2016MNRAS.459.2212M

Query : 2016MNRAS.459.2212M

2016MNRAS.459.2212M - Mon. Not. R. Astron. Soc., 459, 2212-2236 (2016/June-3)

Galaxy evolution in nearby galaxy groups - III. A GALEX view of NGC 5846, the largest group in the local universe.

MARINO A., MAZZEI P., RAMPAZZO R. and BIANCHI L.

Abstract (from CDS):

We explore the co-evolution of galaxies in nearby groups (Vhel <= 3000 km/s) with a multiwavelength approach. We analyse GALEX far-UV (FUV) and near-UV (NUV) imaging, and Sloan Digital Sky Survey u, g, r, i, z data of groups spanning a large range of dynamical phases. We characterize the photometric properties of spectroscopically confirmed galaxy members and investigate the global properties of the groups through a dynamical analysis. Here, we focus on NGC 5846, the third most massive association of early-type galaxies (ETGs) after the Virgo and Fornax clusters. The group, composed of 90 members, is dominated by ETGs (about 80 per cent), and among ETGs about 40 per cent are dwarfs.
Result. are compared with those obtained for three groups in the LeoII cloud, which are radically different both in member-galaxy population and dynamical properties. The FUV-NUV cumulative colour distribution and the normalized UV luminosity function (LF) significantly differ due to the different fraction of late-type galaxy population. The UV LF of NGC 5846 resembles that of the Virgo cluster, however our analysis suggests that star formation episodes are still occurring in most of the group galaxies, including ETGs. The NUV-i colour distribution, the optical-UV colour-colour diagram, and NUV-r versus Mr colour-magnitude relation suggest that the gas contribution cannot be neglected in the evolution of ETG-type group members. Our analysis highlights that NGC 5846 is still in an active phase of its evolution, notwithstanding the dominance of dwarf and bright ETGs and its virialized configuration.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: formation - galaxies: groups: individual: (NGC 5846 group, USGC U677) - galaxies: kinematics and dynamics - galaxies: photometry - Ultraviolet: galaxies - Ultraviolet: galaxies

