2013MNRAS.429.2264K

Query : 2013MNRAS.429.2264K

2013MNRAS.429.2264K - Mon. Not. R. Astron. Soc., 429, 2264-2273 (2013/March-1)

Anatomy of Ursa Majoris.

KARACHENTSEV I.D., NASONOVA O.G. and COURTOIS H.M.

Abstract (from CDS):

A nearby friable cloud in Ursa Majoris contains 270 galaxies with radial velocities 500 < VLG < 1500k/s inside the area of RA = [11^h. 0, 13^h. 0] and Dec. = [ + 40°, +60°]. At present, 97 galaxies of them have individual distance estimates. We use these data to clarify the structure and kinematics of the UMa complex.

According to Makarov & Karachentsev, most of the UMa galaxies belong to seven bound groups, which have the following median parameters: velocity dispersion of 58k/s, harmonic projected radius of 300 kpc, virial mass of 2x1012M☉ and virial mass-to-K-band luminosity ratio of 27M☉/L☉. Almost a half of the UMa cloud population are gas-rich dwarfs (Ir, Im, BCD) with active star formation seen in the GALEX UV-survey. The UMa groups reside within 15-19 Mpc from us, being just at the same distance as the Virgo cluster. The total virial mass of the UMa groups is 4x1013M☉, yielding the average density of dark matter in the UMa cloud to be Ωm = 0.08, i.e. a factor of 3 lower than the cosmic average. This is despite the fact that the UMa cloud resides in a region of the Universe that is an apparent overdensity. A possible explanation for this is that most mass in the Universe lies in the empty space between clusters. Herewith, the mean distances and velocities of the UMa groups follow nearly undisturbed Hubble flow without a sign of the `Z-wave' effect caused by infall towards a massive attractor. This constrains the total amount of dark matter between the UMa groups within the cloud volume.


Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)

Journal keyword(s): galaxies: distances and redshifts - cosmological parameters - large-scale structure of Universe

VizieR on-line data: <Available at CDS (J/MNRAS/429/2264): table1.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 191

