2009A&A...507..723T

Query : 2009A&A...507..723T

2009A&A...507..723T - Astronomy and Astrophysics, volume 507723-746 (2009/11-4)

Star formation in the intragroup medium and other diagnostics of the evolutionary stages of compact groups of galaxies.

TORRES-FLORES S., MENDES DE OLIVEIRA C., DE MELLO D.F., AMRAM P., PLANA H., EPINAT B. and IGLESIAS-PARAMO J.

Abstract (from CDS):

Compact groups of galaxies are entities that have high densities of galaxies and serve as laboratories to study galaxy interactions, intergalactic star formation and galaxy evolution. The main goal of this study is to search for young objects in the intragroup medium of seven compact groups of galaxies: HCG 2, 7, 22, 23, 92, 100 and NGC 92 as well as to evaluate the stage of interaction of each group. We used Fabry-Perot velocity fields and rotation curves together with GALEX NUV and FUV images and optical R-band and HI maps. (i) HCG 7 and HCG 23 are in early stages of interaction; (ii) HCG 2 and HCG 22 are mildly interacting; and (iii) HCG 92, HCG 100 and NGC 92 are in late stages of evolution. We find that all three evolved groups contain populations of young blue objects in the intragroup medium, consistent with ages <100Myr, of which several are younger than <10Myr. We also report the discovery of a tidal dwarf galaxy candidate in the tail of NGC 92. These three groups, besides containing galaxies that have peculiar velocity fields, also show extended HI tails. Our results indicate that the advanced stage of evolution of a group, together with the presence of intragroup HI clouds, may lead to star formation in the intragroup medium. A table containing all intergalactic HII regions and tidal dwarf galaxies confirmed to date is appended.

Abstract Copyright: ∼

Journal keyword(s): galaxies: evolution - galaxies: interactions - galaxies: intergalactic medium - galaxies: kinematics and dynamics

Nomenclature: Tables 3-8: [TMD2009] HCG NNN NN N=86. Table 9: [TMD2009] NGC 92 N (Nos 1-5).

CDS comments: In reflist, MENDES DE OLIVEIRA 2004, ApJ, L17 is MENDES DE OLIVEIRA 2004ApJ...605L..17M.

