2006MNRAS.372.1856F

Query : 2006MNRAS.372.1856F

2006MNRAS.372.1856F - Mon. Not. R. Astron. Soc., 372, 1856-1868 (2006/November-2)

Kinematics, substructure and luminosity-weighted dynamics of six nearby galaxy groups.

FIRTH P., EVSTIGNEEVA E.A., JONES J.B., DRINKWATER M.J., PHILLIPPS S. and GREGG M.D.

Abstract (from CDS):

We have redefined group membership of six southern galaxy groups in the local universe (mean cz < 2000 km/s) based on new redshift measurements from our recently acquired Anglo-Australian Telescope 2dF spectra. For each group, we investigate member galaxy kinematics, substructure, luminosity functions and luminosity-weighted dynamics. Our calculations confirm that the group sizes, virial masses and luminosities cover the range expected for galaxy groups, except that the luminosity of NGC4038 is boosted by the central starburst merger pair. We find that a combination of kinematical, substructural and dynamical techniques can reliably distinguish loose, unvirialized groups from compact, dynamically relaxed groups. Applying these techniques, we find that Dorado, NGC4038 and NGC4697 are unvirialized, whereas NGC681, NGC1400 and NGC5084 are dynamically relaxed.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): galaxies: distances and redshifts - galaxies: kinematics and dynamics

Nomenclature: Table 12: [FEJ2006] JHHMMSS.s+DDMMSS N=4.