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Number of rows : 191
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 UMa Cloud MoC 09 35 +70.0           ~ 53 1
2 NAME M 81-82 Group GrG 09 55 +69.1           ~ 758 0
3 Z 36-12 H2G 10 00 00.8217342072 +05 20 09.533389560 12.77 12.25 11.89 11.71   ~ 569 0
4 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 825 2
5 NAME Antlia Dwarf Galaxy G 10 04 03.9 -27 20 01 16.73 15.69 15.17 15.00   ~ 221 1
6 MCG-01-26-030 H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 789 2
7 NAME UMa Region reg 11 00 +50.0           ~ 333 0
8 MCG+09-18-066 AG? 11 00 00.174 +54 25 31.63   16       ~ 11 0
9 UGC 6113 LSB 11 02 47.848 +52 06 48.85   19       ~ 19 0
10 Z 213-29 AG? 11 06 49.194 +43 43 23.73   14.4       ~ 50 0
11 Z 267-43 AG? 11 08 03.0105538656 +53 36 57.585046932   14.1       ~ 30 0
12 Z 267-45 AG? 11 09 35.519 +50 55 32.84   15.4       ~ 18 0
13 Z 241-88 LSB 11 09 58.375 +46 05 41.59   15.6       ~ 30 0
14 M 108 AGN 11 11 30.967 +55 40 26.84   10.70       ~ 497 1
15 Z 291-40 AG? 11 13 20.743 +59 54 30.01   14.6       ~ 48 0
16 Z 267-52 AG? 11 13 25.811 +53 35 39.69   15.7       ~ 37 0
17 NGC 3600 H2G 11 15 51.980 +41 35 28.96   12.6       ~ 124 0
18 Z 268-12 AG? 11 17 00.322 +50 35 04.69   15.4       ~ 11 0
19 NAME Arp's Galaxy AG? 11 19 34.344 +51 30 12.17   17.3       ~ 78 0
20 NGC 3631 AG? 11 21 02.8871865144 +53 10 10.415331660   11.0       ~ 385 1
21 Z 268-28 AG? 11 23 23.2200537264 +50 53 33.503083728   14.9       ~ 116 0
22 NGC 3657 H2G 11 23 55.5870997368 +52 55 15.535718220   13.1       ~ 73 0
23 NGC 3675 GiG 11 26 08.5641089832 +43 35 09.587062464   11.04   9.57   ~ 300 1
24 Z 268-36 GiC 11 26 40.4656762968 +53 44 48.012539280   14.5       ~ 164 0
25 IC 691 AGN 11 26 44.31576 +59 09 19.5120   14.2       ~ 106 0
26 LEDA 35433 AG? 11 29 54.052 +52 24 14.18           ~ 19 0
27 NGC 3718 Sy2 11 32 34.8571790688 +53 04 04.520222040   11.35 10.61     ~ 408 1
28 NGC 3726 G 11 33 21.1367545656 +47 01 45.280222428   11.11   10.02   ~ 374 0
29 NGC 3729 GiP 11 33 49.321 +53 07 31.79   12.2       ~ 221 1
30 NGC 3733 AG? 11 35 01.6242268032 +54 51 01.688019408           ~ 93 1
31 MCG+10-17-017 AG? 11 35 18.143 +58 53 18.69   16       ~ 12 0
32 MCG+10-17-020 GiP 11 35 43.73328 +58 11 33.0000   16.5       ~ 29 0
33 Z 292-9 GiP 11 36 26.47296 +58 11 28.9572   14.3       ~ 97 1
34 NGC 3756 GiG 11 36 48.0255259872 +54 17 36.721532292   12.1       ~ 193 0
35 NGC 3757 GiG 11 37 02.8650138288 +58 24 55.817369748   13.5       ~ 87 0
36 NGC 3769 GiP 11 37 44.0727836208 +47 53 34.782808956   11.7       ~ 195 0
37 NGC 3769A GiP 11 37 50.277 +47 52 53.98   14.7       ~ 45 0
38 NGC 3795B SyG 11 38 08.5586485752 +58 45 29.772328032   14.0       ~ 38 0
39 Mrk 1450 AGN 11 38 35.6552554896 +57 52 26.636623644   15.5       ~ 130 1
40 Z 214-22 AG? 11 38 51.508 +43 09 56.37   15.4       ~ 18 0
41 NGC 3782 GiG 11 39 20.680 +46 30 48.20   13.1       ~ 115 0
42 NGC 3795A AG? 11 39 21.3442791864 +58 16 06.980315664   14.2       ~ 67 0
43 LEDA 166114 LSB 11 40 03.2 +46 28 51           ~ 12 0
44 Z 242-72 AG? 11 40 05.7497793984 +45 56 31.750795896   14.6       ~ 87 0
45 NGC 3795 GiG 11 40 06.841 +58 36 47.37   14.1       ~ 91 0
46 NGC 3804 LSB 11 40 54.2302328040 +56 12 07.479490968   13.8       ~ 110 1
47 Z 242-75 AG? 11 41 21.958 +46 23 35.52   15.4       ~ 12 0
