22.178 +10 01 00.14   13.4       ~ 275 0
49 IC 3322A GiG 12 25 42.634 +07 13 00.15   14.4       ~ 195 0
50 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1433 2
51 Z 42-99 GiG 12 25 58.964 +03 25 38.32   15.0       ~ 119 0
52 NGC 4402 GiC 12 26 07.65312 +13 06 47.9376   12.55       ~ 421 2
53 NGC 4414 GiC 12 26 27.1276893168 +31 13 24.626206488 11.12 10.96 10.12     ~ 593 2
54 NGC 4438 LIN 12 27 45.6705493536 +13 00 31.708096380 11.37 11.02 10.17     ~ 668 2
55 NGC 4448 H2G 12 28 15.428 +28 37 13.08   11.9       ~ 207 0
56 NGC 4450 LIN 12 28 29.5910654016 +17 05 05.976112020   10.90 10.08     ~ 587 2
57 NGC 4480 GiG 12 30 26.7893754432 +04 14 47.674860000   13.4       ~ 161 0
58 NAME Local Supercluster SCG 12 31 +12.4           ~ 566 0
59 M 88 Sy2 12 31 59.1525062448 +14 25 13.148971824   14.33 13.18     ~ 843 1
60 NGC 4519 GiG 12 33 30.278 +08 39 16.06   12.8       ~ 295 0
61 NGC 4527 AGN 12 34 08.49600 +02 39 13.7160   12.4       ~ 549 2
62 NGC 4535 H2G 12 34 20.3443516704 +08 11 51.908488116   11.1       ~ 679 0
63 M 91 LIN 12 35 26.4446761320 +14 29 46.760333748   14.63 13.57     ~ 639 0
64 NGC 4565 Sy2 12 36 20.804 +25 59 14.61   13.61 12.43     ~ 991 0
65 NGC 4567 H2G 12 36 32.6979947472 +11 15 28.716262668 12.25 12.06 11.31     ~ 339 2
66 NGC 4568 H2G 12 36 34.292 +11 14 19.07   12.11 11.19     ~ 394 2
67 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 953 1
68 M 58 Sy2 12 37 43.59747 +11 49 05.1240 10.80 10.48 9.66     ~ 1140 2
69 NGC 4591 GiG 12 39 12.4387744385 +06 00 44.199552240   14.1       ~ 108 0
70 NGC 4602 Sy2 12 40 36.848 -05 07 58.84   12.34   11.40 11.8 ~ 156 0
71 NGC 4639 Sy1 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 642 0
72 NGC 4642 GiP 12 43 17.783 -00 38 39.29   13.8       ~ 82 0
73 NGC 4647 H2G 12 43 32.542 +11 34 56.89   12.5 12.5     ~ 423 1
74 NGC 4651 LIN 12 43 42.6376070448 +16 23 36.002649300   11.30 10.92 10.42 9.84 ~ 537 0
75 NGC 4654 H2G 12 43 56.638 +13 07 34.86   11.8       ~ 600 1
76 NGC 4682 GiG 12 47 15.5032131528 -10 03 48.130607628   12.9   11.97 12.6 ~ 104 0
77 NGC 4689 H2G 12 47 45.5568088416 +13 45 46.135889100   12.8       ~ 418 0
78 NGC 4698 Sy2 12 48 22.9082830584 +08 29 14.667552276   13.24 12.27     ~ 507 0
79 NGC 4701 AGN 12 49 11.5931072112 +03 23 19.389227964   13.1       ~ 181 0
80 NGC 4725 Sy2 12 50 26.5716367992 +25 30 02.733090588   13.45 12.44     ~ 727 2
81 NGC 4746 GiG 12 51 55.371 +12 04 58.90   13.3       ~ 162 1
82 NGC 4771 EmG 12 53 21.273 +01 16 09.02   12.92   12.4 12.2 ~ 136 1
83 NGC 4772 LIN 12 53 29.1636448512 +02 10 06.146331708 12.29 11.96 11.04     ~ 265 1
84 NGC 4793 SBG 12 54 40.6141698528 +28 56 19.233837060   12.50 11.93     ~ 193 2
85 NGC 4818 Sy2 12 56 48.907 -08 31 31.08   11   10.88   ~ 160 1
86 Z 15-44 EmG 12 57 12.166 -01 42 24.51   14.68   13.27 13.6 ~ 85 0
87 NGC 4845 Sy2 12 58 01.24153 +01 34 32.0880   17.40 16.31     ~ 259 1
88 NGC 4939 Sy2 13 04 14.3280524928 -10 20 22.300454724   14.81 13.80 10.92   ~ 332 1
89 NGC 4961 EmG 13 05 47.5766802528 +27 44 03.247625004   13.5       ~ 196 0
90 NGC 4995 Sy2 13 09 40.6390105944 -07 50 00.223871892   12   10.94   ~ 133 0
91 NGC 5005 LIN 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 567 2
92 NGC 5033 Sy2 13 13 27.535 +36 35 37.14   11.01 12.03 9.73   ~ 909 1
93 NGC 5073 Sy2 13 19 20.6629199856 -14 50 40.937423928   13.46   12.19   ~ 102 0
94 NGC 5112 GiP 13 21 56.4456124272 +38 44 04.107988140   12.5       ~ 162 0
95 NGC 5248 G 13 37 32.0145074088 +08 53 06.496982448   11.4       ~ 554 0
96 NGC 5364 GiP 13 56 12.004 +05 00 52.06   13.2       ~ 273 0
97 NGC 5506 Bla 14 13 14.8761010056 -03 12 27.556909272   15.25 14.38     ~ 1173 1
98 NGC 5566 AG? 14 20 19.94760 +03 56 00.9240 11.91 11.46 10.55     ~ 193 2

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