Simbad objects: 157

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Number of rows : 157
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 MCG-02-05-053 LSB 01 49 10.384 -10 03 38.54   13.1   12.37 13.4 ~ 73 0
2 NGC 681 Sy2 01 49 10.8143098656 -10 25 34.813193736   12.5   11.30 12.1 ~ 148 0
3 NAME NGC 681 Group GrG 01 49 49.2 -10 03 53           ~ 5 0
4 LEDA 993635 AG? 01 49 54.54 -09 13 43.1           ~ 9 0
5 LEDA 972575 AG? 01 50 06.26 -10 53 02.2           ~ 5 0
6 NGC 701 GiG 01 51 03.8830973976 -09 42 09.227365200   12.8   11.59 12.6 ~ 185 0
7 IC 1738 EmG 01 51 07.8974367719 -09 47 31.367247974   14   13.54   ~ 38 0
8 LEDA 988388 AG? 01 53 01.297 -09 38 20.84           ~ 7 0
9 NAME NGC 1400 Group GrG 03 32 16.00 -18 33 54.0           ~ 75 0
10 LEDA 74760 EmG 03 36 05.5008422664 -19 13 36.424566120   16.9       ~ 9 0
11 6dFGS gJ033613.8-180404 LIN 03 36 13.8276806208 -18 04 03.696679704   16.43       ~ 11 0
12 NGC 1383 GiG 03 37 39.2243743704 -18 20 21.946706016 13.81 13.45 12.47 11.95   ~ 62 1
13 LEDA 74795 GiG 03 37 41.0 -18 16 27   18.1       ~ 4 0
14 NGC 1390 GiG 03 37 52.160 -19 00 30.07   14.63   13.31 14.0 ~ 60 0
15 LEDA 74809 GiG 03 38 19.9 -18 50 13   18.0       ~ 5 0
16 NGC 1393 GiG 03 38 38.5764708384 -18 25 40.762595784 13.41 13.00 12.02 11.72   ~ 60 1
17 LEDA 74820 LSB 03 38 42.09 -18 53 58.3   16.7       ~ 7 0
18 NGC 1391 Sy2 03 38 52.9711905336 -18 21 14.764838436 14.79 14.25 13.34 12.93   ~ 33 1
19 2MASX J03385455-1752565 GiG 03 38 54.5789184744 -17 52 56.930046276   16.8       ~ 4 0
20 LEDA 74829 EmG 03 39 03.0537044736 -17 51 40.725687672   15.44       ~ 19 0
21 [FS90] NGC 1400 29 GiG 03 39 04 -18 32.1   18.6       ~ 2 0
22 LEDA 74831 LSB 03 39 04.52 -18 21 37.0   17.81       ~ 8 0
23 NGC 1394 GiG 03 39 06.9236093544 -18 17 32.446449996 14.28 13.66 12.81 12.36   ~ 38 1
24 2MASX J03391927-1800359 GiG 03 39 19.2741163176 -18 00 35.717684328   16.28       ~ 11 0
25 LEDA 74838 GiG 03 39 23.12 -18 45 30.3   16.67       ~ 8 0
26 2MASX J03392686-1912482 GiG 03 39 26.8251432288 -19 12 48.228836724   16.6       ~ 4 0
27 NGC 1402 Sy2 03 39 30.581 -18 31 37.26   13.96   12.88   ~ 42 1
28 NGC 1400 EmG 03 39 30.851 -18 41 17.25 12.48 12.01 10.96 10.45   ~ 309 1
29 LEDA 74844 LSB 03 39 41.65 -17 55 05.5   18.6       ~ 7 0
30 LEDA 74861 LSB 03 40 04.5 -17 52 43   18.3       ~ 5 0
31 IC 343 GiG 03 40 07.1371739136 -18 26 36.447632988   14.17 13.19 12.81   ~ 59 1
32 LEDA 74866 LSB 03 40 10.3 -18 56 38   18.4       ~ 5 0
33 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
34 2MASX J03401339-1819084 GiG 03 40 13.4431969992 -18 19 08.294240892   17.2       ~ 6 0
35 LEDA 74868 AG? 03 40 15.9467334648 -19 04 54.336796968   15.59       ~ 16 0
36 MCG-03-10-031 GiG 03 40 19.1730812136 -18 55 53.270187024   14.05   12.79   ~ 48 1
37 LEDA 74880 LSB 03 40 33.73 -18 39 03.5   16.8       ~ 10 0
38 LEDA 74885 GiG 03 40 42.5 -18 56 39   18.7       ~ 5 0