48 Z 268-71 GiC 11 42 26.309 +51 35 52.82   14.8       ~ 130 0
49 Z 268-72 AG? 11 42 27.2065358784 +54 49 08.390882208   15.3       ~ 16 0
50 MCG+10-17-049 AG? 11 43 09.339 +59 06 21.52   16.5       ~ 39 0
51 MCG+09-19-163 GiC 11 43 31.13208 +55 28 43.9068   16.0       ~ 22 0
52 NGC 3838 GiP 11 44 13.7648109936 +57 56 53.538816012   12.7       ~ 102 0
53 Z 242-77 AG? 11 44 24.918 +48 50 07.84   15.5       ~ 43 0
54 Z 292-24 GiP 11 44 52.1160922656 +57 52 24.371094720   15.3       ~ 16 0
55 NGC 3850 GiC 11 45 35.6792908103 +55 53 12.850289447   14.4       ~ 78 0
56 NGC 3870 H2G 11 45 56.634 +50 11 59.66   13.2       ~ 155 1
57 NGC 3877 GiG 11 46 07.782 +47 29 40.20   11.8       ~ 347 0
58 Z 292-31 AG? 11 47 45.253 +59 53 11.21   15.3       ~ 20 0
59 Z 243-7 AG? 11 48 00.48 +49 48 29.7   15.2       ~ 57 0
60 MCG+07-24-033 AG? 11 48 35.698 +43 43 15.08   16.5       ~ 21 0
61 NGC 3893 GiG 11 48 38.207 +48 42 38.84   11.23 10.67     ~ 391 1
62 [LSK86] 219 GiG 11 48.9 +57 24           ~ 2 0
63 NGC 3896 GiP 11 48 56.382 +48 40 28.79   14.05 13.57     ~ 94 0
64 NGC 3898 LIN 11 49 15.370 +56 05 03.66   11.7       ~ 329 1
65 NGC 3906 AG? 11 49 40.496 +48 25 33.46   14.1       ~ 103 0
66 LEDA 2399182 GiC 11 49 54.453 +51 44 10.99   17.0       ~ 24 0
67 LEDA 2807144 G 11 50 05.1 +55 47 33   16.5       ~ 16 0
68 MCG+09-19-209 GiC 11 50 06.650 +51 51 17.13   16.0       ~ 47 0
69 Z 214-30 AG? 11 50 12.187 +42 04 29.82   14.20       ~ 64 0
70 NGC 3913 AG? 11 50 38.9407040280 +55 21 13.894641396   14.2       ~ 169 0
71 NGC 3917 GiP 11 50 45.4481861760 +51 49 27.919475076   12.5       ~ 201 0
72 Z 243-15 AG? 11 50 46.9776888960 +45 48 26.384111676   14.6       ~ 89 0
73 Z 292-37 GiC 11 50 47.70 +56 27 21.1   15.1       ~ 75 0
74 Mrk 1460 EmG 11 50 50.1094537992 +48 15 04.844817792   17.0       ~ 32 0
75 NGC 3922 GiG 11 51 13.4350927728 +50 09 24.771563208   13.8       ~ 59 0
76 NGC 3931 GiP 11 51 13.4504229480 +52 00 03.021500232   14.6       ~ 53 0
77 NGC 3928 SyG 11 51 47.6194275264 +48 40 59.261680020   13.1       ~ 183 0
78 Z 269-12 GiP 11 52 07.07728 +52 06 28.5595   15.6       ~ 63 0
79 NGC 3924 AG? 11 52 39.1580744976 +50 02 15.978510276   15.7       ~ 45 0
80 NGC 3938 GiG 11 52 49.4335936248 +44 07 14.697085116 10.80 10.90 10.38     ~ 566 1
81 NGC 3949 GiC 11 53 41.7311041896 +47 51 31.401451476   10.9       ~ 351 1
82 NGC 3953 GiG 11 53 49.0086582552 +52 19 36.475395312   11.08   9.71   ~ 380 0
83 LEDA 37401 LSB 11 55 14.27 +44 09 02.3   16.7       ~ 14 0
84 Z 269-15 AG? 11 55 23.49432 +54 39 26.3880   15.6       ~ 55 0
85 Z 292-46 AG? 11 55 37.127 +56 15 11.50   15.6       ~ 14 0
86 NGC 3972 GiG 11 55 45.09048 +55 19 14.6460   13.14   11.94   ~ 242 1
87 Z 292-48 AG? 11 56 14.218 +58 11 57.80   15.1       ~ 28 0
88 NGC 3982 Sy2 11 56 28.1445516072 +55 07 30.859586652   12.20 11.70 11.18   ~ 588 1
89 Z 269-18 GiG 11 56 28.76784 +50 25 42.0132   14.0       ~ 148 0
90 Z 269-20 AG? 11 56 37.49496 +55 37 59.5884   15.19   13.85   ~ 50 0
91 NGC 3985 GiG 11 56 42.1288367760 +48 20 03.129462132   13.0       ~ 122 0
92 Z 269-22 GiC 11 56 49.526 +53 09 37.21   13.90   12.96   ~ 155 0
93 Z 269-21 AG? 11 56 52.142 +50 49 01.16   15.4       ~ 63 0
94 MCG+10-17-111 LSB 11 56 55.417 +57 30 47.52   16.0       ~ 19 0
95 Z 243-32 EmG 11 57 17.3777198280 +49 17 00.669514488   14.2       ~ 140 0