Simbad objects: 170

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Number of rows : 170
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 [DTM2008] 3 UV 00 01 05.33 +13 01 25.0       19.09   ~ 4 0
2 [DTM2008] 4 UV 00 01 10.23 +13 05 08.9       20.25   ~ 4 0
3 MCG+02-01-009 AG? 00 01 13.3051746288 +13 08 38.132079252   16.01   15.46   ~ 41 0
4 [TMD2009] HCG 100 2 UV 00 01 13.35 +13 10 32.3           ~ 1 0
5 [TMD2009] HCG 100 5 UV 00 01 13.42 +13 08 54.9           ~ 1 0
6 [DTM2008] 6 UV 00 01 13.84 +13 09 46.0       17.48   ~ 2 0
7 MCG+02-01-010 AG? 00 01 14.971 +13 06 44.65   16.97   14.67   ~ 44 0
8 HCG 100 CGG 00 01 19.783 +13 07 21.81           ~ 58 0
9 NGC 7803 GiG 00 01 19.9689164664 +13 06 40.486549320   13.8   12.62   ~ 98 0
10 [TMD2009] HCG 100 3 UV 00 01 23.38 +13 09 46.3           ~ 1 0
11 Z 433-14 GiG 00 01 26.032 +13 06 46.59   15.3   14.28   ~ 57 0
12 MCG+02-01-013 G 00 01 29.5 +13 05 54   18   17.69   ~ 7 0
13 [TMD2009] HCG 100 1 UV 00 01 30.06 +13 09 52.7           ~ 1 0
14 [DTM2008] 14 UV 00 01 30.56 +13 06 14.5       20.42   ~ 2 0
15 NGC 87 GiG 00 21 14.062 -48 37 48.28   14.70   14.01   ~ 23 0
16 SN 1994Z SN* 00 21 16.59 -48 37 49.3     14.6     SNII 9 1
17 [TMD2009] NGC 92 4 UV 00 21 17.95 -48 38 35.8           ~ 1 0
18 [TMD2009] NGC 92 5 UV 00 21 21.16 -48 40 22.7           ~ 1 0
19 NGC 88 GiG 00 21 22.0352346168 -48 38 24.141829488   15.11   14.21   ~ 26 0
20 SCG2 0018-4854 CGG 00 21 23.0 -48 38 20   13.91       ~ 17 0
21 NGC 89 GiG 00 21 24.355 -48 39 55.28   14.28   12.98   ~ 28 0
22 NGC 92 GiC 00 21 31.713 -48 37 29.23   13.71   12.40   ~ 49 0
23 [TMD2009] NGC 92 1 UV 00 21 34.20 -48 38 06.3           ~ 1 0
24 [TMD2009] NGC 92 2 UV 00 21 35.88 -48 38 45.9           ~ 1 0
25 [TMD2009] NGC 92 3 UV 00 21 38.49 -48 38 56.7           ~ 1 0
26 [TMD2009] HCG 2 4 UV 00 31 08.96 +08 26 27.2           ~ 1 0
27 [TMD2009] HCG 2 5 UV 00 31 13.24 +08 22 46.6           ~ 1 0
28 GALEX J003115.0+083005 WD* 00 31 15.1119608736 +08 30 05.092390044           DBA 12 0
29 [TMD2009] HCG 2 2 UV 00 31 17.86 +08 29 09.7           ~ 1 0
30 Z 409-26 GiG 00 31 18.844 +08 28 30.33   15.0   13.40   ~ 81 0
31 [TMD2009] HCG 2 3 UV 00 31 22.17 +08 28 18.9           ~ 1 0
32 Z 409-28 AGN 00 31 23.840 +08 28 01.32   14.6   13.10   ~ 110 0
33 HCG 2 CGG 00 31 24 +08 26.8           ~ 48 0
34 Z 409-30 GiG 00 31 29.3689510392 +08 24 02.141295480   15.4   13.97   ~ 49 0
35 [TMD2009] HCG 2 6 UV 00 31 31.54 +08 21 56.5           ~ 1 0
36 [TMD2009] HCG 7 3 UV 00 39 07.40 +00 55 00.4           ~ 1 0
37 [TMD2009] HCG 7 7 UV 00 39 08.80 +00 53 06.9           ~ 1 0
38 [TMD2009] HCG 7 12 UV 00 39 10.77 +00 49 05.8           ~ 1 0
39 NGC 192 GiC 00 39 13.39127 +00 51 50.8860   13.9   11.97   ~ 145 1
40 HCG 7 CGG 00 39 15.9 +00 53 17   11.4       ~ 87 0
41 [TMD2009] HCG 7 2 UV 00 39 16.20 +00 54 38.0           ~ 1 0
42 NGC 196 GiG 00 39 17.8424526792 +00 54 45.971984899   14.2   12.40   ~ 85 0