39 2MASX J03404323-1838431 GiG 03 40 43.2215976072 -18 38 43.082702700   15.41       ~ 34 0
40 LEDA 74889 GiG 03 40 46.7 -18 36 22   18.4       ~ 4 0
41 LEDA 74892 LSB 03 40 49.68 -18 50 50.2   18.2       ~ 8 0
42 6dFGS gJ034052.7-182841 GiG 03 40 52.7403814920 -18 28 40.387484388   15.63 13.8     ~ 17 0
43 [FS90] NGC 1400 74 GiG 03 41 04 -18 17.4   17.3       ~ 2 0
44 ESO 548-73 GiG 03 41 04.430 -19 05 40.06   15.55   14.41   ~ 18 0
45 2MASX J03410810-1748480 GiG 03 41 08.0793677544 -17 48 47.954230200   16.6       ~ 6 0
46 IC 345 GiG 03 41 09.1323938616 -18 18 50.879717424   14.57   13.55   ~ 33 0
47 LEDA 74909 GiG 03 41 18.61 -18 02 06.3   16.4       ~ 7 0
48 LEDA 74912 GiG 03 41 23.0 -18 38 07   17.4       ~ 4 0
49 2MASX J03412992-1815473 GiG 03 41 29.75280 -18 15 49.2588   16.10       ~ 7 0
50 IC 346 GiG 03 41 44.6787419208 -18 16 01.062534468   13.53   12.28   ~ 52 0
51 LEDA 74920 LSB 03 41 46.62 -17 44 21.2   17.32       ~ 9 0
52 MCG-03-10-036 GiG 03 41 56.0791895376 -18 53 42.775179108   14.22   13.03   ~ 37 0
53 2MASX J03415989-1842469 GiG 03 41 59.8778746752 -18 42 47.124076860   15.80       ~ 8 0
54 LEDA 74926 EmG 03 42 03.3284794440 -17 31 15.853936188   15.32       ~ 18 0
55 LEDA 74931 LSB 03 42 13.24 -18 56 51.9   18.7       ~ 6 0
56 LEDA 74935 GiG 03 42 19.9 -17 52 09   16.5       ~ 5 0
57 MCG-03-10-039 GiG 03 42 57.34 -19 01 12.4   14.78   13.71   ~ 48 0
58 2MASX J03434035-1827314 GiG 03 43 40.3629654480 -18 27 31.724546616   18.9       ~ 4 0
59 NGC 1440 GiG 03 45 02.9199469080 -18 15 57.720365172   12.48   10.77   ~ 83 0
60 NGC 1452 GiG 03 45 22.3130329272 -18 38 01.151045340   12.98   11.06   ~ 86 0
61 IC 2038 GiP 04 08 53.7569973144 -55 59 21.778144080   14.82   13.80   ~ 43 0
62 2MASX J04085387-5527331 GiG 04 08 53.8853658432 -55 27 33.400267776   16.28       ~ 13 0
63 IC 2039 GiP 04 09 02.3235506064 -56 00 41.646005964   14.97   13.91   ~ 35 0
64 NGC 1533 EmG 04 09 51.8356041744 -56 07 06.410207352   11.77 10.92 10.27 11.0 ~ 209 0
65 LEDA 75082 EmG 04 10 49.569 -56 21 10.52   15.9       ~ 6 0
66 NGC 1536 EmG 04 10 59.838 -56 28 49.64   13.29 13.15 12.19   ~ 88 0
67 2MASX J04115703-5647245 GiG 04 11 56.9786347560 -56 47 24.780098868   15.9       ~ 3 0
68 LEDA 75095 LSB 04 12 15.55 -55 52 07.4   16.7       ~ 9 0
69 NGC 1543 EmG 04 12 43.1692212984 -57 44 16.333531440   10.67 10.60 9.74 10.7 ~ 146 0
70 LEDA 75104 LSB 04 14 09.07 -55 42 26.7   16.4       ~ 9 0
71 NGC 1546 EmG 04 14 36.542 -56 03 38.92 12.15 12.31 10.92 10.84 11.2 ~ 133 1
72 [FS90] Dorado 33 GiG 04 14 41 -58 08.1   16.3       ~ 2 0
73 NGC 1549 GiP 04 15 45.223 -55 35 32.50 11.22 10.48 9.79 9.08   ~ 255 1
74 NGC 1553 GiP 04 16 10.4697802536 -55 46 48.072797400 10.76 10.10 9.40 8.74   ~ 395 2
75 IC 2058 EmG 04 17 54.3720552624 -55 55 57.738342360   13.90   12.94 13.2 ~ 100 2
76 2MASX J04180709-5555503 GiP 04 18 07.092 -55 55 50.36   16.18       ~ 14 1
77 [FS90] Dorado 44 GiG 04 18 36 -56 50.0   18.0       ~ 2 0
78 LEDA 75129 GiG 04 18 52.3 -55 56 27           ~ 3 0