96 Z 292-53 AG? 11 57 25.435 +57 55 48.06   14.5       ~ 59 0
97 NGC 3990 GiP 11 57 35.5746104280 +55 27 31.486195296   13.57   12.10   ~ 124 0
98 M 109 GiG 11 57 35.9631479640 +53 22 29.006082336   10.94   9.57   ~ 483 0
99 MCG+09-20-045 AG? 11 57 47.584 +53 14 04.03   16.27   15.59   ~ 40 0
100 NGC 3998 Sy2 11 57 56.1334044408 +55 27 12.922443432   11.64 12.10 10.09   ~ 682 2
101 MCG+08-22-048 GiC 11 58 11.556 +48 52 49.79   16       ~ 15 0
102 MCG+09-20-050 AG? 11 58 25.96 +50 55 03.4   17       ~ 67 0
103 NGC 4013 GiG 11 58 31.417 +43 56 49.28   12.4       ~ 447 1
104 IC 749 GiP 11 58 34.0447608696 +42 44 02.528915820   13.4 12.52     ~ 137 0
105 NGC 4010 G 11 58 37.991 +47 15 40.72   13.1       ~ 164 0
106 Z 269-26 LSB 11 58 47.248 +53 25 32.55   15.07   14.23   ~ 70 0
107 IC 750 AGN 11 58 52.22547 +42 43 20.6540   12.7 12.17     ~ 190 1
108 UGCA 259 AG? 11 58 53.8415 +45 44 01.797   17       ~ 20 0
109 Z 215-13 AG? 11 58 56.832 +44 11 34.64   15.7       ~ 10 0
110 Z 269-28 GiC 11 59 08.734 +52 42 28.03   14.5       ~ 182 0
111 NGC 4026 GiP 11 59 25.0914676128 +50 57 41.951225700   12.17       ~ 290 0
112 KUG 1156+426 PaG 11 59 29.23 +42 20 55.0   16.5       ~ 3 0
113 MCG+09-20-054 AG? 11 59 51.894 +55 39 55.12   16.5       ~ 18 0
114 MCG+08-22-051 GiC 11 59 57.6822171528 +49 33 49.859931492   16       ~ 18 0
115 LEDA 166118 LSB 11 59 58.203 +44 43 07.77           ~ 12 0
116 Z 269-30 GiP 12 00 19.017 +50 39 10.16   14.9       ~ 46 0
117 UGCA 262 GiC 12 00 35.422 +47 46 26.14   16.5       ~ 11 0
118 MCG+09-20-060 AG? 12 00 44.350 +54 33 15.17   18       ~ 11 0
119 MCG+09-20-063 AG? 12 01 00.363 +55 01 29.07   16       ~ 13 0
120 MCG+08-22-053 LSB 12 01 01.373 +49 54 48.01   18       ~ 16 0
121 MCG+08-22-057 GiC 12 02 43.7191356096 +45 11 27.808631088   16.0       ~ 14 0
122 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
123 NGC 4085 GiP 12 05 22.7304442992 +50 21 10.608113412   13.93 12.83     ~ 198 0
124 NGC 4088 AGN 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 428 1
125 Z 215-23 GiP 12 05 57.746 +43 08 36.08   14.40       ~ 123 1
126 NGC 4096 GiG 12 06 01.161 +47 28 42.09   11.61   10.86   ~ 271 0
127 NGC 4100 GiG 12 06 08.602 +49 34 56.32   11.7       ~ 269 0
128 Z 215-25 LSB 12 06 10.774 +42 57 20.85   15.6       ~ 66 0
129 NGC 4102 Sy2 12 06 23.11513 +52 42 39.4160   11.8       ~ 449 1
130 NGC 4111 LIN 12 07 03.1334091672 +43 03 56.345868252 12.07 11.63 10.74     ~ 350 1
131 NGC 4117 Sy2 12 07 46.1195809200 +43 07 34.818483864   14.04       ~ 178 1
132 NGC 4118 EmG 12 07 52.844 +43 06 40.26   15.7       ~ 26 0
133 Z 215-33 EmG 12 08 55.0537236360 +41 44 27.144544812   14.3       ~ 82 0
134 NGC 4138 Sy2 12 09 29.8011417048 +43 41 06.864140004 12.46 12.29 11.32 10.82   ~ 436 1
135 NGC 4142 GiC 12 09 30.1608521208 +53 06 17.156506896   14.3       ~ 79 0
136 NGC 4143 LIN 12 09 36.0679174440 +42 32 03.031963368   13.04 12.08     ~ 251 0
137 MCG+07-25-038 AG? 12 09 49.148 +43 14 04.88   17       ~ 16 0
138 NAME NGC 4151 Group GrG 12 10 32.6 +39 24 21           ~ 9 0
139 MCG+08-22-081 AG? 12 10 55.230 +50 17 15.19 16.44 16.60 15.81     ~ 30 1
140 LEDA 2815998 AG? 12 11 00.681 +52 49 56.90   16.5       ~ 15 0
141 NGC 4157 GiC 12 11 04.365 +50 29 04.85 12.48 12.15 11.35     ~ 373 2
142 MCG+08-22-082 GiP 12 11 22.566 +50 16 10.28   16       ~ 13 0