43 NGC 197 GiP 00 39 18.7935711480 +00 53 31.087552704   14.85   13.39   ~ 61 0
44 [TMD2009] HCG 7 1 UV 00 39 19.31 +00 56 17.0           ~ 1 0
45 [TMD2009] HCG 7 13 UV 00 39 20.39 +00 47 59.9           ~ 1 0
46 [TMD2009] HCG 7 6 UV 00 39 22.75 +00 54 11.1           ~ 1 0
47 [TMD2009] HCG 7 14 UV 00 39 23.07 +00 47 35.4           ~ 1 0
48 [TMD2009] HCG 7 4 UV 00 39 23.26 +00 54 31.4           ~ 1 0
49 [TMD2009] HCG 7 9 UV 00 39 25.08 +00 50 48.0           ~ 1 0
50 [TMD2009] HCG 7 10 UV 00 39 26.96 +00 50 19.4           ~ 1 0
51 [TMD2009] HCG 7 8 G 00 39 28.260 +00 51 48.30           ~ 3 0
52 NGC 201 EmG 00 39 34.8489575280 +00 51 35.886502080   14.7   12.41   ~ 107 0
53 SDSS J003941.06+005427.4 CV* 00 39 41.0711358672 +00 54 27.713662560           ~ 16 0
54 [TMD2009] HCG 7 11 UV 00 39 41.37 +00 49 10.7           ~ 1 0
55 NGC 672 GiP 01 47 54.4764771528 +27 25 58.020709728 12.04 11.60 11.09 10.81   ~ 304 0
56 [RMF2004] HCG 16 1 HII 02 09 28 -10 07.3           ~ 2 0
57 HCG 16 CGG 02 09 40.82 -10 11 02.0           ~ 175 0
58 [RMF2004] ESO 154-23 1 HII 02 56 31 -54 31.6           ~ 2 0
59 ESO 154-23 AG? 02 56 50.38 -54 34 17.1   12.63   12.18 12.5 ~ 123 0
60 [TMD2009] HCG 22 2 UV 03 03 18.04 -15 36 05.3           ~ 1 0
61 [TMD2009] HCG 22 4 UV 03 03 19.37 -15 36 55.1           ~ 1 0
62 [TMD2009] HCG 22 9 UV 03 03 20.19 -15 38 51.6           ~ 1 0
63 [TMD2009] HCG 22 8 UV 03 03 22.57 -15 38 27.0           ~ 1 0
64 [TMD2009] HCG 22 10 UV 03 03 23.19 -15 39 08.6           ~ 1 0
65 [TMD2009] HCG 22 12 UV 03 03 23.56 -15 40 11.3           ~ 1 0
66 NGC 1189 GiP 03 03 24.48 -15 37 24.5   13.8   13.5 13.4 ~ 57 0
67 NGC 1190 GiP 03 03 26.1380266368 -15 39 42.731214516   15.32   13.64   ~ 51 0
68 [TMD2009] HCG 22 1 UV 03 03 27.77 -15 35 36.3           ~ 1 0
69 [TMD2009] HCG 22 11 UV 03 03 28.66 -15 39 43.8           ~ 1 0
70 [TMD2009] HCG 22 13 UV 03 03 30.86 -15 41 06.0           ~ 1 0
71 HCG 22 CGG 03 03 31 -15 40.5           ~ 69 0
72 [TMD2009] HCG 22 5 UV 03 03 33.91 -15 37 13.8           ~ 1 0
73 [TMD2009] HCG 22 7 UV 03 03 34.26 -15 37 59.2           ~ 1 0
74 NGC 1199 GiP 03 03 38.4220343160 -15 36 48.461862600   13.99 12.97 12.31 11.59 ~ 189 1
75 [TMD2009] HCG 22 3 UV 03 03 43.81 -15 36 31.3           ~ 1 0
76 [TMD2009] HCG 22 6 UV 03 03 46.45 -15 37 45.7           ~ 1 0
77 LEDA 989036 G 03 06 51.0 -09 35 34           ~ 3 0
78 [TMD2009] HCG 23 4 UV 03 06 51.64 -09 36 33.1           ~ 1 0
79 [TMD2009] HCG 23 1 UV 03 06 52.09 -09 33 51.5           ~ 1 0
80 [TMD2009] HCG 23 5 UV 03 06 53.64 -09 37 47.4           ~ 1 0
81 MCG-02-08-050 GiG 03 06 55.210 -09 37 42.90   16.66   14.54   ~ 40 0
82 NGC 1214 Sy1 03 06 55.9415492400 -09 32 38.450810976   15.13   13.45   ~ 54 0
83 [TMD2009] HCG 23 8 UV 03 07 04.85 -09 40 32.5           ~ 1 0
84 HCG 23 CGG 03 07 06 -09 35.1           ~ 44 0
85 [TMD2009] HCG 23 9 UV 03 07 09.35 -09 29 16.4           ~ 1 0
86 NGC 1215 GiG 03 07 09.4626542856 -09 35 33.695780136   14.0   13.27 13.6 ~ 52 0