79 [FS90] Dorado 46 GiG 04 19 05 -55 41.4   16.4       ~ 2 0
80 LEDA 75133 LSB 04 19 22.9270 -56 20 21.772   17.0       ~ 11 0
81 LEDA 75135 LSB 04 19 33.0 -55 29 00   18.2       ~ 6 0
82 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
83 NAME NGC 1566 Group GrG 04 20 00.6 -54 56 17           ~ 180 0
84 LEDA 75139 GiG 04 21 43.4 -55 44 49   16.7       ~ 4 0
85 2MASX J04214535-5637227 GiG 04 21 45.3709339248 -56 37 22.242926712   17.0       ~ 4 0
86 LEDA 75141 GiG 04 21 54.2 -56 25 23   19.0       ~ 3 0
87 LEDA 75143 AGN 04 22 03.7815508536 -56 21 27.915489108   16.3       ~ 10 0
88 LEDA 75146 GiG 04 22 51.74 -56 13 38.6   16.25       ~ 15 0
89 NGC 1581 GiG 04 24 44.9207289696 -54 56 31.345216980   13.36   12.24   ~ 59 0
90 ESO 157-30 GiG 04 27 32.6423254392 -54 11 48.449650596   14.30   13.29   ~ 41 0
91 NGC 1596 GiP 04 27 38.1079224792 -55 01 39.852944076   12.01 10.97 10.54   ~ 121 0
92 NGC 1602 GiP 04 27 54.9623026656 -55 03 27.613984968   13.79 13.33 12.93 13.0 ~ 62 0
93 ESO 572-8 GiG 11 53 05.482 -18 22 41.21   14.59   13.82   ~ 18 0
94 ESO 572-9 AG? 11 53 23.9104 -18 10 00.706   17.30   16.54 16.2 ~ 20 0
95 NGC 3955 EmG 11 53 57.1547672856 -23 09 51.315942528   12.30 11.90 11.19   ~ 105 1
96 NGC 3956 EmG 11 54 00.6817775592 -20 34 02.729902476   12.99   11.85 12.6 ~ 95 0
97 NGC 3957 Sy2 11 54 01.5349526640 -19 34 08.004900504   13.00   11.42   ~ 97 0
98 MCG-03-30-019 EmG 11 54 49.603 -16 51 52.37   13.9   13.97 13.7 ~ 47 0
99 MCG-03-31-001a Sy1 11 55 50.592 -18 11 47.50   13.95   12.89 13.6 ~ 57 0
100 NGC 3981 GiP 11 56 07.445 -19 53 46.24   11.75   10.25 11.7 ~ 116 0
101 MCG-03-31-002 GiG 11 56 22.496 -19 33 07.45   15.00   13.89 14.4 ~ 48 0
102 MCG-03-31-003 EmG 11 56 57.9021728784 -19 51 18.413384040   13.52   11.94   ~ 37 0
103 LEDA 37671 Sy1 11 58 23.7866259240 -19 31 03.345563028   15.37   14.27   ~ 8 0
104 MCG-04-28-008 GiG 11 58 25.41 -22 26 24.3   14.38   13.24 13.7 ~ 50 0
105 NGC 4024 GiG 11 58 31.2459759168 -18 20 48.512930064   12.91   11.29   ~ 76 0
106 ESO 572-32 AG? 11 58 45.50 -19 50 45.0   17.03   16.48 15.0 ~ 15 0
107 MCG-03-31-006 EmG 11 58 58.114 -19 01 47.67   14.19 17.8 13.41 14.4 ~ 91 0
108 NGC 4027A GiG 11 59 29.340 -19 19 59.52   15.03   14.11   ~ 22 1
109 NGC 4027 AG? 11 59 30.168 -19 15 54.62   11.71 11.10 10.60 11.5 ~ 250 1
110 NAME NGC 4038 Group GrG 11 59 57.2 -19 16 21           ~ 11 0
111 NGC 4035 EmG 12 00 29.213 -15 56 54.38   13.7   13.04 13.5 ~ 37 0
112 NGC 4033 GiG 12 00 34.7437664736 -17 50 33.482206500   12.79   11.32   ~ 102 0
113 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
114 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
115 NGC 4050 EmG 12 02 53.9496667536 -16 22 25.059389916   12   11.22   ~ 82 0
116 MCG-03-31-017 AG? 12 03 24.4865001192 -19 31 22.110884652   14.69   13.81 14.3 ~ 47 0
117 MCG-04-29-006 EmG 12 06 07.22 -22 50 57.8   13.04   12.41 12.6 ~ 46 0
118 MCG-04-29-011 Sy2 12 09 36.23 -23 24 43.0   15.32   14.53   ~ 36 0