Simbad objects: 141

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Number of rows : 141
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 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
2 USGC U268 GrG 09 56 27.4 +32 58 59           ~ 4 0
3 LGG 225 GrG 10 54 00 +17 05.4           ~ 12 0
4 USGC U376 GrG 11 20 31.4 +17 42 02           ~ 6 0
5 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
6 NAME Local Supercluster SCG 12 31 +12.4           ~ 566 0
7 NGC 5486 LSB 14 07 25.027 +55 06 10.52   14.0       ~ 106 1
8 LEDA 1150067 G 14 48 24.648 -00 10 24.99           ~ 8 0
9 SDSS J144834.41+052552.4 G 14 48 34.419 +05 25 52.49           ~ 5 0
10 LEDA 1241857 AG? 14 50 22.857 +02 57 30.73           ~ 15 0
11 SDSS J145059.86+022016.4 G 14 50 59.862 +02 20 16.43           ~ 5 0
12 SDSS J145106.74+023126.9 AG? 14 51 06.746 +02 31 26.95           ~ 9 0
13 SDSS J145201.94+025841.7 AG? 14 52 01.945 +02 58 41.78           ~ 5 0
14 NGC 5768 Sy1 14 52 07.9533849360 -02 31 47.096307192   14.20   13.2 13.5 ~ 108 0
15 LEDA 4436980 AG? 14 52 43.398 +04 36 16.70           ~ 8 0
16 IC 1066 GiP 14 53 02.8555019400 +03 17 45.653096220   14.2       ~ 82 0
17 IC 1067 GiP 14 53 05.2360267944 +03 19 54.337726776   13.6       ~ 98 0
18 NGC 5770 GiG 14 53 15.0128865696 +03 57 35.024994900 13.49 13.15 12.26     ~ 109 1
19 USGC U665 CGG 14 53 33.8 +03 34 25           ~ 3 0
20 NGC 5774 GiP 14 53 42.46224 +03 34 56.9532   13.9 12.94     ~ 168 1
21 IC 1070 GiP 14 53 51.2833163568 +03 29 04.665529824   15.4       ~ 29 0
22 NGC 5775 GiG 14 53 57.653 +03 32 40.10   13.0 11.34     ~ 460 2
23 LEDA 135871 LSB 14 54 43.218 +01 09 48.91   17.8       ~ 11 0
24 Z 20-32 Sy2 14 55 42.901 -01 00 31.96   15.6       ~ 12 0
25 Z 48-72 GiG 14 56 01.2133619040 +02 27 48.820821804   15.1       ~ 17 0
26 Z 20-33 GiG 14 56 01.941 -01 23 15.57   13.8   13.8 14.0 ~ 49 0
27 LEDA 1186917 AG? 14 56 34.2471697392 +01 10 45.224689332           ~ 8 0
28 LEDA 184824 EmG 14 57 44.8509117144 -02 59 13.909039944   17.02   15.48   ~ 8 0
29 LEDA 1179522 AG? 14 57 53.069 +00 56 02.95       15.35   ~ 11 0
30 LEDA 184842 AG? 14 58 07.829 -01 18 45.25   16.32   15.38   ~ 11 0
31 USGC U672 GrG 14 58 08.6 -01 11 24           ~ 2 0
32 2MASX J14582114+0150437 GiG 14 58 21.1542789288 +01 50 43.512538272       14.14   ~ 11 0
33 NGC 5792 Sy2 14 58 22.709 -01 05 27.89   11.8   11.8 11.1 ~ 194 1
34 SDSS J145824.22+020511.0 LSB 14 58 24.225 +02 05 11.03       17.93   ~ 6 0
35 LEDA 4074773 GiG 14 58 28.640 +01 32 34.64       16.53   ~ 10 0
36 LEDA 1223766 GiG 14 58 40.886 +02 20 23.51       16.99   ~ 10 0
37 LEDA 1242097 AG? 14 58 46.062 +02 58 07.94       14.91   ~ 18 0
38 Z 20-39 GiG 14 58 48.7186892424 +02 01 24.710276208   14.9   13.02   ~ 32 0
39 [MTT2005] N5846-030 GiG 14 59 44.766 +02 07 52.18       17.16   ~ 7 0
40 NGC 5806 Sy2 15 00 00.4088018736 +01 53 28.779594792   12.40 11.70 10.94 11.6 ~ 305 1
41 Z 20-40 GiG 15 00 01.310 -01 05 27.86   15.5       ~ 19 0
42 Z 20-42 GiG 15 00 16.5832431024 +02 18 02.598103260   15.4   14.05   ~ 23 0
43 LEDA 4443182 GiG 15 00 19.179 +00 57 00.36       16.14   ~ 6 0
44 [MTT2005] N5846-046 GiG 15 00 26.9 +01 28 31       12.98   ~ 4 0
45 NGC 5811 GiP 15 00 27.407 +01 37 24.19   14.8   21.75   ~ 36 0
46 LEDA 3350778 AG? 15 00 33.024 +02 13 49.18       16.22   ~ 18 0
47 LEDA 1193898 GiG 15 00 52.5863969280 +01 24 17.854436808       15.27   ~ 11 0