87 [TMD2009] HCG 23 6 UV 03 07 10.05 -09 37 44.7           ~ 1 0
88 [TMD2009] HCG 23 2 UV 03 07 10.41 -09 34 37.4           ~ 1 0
89 [TMD2009] HCG 23 7 UV 03 07 16.31 -09 37 49.7           ~ 1 0
90 NGC 1216 GiG 03 07 18.3927342768 -09 36 45.561419820   16.00   13.67   ~ 52 0
91 NGC 1314 GiC 03 22 41.173 -04 11 11.55   13.4   13.4 13.3 ~ 29 0
92 [RMF2004] NGC 1314 1 HII 03 23 12 -04 15.3           ~ 2 0
93 NGC 1533 EmG 04 09 51.8356041744 -56 07 06.410207352   11.77 10.92 10.27 11.0 ~ 209 0
94 [RMF2004] NGC 1533 4 HII 04 10 11 -56 07.5           ~ 2 0
95 [RMF2004] NGC 1533 1 HII 04 10 13 -56 11.6           ~ 5 0
96 [RMF2004] NGC 1533 2 HII 04 10 14 -56 11.6           ~ 5 0
97 [RMF2004] NGC 1533 5 HII 04 10 15 -56 06.3           ~ 5 0
98 [RMF2004] NGC 1533 3 HII 04 10 17 -56 10.8           ~ 2 0
99 NGC 1961 LIN 05 42 04.6327819680 +69 22 42.411028872   11.73 10.99     ~ 362 3
100 NGC 2146 AGN 06 18 37.710 +78 21 25.27 11.67 11.38 10.59     ~ 765 2
101 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
102 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
103 NGC 3504 LIN 11 03 11.19147 +27 58 20.7660   13.48 12.93     ~ 545 2
104 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
105 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
106 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
107 NGC 4625 SyG 12 41 52.7121819576 +41 16 26.115765780 12.74 12.92 12.35     ~ 383 2
108 [DM98] Knot k G 13 47 17.810 -30 19 58.85   20.61 20.21     ~ 4 0
109 [BDB2007] GALEX J134717.91-302121.48 ISM 13 47 17.910 -30 21 21.48   20.03 19.76     ~ 4 0
110 [BDB2007] GALEX J134717.92-302158.54 G 13 47 17.920 -30 21 58.54   21.32 21.00     ~ 4 0
111 [HHM2006] 22 PoG 13 47 19.47 -30 26 54.8   19.87 19.61     ~ 4 0
112 [BDB2007] GALEX J134719.74-302025.73 G 13 47 19.740 -30 20 25.73   20.27 20.01     ~ 6 0
113 NGC 5291N GiG 13 47 20.42 -30 20 51.4   18.27 17.91     ~ 31 0
114 SLSBG 278 G 13 47 22.470 -30 21 44.13   19.85 19.39     ~ 6 0
115 [BDB2007] GALEX J134723.00-302724.31 HII 13 47 23.000 -30 27 24.31   18.87 18.63     ~ 6 0
116 [BDB2007] GALEX J134723.86-302646.25 G 13 47 23.860 -30 26 46.25   21.88 21.65     ~ 4 0
117 [BDB2007] GALEX J134723.95-302622.21 PoG 13 47 23.950 -30 26 22.21   20.17 19.69     ~ 6 0
118 NGC 5291 Sy2 13 47 24.5000261808 -30 24 25.449445800   15.18 14.00 13.57 12.7 ~ 161 1
119 [BDB2007] GALEX J134726.66-302552.06 PoG 13 47 26.660 -30 25 52.06   19.43 18.91     ~ 6 0
120 NGC 6764 LIN 19 08 16.4036066688 +50 55 59.519979084   15.00 14.32     ~ 307 1
121 IC 5052 G 20 52 01.633 -69 11 35.93 12.83 12.20 11.66 11.40   ~ 169 0
122 [RMF2004] IC 5052 2 HII 20 52 53 -69 16.4           ~ 2 0
123 [RMF2004] IC 5052 1 HII 20 52 59 -69 12.4           ~ 2 0
124 ESO 238-5 AG? 22 22 30.4713 -48 24 22.941   15.0   14.9 15.4 ~ 44 0
125 [RMF2004] ESO 238- 5 1 HII 22 22 33 -48 25.7           ~ 2 0
126 [RMF2004] ESO 238- 5 2 HII 22 22 42 -48 27.9           ~ 2 0
127 [TMD2009] HCG 92 36 UV 22 35 45.899 +33 54 43.58           ~ 2 0