119 MCG-03-31-024 G 12 12 55.0 -20 25 11   14.5   14.2 13.9 ~ 26 0
120 MCG-01-33-001 LSB 12 44 03.5405930808 -05 40 33.952599156   12.6   12.7 12.7 ~ 63 0
121 MCG-01-33-003 GiG 12 45 41.3496635640 -06 04 10.835842548   12.7   12.8 12.6 ~ 54 0
122 NAME NGC 4697 Group GrG 12 48 35.7 -05 48 03           ~ 14 0
123 NGC 4697 GiG 12 48 35.8981498824 -05 48 02.482374564   10.97   9.83   ~ 895 0
124 MCG-01-33-011 EmG 12 48 43.574 -05 15 09.60   14.5   14.4 13.9 ~ 32 0
125 MCG-01-33-014 AG? 12 49 18.30 -04 00 58.6   14.2   14.2 14.3 ~ 40 1
126 NGC 4731 Sy2 12 51 01.095 -06 23 34.98   12.0   16.23 12.0 ~ 197 0
127 NGC 4731A GiP 12 51 13.26 -06 33 33.9   14.5       ~ 28 0
128 LEDA 1030098 AG? 12 51 57.34 -06 40 39.4           ~ 4 0
129 MCG-01-33-033 AG? 12 52 36.27 -06 17 23.1   16       ~ 19 0
130 UGCA 305 G 12 53 21.8 -04 58 42   17       ~ 10 0
131 LCRS B125056.4-053926 AG? 12 53 31.60 -05 55 40.2           ~ 3 0
132 NGC 4775 EmG 12 53 45.707 -06 37 19.73   12.3   11.19 12.0 ~ 165 0
133 NGC 4813 Sy2 12 56 36.0825289416 -06 49 04.544783004   15   12.62   ~ 33 0
134 IC 3908 EmG 12 56 40.624 -07 33 46.08   13.5   12.19 12.6 ~ 97 0
135 UGCA 310 AG? 12 57 12.12 -04 09 31.8   14.7   14.7 14.6 ~ 16 0
136 MCG-01-33-059 GiG 12 57 15.846 -05 20 46.51   13.3   13.3 13.2 ~ 44 0
137 MCG-01-33-061 GiG 12 58 48.88 -06 06 46.4   14.79   13.72 13.8 ~ 40 0
138 NGC 4941 Sy2 13 04 13.1036380320 -05 33 05.752803672   13.18 12.23 10.74   ~ 410 0
139 NGC 4948 EmG 13 04 55.953 -07 56 51.76   13.62   16.25 13.0 ~ 66 0
140 NGC 4951 Sy2 13 05 07.7079609936 -06 29 37.815206856   12.5   11.45 12.1 ~ 106 0
141 MCG-01-33-082 GiP 13 05 14.32 -07 53 21.4   16       ~ 20 0
142 NGC 4958 Sy1 13 05 48.8957905464 -08 01 12.999361656   12.10   10.77   ~ 109 0
143 NGC 5068 AG? 13 18 54.807 -21 02 20.76 11.24 10.53 10.01 9.78 10.1 ~ 354 0
144 MCG-04-32-002 GiG 13 19 47.2416131640 -21 54 00.030391344   13.96   12.83   ~ 33 0
145 GALEXASC J132012.36-220008.9 AG? 13 20 12.51 -22 00 09.6           ~ 5 0
146 NGC 5084 Sy2 13 20 16.923 -21 49 39.28   11.15 12.21 9.84 10.5 ~ 192 1
147 NGC 5087 Sy2 13 20 24.9671751960 -20 36 39.392008020   11.96 12.08 10.41   ~ 104 0
148 MCG-04-32-007 EmG 13 20 43.744 -22 03 03.92   14.66   13.67 13.9 ~ 91 0
149 6dFGS gJ132049.6-220318 GiP 13 20 49.60704 -22 03 18.2952   17.42   16.52   ~ 8 0
150 NAME NGC 5084 Group GrG 13 21 30.4 -21 15 18           ~ 15 0
151 [FEJ2006] J132136.2-203635 GiG 13 21 36.2 -02 36 35           ~ 1 0
152 LEDA 822985 GiG 13 22 15.70 -21 50 31.0           ~ 3 0
153 LEDA 823428 GiG 13 22 39.50 -21 48 33.0           ~ 3 0
154 LEDA 841170 GiG 13 23 30.40 -20 28 44.0           ~ 3 0
155 IC 4237 EmG 13 24 32.7441934944 -21 08 12.912734724   13.25   11.84 12.3 ~ 88 0
156 MCG-03-34-069 EmG 13 24 41.799 -19 41 45.41   13.08   12.09 12.4 ~ 65 0
157 NGC 5134 EmG 13 25 18.5250908808 -21 08 03.066281880   12.11   10.77 11.3 ~ 127 0

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