48 LEDA 4018458 GiG 15 00 59.357 +01 52 36.17       18.54   ~ 8 0
49 LEDA 3350761 GiG 15 00 59.362 +01 38 57.14       17.17   ~ 9 0
50 LEDA 4016257 GiG 15 01 00.851 +01 00 49.87       16.98   ~ 11 0
51 Z 20-44 H2G 15 01 03.124 +00 42 26.97   15.6   14.57   ~ 29 0
52 LEDA 3350784 GiG 15 01 06.966 +02 05 25.24       17.22   ~ 8 0
53 NGC 5813 LIN 15 01 11.2302420864 +01 42 07.141569696 12.00 11.45 10.46 10.06   ~ 673 2
54 LEDA 1196740 GiG 15 01 15.337 +01 29 53.52       16.42   ~ 9 0
55 LEDA 1205406 GiG 15 01 15.894 +01 46 24.61       17.30   ~ 11 0
56 LEDA 3350757 GiG 15 01 38.390 +01 43 19.84       16.19   ~ 9 0
57 LEDA 1208589 GiG 15 01 38.612 +01 52 12.66       16.68   ~ 9 0
58 Z 20-48 GiG 15 02 03.534 +01 50 28.01   14.61   12.93   ~ 65 1
59 LEDA 1192611 GiG 15 02 28.132 +01 21 51.14       17.18   ~ 13 0
60 LEDA 4018466 GiG 15 02 33.029 +01 56 08.26       17.38   ~ 11 0
61 [MTT2005] N5846-091 GiG 15 02 36.038 +02 01 39.59       16.87   ~ 6 0
62 LEDA 1230503 GiG 15 03 44.281 +02 33 08.15       16.07   ~ 14 0
63 LEDA 1180802 GiG 15 03 49.932 +00 58 31.79       15.02   ~ 17 0
64 LEDA 1185375 AG? 15 03 50.3150870208 +01 07 36.529883580       14.67   ~ 18 0
65 LEDA 87108 G 15 03 56.1 +00 25 45           ~ 15 0
66 NGC 5831 GiG 15 04 07.0002600408 +01 13 11.705607012   13.1   11.19   ~ 304 0
67 LEDA 1197513 GiG 15 04 08.458 +01 31 28.15       14.94   ~ 17 0
68 LEDA 1230189 GiG 15 04 13.07819 +02 32 34.7521       14.98   ~ 10 0
69 USGC U677 GrG 15 04 16.1 +01 57 31           ~ 3 0
70 LEDA 1179083 GiG 15 04 23.790 +00 55 05.71       16.30   ~ 8 0
71 LEDA 1216386 GiG 15 04 24.693 +02 06 52.53       15.92   ~ 14 0
72 Z 20-55 LSB 15 04 30.15 -00 51 04.8   14.5   14.4 14.1 ~ 51 0
73 LEDA 2801020 AG? 15 04 34.225 -02 35 13.10           ~ 10 0
74 SDSS J150434.29+010156.8 GiG 15 04 34.294 +01 01 56.84       17.36   ~ 6 0
75 LEDA 1190315 GiG 15 04 42.900 +01 17 27.23       15.41   ~ 14 0
76 LEDA 4009173 GiG 15 04 48.505 +01 58 50.70       17.09   ~ 9 0
77 LEDA 1211621 GiG 15 05 04.403 +01 57 51.52       16.30   ~ 16 0
78 NGC 5838 GiG 15 05 26.2447857696 +02 05 57.349108392   12.1   10.26   ~ 252 0
79 NGC 5839 GiG 15 05 27.4892848248 +01 38 05.284771152   13.9 12.19 11.67 10.72 ~ 113 0
80 LEDA 1190358 GiG 15 05 28.630 +01 17 28.52       16.02   ~ 21 0
81 LEDA 1199471 AG? 15 05 31.838 +01 35 15.51     17.09 16.66 16.05 ~ 11 0
82 LEDA 1190714 GiG 15 05 37.740 +01 18 11.28       15.95   ~ 13 0
83 NAME NGC 5846 Group GrG 15 05 47.0 +01 34 25           ~ 165 0
84 LEDA 1209872 GiG 15 05 50.578 +01 54 29.80       15.33   ~ 14 0
85 LEDA 1213020 GiG 15 05 53.258 +02 00 27.06       17.11   ~ 13 0
86 NGC 5845 GiG 15 06 00.7823239488 +01 38 01.704838596   13.8 11.20 12.06 9.94 ~ 403 0
87 LEDA 1218738 GiG 15 06 03.322 +02 11 05.58       14.79   ~ 13 0
88 LEDA 1191322 GiG 15 06 06.736 +01 19 20.91       16.47   ~ 12 0
89 LEDA 1215798 GiG 15 06 11.33 +02 05 46.5       15.54   ~ 18 0
90 NGC 5846A GiP 15 06 29.2023813744 +01 35 41.627266512   14.1 13.37 13.07 12.1 ~ 125 0
91 NGC 5846 rG 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 891 2
92 SDSS J150634.25+001255.7 AG? 15 06 34.2522092232 +00 12 55.716695892           ~ 5 0
93 2MASS J15063426+0133317 GiG 15 06 34.2746979792 +01 33 31.731496740     15.27 14.76 13.96 ~ 22 0
94 NGC 5848 GiP 15 06 35.0399158656 +02 00 17.384867892   14.8   12.70   ~ 40 0