128 [TMD2009] HCG 92 35 UV 22 35 49.79 +33 56 37.2           ~ 1 0
129 NGC 7317 Sy2 22 35 51.8681746944 +33 56 41.758033380 15.10 14.57 13.60 12.72   ~ 182 1
130 [TMD2009] HCG 92 34 UV 22 35 54.26 +33 57 16.1           ~ 1 0
131 [TMD2009] HCG 92 33 UV 22 35 54.38 +33 57 31.4           ~ 1 0
132 [TMD2009] HCG 92 32 UV 22 35 55.28 +33 57 11.6           ~ 1 0
133 [TMD2009] HCG 92 31 UV 22 35 55.69 +33 57 42.5           ~ 1 0
134 [TMD2009] HCG 92 30 UV 22 35 56.12 +33 56 56.4           ~ 1 0
135 [TMD2009] HCG 92 29 UV 22 35 56.17 +33 59 10.1           ~ 1 0
136 [TMD2009] HCG 92 28 UV 22 35 56.35 +33 57 09.0           ~ 1 0
137 [TMD2009] HCG 92 27 UV 22 35 56.39 +33 58 18.2           ~ 1 0
138 NGC 7318A GiP 22 35 56.70407 +33 57 55.7710   14.4   13.13   ~ 140 0
139 [TMD2009] HCG 92 26 UV 22 35 56.95 +33 57 38.4           ~ 1 0
140 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1
141 [TMD2009] HCG 92 25 UV 22 35 58.28 +33 58 53.7           ~ 1 0
142 NGC 7318B GiP 22 35 58.3903354632 +33 57 57.827617524   14.06   12.47   ~ 144 0
143 [TMD2009] HCG 92 24 UV 22 35 59.10 +33 57 34.8           ~ 1 0
144 [TMD2009] HCG 92 23 UV 22 35 59.25 +33 59 38.4           ~ 1 0
145 [TMD2009] HCG 92 22 UV 22 35 59.37 +33 58 30.8           ~ 1 0
146 [TMD2009] HCG 92 21 UV 22 35 59.69 +33 57 39.5           ~ 1 0
147 [TMD2009] HCG 92 20 UV 22 36 00.04 +33 58 04.9           ~ 1 0
148 [TMD2009] HCG 92 19 UV 22 36 00.07 +33 55 47.4           ~ 1 0
149 [TMD2009] HCG 92 18 UV 22 36 00.32 +33 57 55.0           ~ 1 0
150 [TMD2009] HCG 92 17 UV 22 36 00.72 +33 59 52.2           ~ 1 0
151 [TMD2009] HCG 92 16 UV 22 36 01.18 +33 53 51.4           ~ 1 0
152 [TMD2009] HCG 92 15 UV 22 36 03.25 +33 59 32.4           ~ 1 0
153 NGC 7319 Sy2 22 36 03.602 +33 58 33.18   14.57 13.53 12.65   ~ 325 0
154 [TMD2009] HCG 92 14 UV 22 36 08.22 +33 58 53.2           ~ 1 0
155 [TMD2009] HCG 92 13 UV 22 36 09.57 +33 56 20.8           ~ 1 0
156 [TMD2009] HCG 92 12 UV 22 36 10.84 +34 02 20.0           ~ 1 0
157 [GCH2001] 30 SFR 22 36 11.62 +33 59 01.5           ~ 3 0
158 [TMD2009] HCG 92 10 UV 22 36 11.90 +34 01 20.6           ~ 1 0
159 [TMD2009] HCG 92 9 UV 22 36 11.92 +33 57 30.7           ~ 1 0
160 [DUM2012] HCG 92 1 SFR 22 36 11.92 +33 59 13.3           ~ 3 0
161 [TMD2009] HCG 92 7 UV 22 36 13.90 +33 57 51.7           ~ 1 0
162 [MCS2004] b SFR 22 36 14.08 +33 58 22.9           ~ 3 0
163 [TMD2009] HCG 92 5 UV 22 36 14.62 +34 01 15.1           ~ 1 0
164 [DUM2012] HCG 92 2 SFR 22 36 15.33 +33 59 02.6           ~ 3 0
165 [TMD2009] HCG 92 3 UV 22 36 21.46 +33 57 48.7           ~ 1 0
166 [TMD2009] HCG 92 2 UV 22 36 24.14 +34 02 54.2           ~ 1 0
167 [TMD2009] HCG 92 1 UV 22 36 27.13 +34 02 11.2           ~ 1 0
168 NGC 7741 GiP 23 43 54.375 +26 04 32.07 11.70 11.84 11.31     ~ 303 1
169 [RMF2004] ESO 149- 3 1 HII 23 51 51 -52 34.6           ~ 2 0
170 ESO 149-3 AG? 23 52 02.15 -52 34 33.9 15.48 15.10 14.89 14.84 14.9 ~ 88 0

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