143 MCG+08-22-083 AG? 12 11 55.708 +46 58 54.59   17       ~ 13 0
144 SBSG 1210+537 AG? 12 12 55.8714787848 +53 27 37.648427688   16.5       ~ 19 0
145 Z 269-40 AG? 12 12 56.61 +52 15 49.8   15.0       ~ 48 0
146 NGC 4183 GiG 12 13 16.860 +43 41 53.77   13.5       ~ 213 0
147 LEDA 39055 EmG 12 14 02.4588226248 +53 45 17.525587212   18       ~ 87 0
148 Z 269-47 AG? 12 15 23.652 +51 20 59.63   14.68   13.97   ~ 57 0
149 Z 215-55 GiG 12 15 33.442 +43 26 02.81   15.4       ~ 50 0
150 NGC 4218 GiP 12 15 46.1787155088 +48 07 52.628679084   13.2       ~ 96 0
151 NGC 4217 GiG 12 15 50.900 +47 05 30.44   12.4       ~ 324 2
152 MCG+08-22-086 AG? 12 16 02.227 +46 43 58.18   16       ~ 13 0
153 NGC 4220 G 12 16 11.7271475400 +47 53 00.116701188   12.4       ~ 166 0
154 Z 243-58 GiC 12 16 42.081 +46 04 43.56   15.49       ~ 67 1
155 MCG+08-22-095 LSB 12 17 28.5603051288 +44 48 40.519415952   16.5       ~ 24 0
156 NGC 4242 GiG 12 17 30.1835103480 +45 37 09.508940220   11.37 10.83     ~ 285 1
157 NGC 4248 GiG 12 17 49.8429850848 +47 24 33.085192824   13.12 12.53     ~ 129 1
158 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
159 LEDA 166128 LSB 12 19 32.7 +43 23 13           ~ 16 0
160 MCG+08-23-004 AG? 12 20 16.243 +45 54 30.43   16.5       ~ 15 0
161 MCG+08-23-003 AG? 12 20 17.493 +48 08 15.66   16.5       ~ 26 0
162 NGC 4288 GiG 12 20 38.119 +46 17 27.67   13.6       ~ 187 0
163 MCG+08-23-008 LSB 12 20 48.421 +47 49 33.32   16.5       ~ 25 0
164 Z 244-7 GiG 12 21 15.01 +45 48 40.8   14.8       ~ 123 2
165 NGC 4346 GiG 12 23 27.9622537560 +46 59 37.642074396   12.3       ~ 122 0
166 NGC 4389 GiG 12 25 35.098 +45 41 04.81   12.64   11.46   ~ 157 0
167 Z 293-20 AG? 12 26 07.867 +58 19 01.93   15.3       ~ 57 0
168 MCG+07-26-010 EmG 12 28 44.078 +43 13 25.79   16.0       ~ 106 0
169 NGC 4460 H2G 12 28 45.557 +44 51 51.25   12.5       ~ 147 0
170 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 305 2
171 NGC 4490 GiG 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 616 3
172 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
173 NAME Local Supercluster SCG 12 31 +12.4           ~ 566 0
174 LEDA 4015941 G 12 31 09.094 +42 05 33.91           ~ 16 0
175 Z 216-10 LSB 12 32 26.893 +42 42 14.84   13.7       ~ 130 0
176 MCG+07-26-029 LSB 12 35 11.596 +41 03 34.69   16.5       ~ 36 0
177 Z 216-14 LSB 12 36 22.716 +40 00 18.72   15.2       ~ 95 0
178 MCG+08-23-071 LSB 12 39 39.47040 +44 49 12.3960   17       ~ 29 0
179 NGC 4618 GiP 12 41 32.8976471760 +41 09 03.185175528 11.03 11.22 10.78     ~ 344 2
180 NGC 4625 SyG 12 41 52.7121819576 +41 16 26.115765780 12.74 12.92 12.35     ~ 383 2
181 MCG+09-21-035 LSB 12 43 44.81304 +53 57 31.6548   17       ~ 24 0
182 MCG+08-23-092 H2G 12 46 23.2763550240 +48 14 07.034269452   16.0       ~ 27 0
183 Z 270-22 bCG 12 46 56.426 +51 36 46.80   14.1       ~ 119 0
184 NGC 4707 AG? 12 48 21.666 +51 09 53.81   15.2       ~ 113 0
185 NGC 4800 GiG 12 54 37.7814061056 +46 31 52.276624140   12.0       ~ 159 0
186 NAME Cen A Group GrG 13 20 33.9 -44 58 51           ~ 274 0
187 NAME MBM 29-MBM 31 Cld ~ ~           ~ 3 0
188 NAME Leo Cloud Cld ~ ~           ~ 65 0
189 NAME NGC 3992 Group ? ~ ~           ~ 6 0
190 NAME NGC 4258 Group GrG ~ ~           ~ 14 0
191 NAME Local Group GrG ~ ~           ~ 9325 0

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