95 LEDA 1156476 AG? 15 06 40.971 +00 04 36.31           ~ 9 0
96 LEDA 1171244 AG? 15 06 42.04 +00 38 03.8       16.84   ~ 8 0
97 [MTT2005] N5846-226 GiG 15 06 58.372 +01 59 39.55       17.63   ~ 7 0
98 NGC 5850 LIN 15 07 07.6828131840 +01 32 39.513281352   11.5   10.79 11.1 ~ 330 1
99 LEDA 1085904 AG? 15 07 08.0903630208 -02 39 46.005245892           ~ 6 0
100 LEDA 1185172 GiG 15 07 34.185 +01 07 13.17       16.23   ~ 8 0
101 Z 21-9 AG? 15 07 37.189 +02 01 09.80   15.7   14.25   ~ 14 0
102 NGC 5854 GiG 15 07 47.6993537544 +02 34 07.059522288   13.1   11.23   ~ 155 0
103 Z 21-11 GiG 15 07 47.8251198528 +01 17 31.433455500   15.6   14.10   ~ 16 0
104 LEDA 1217593 GiG 15 08 01.375 +02 09 03.86       16.99   ~ 12 0
105 Z 21-13 GiG 15 08 05.654 +01 39 05.91   15.6   14.22   ~ 20 0
106 [MTT2005] N5846-258 GiG 15 08 08.433 +02 54 16.58       17.64   ~ 6 0
107 [MTT2005] N5846-259 GiG 15 08 09.2 +01 25 14       18.15   ~ 4 0
108 Z 21-15 AG? 15 08 09.249 +01 36 29.76   15.7   14.67   ~ 13 0
109 LEDA 4012733 GiG 15 08 12.3881750808 +01 29 58.742687976       16.61   ~ 10 0
110 [MTT2005] N5846-264 GiG 15 08 19.892 +01 41 23.57       18.80   ~ 4 0
111 LEDA 1206166 Sy2 15 08 22.691 +01 47 55.00   20.51 20.01 17.13   ~ 18 0
112 SDSS J150825.57+014224.7 GiG 15 08 25.574 +01 42 24.82       18.57   ~ 5 0
113 LEDA 1209573 GiG 15 08 47.188 +01 53 59.90       15.77   ~ 9 0
114 2MASX J15090433+0049185 GiG 15 09 04.292 +00 49 19.17       16.08   ~ 11 0
115 LEDA 4005496 AG? 15 09 07.86 +00 43 29.6       17.79   ~ 13 0
116 LEDA 1210284 GiG 15 09 14.973 +01 55 17.18       15.52   ~ 13 0
117 NGC 5864 GiG 15 09 33.5680310184 +03 03 09.980709588   12.9   11.18   ~ 107 0
118 NGC 5865 GiP 15 09 49.4195561280 +00 28 12.385857792   13.5       ~ 99 0
119 Z 21-28 GiG 15 10 16.882 +01 55 59.88   15.0   13.55   ~ 62 0
120 Z 21-30 AG? 15 10 47.24 -00 20 53.9   15.6       ~ 11 0
121 Z 21-32 AG? 15 10 58.441 +01 26 15.99   15.6   15.22   ~ 32 0
122 LEDA 1202458 GiG 15 11 01.334 +01 40 50.14       16.13   ~ 12 0
123 [MTT2005] N5846-317 GiG 15 11 21.638 +01 36 37.70       16.87   ~ 6 0
124 Z 21-41 GiP 15 12 02.18989 +01 41 51.3104   14.6   15.62 14.1 ~ 73 0
125 LEDA 1199418 GiP 15 12 08.2234855488 +01 35 09.301854192       16.75   ~ 11 0
126 LEDA 1215336 AG? 15 12 24.0474460704 +02 04 48.207469440           ~ 11 0
127 LEDA 1176138 AG? 15 12 31.735 +00 48 45.50           ~ 12 0
128 LEDA 1200646 AG? 15 12 41.388 +01 37 23.78           ~ 10 0
129 LEDA 1236445 AG? 15 15 09.450 +02 45 06.56   16.5       ~ 14 0
130 Z 21-58 GiG 15 15 34.6101582456 +02 14 53.793432060   14.68       ~ 47 0
131 Z 21-60 AG? 15 15 42.840 +01 27 20.75   15.50       ~ 20 0
132 LEDA 1234821 AG? 15 16 05.964 +02 41 31.06   16.92       ~ 14 0
133 LEDA 1168006 AG? 15 18 57.045 +00 30 56.48           ~ 8 0
134 LEDA 1230249 AG? 15 19 13.3313041008 +02 32 41.883521784   16.28       ~ 9 0
135 LEDA 91432 AG? 15 19 47.94 +03 58 40.9           ~ 16 0
136 NGC 5913 Sy1 15 20 55.437 -02 34 40.93   14.60       ~ 89 0
137 NGC 5921 AG? 15 21 56.561 +05 04 13.94   12.7       ~ 286 0
138 Z 49-152 AG? 15 23 00.887 +04 31 49.09   15.5       ~ 41 0
139 LEDA 258471 G 18 55 14.2 -73 02 16           ~ 2 0
140 NAME Leo Cloud Cld ~ ~           ~ 65 0
141 NAME Local Group GrG ~ ~           ~ 9325 0

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