2007AJ....134.1522J


Query : 2007AJ....134.1522J

2007AJ....134.1522J - Astron. J., 134, 1522-1543 (2007/October-0)

The infrared properties of Hickson compact groups.

JOHNSON K.E., HIBBARD J.E., GALLAGHER S.C., CHARLTON J.C., HORNSCHEMEIER A.E., JARRETT T.H. and REINES A.E.

Abstract (from CDS):

Compact groups of galaxies provide a unique environment to study the mechanisms by which star formation occurs amid continuous gravitational encounters. We present 2MASS (JHK) and Spitzer IRAC (3.5-8 µm) and MIPS (24 µm) observations of a sample of 12 Hickson Compact Groups (HCGs 2, 7, 16, 19, 22, 31, 42, 48, 59, 61, 62, and 90) that includes a total of 45 galaxies. The infrared colors of the galaxies in this sample span a range of parameter space, and some trends are apparent in the data. The near-infrared colors of the sample galaxies are largely consistent with being dominated by slightly reddened normal stellar populations. There is also some evidence for a K-band excess in a few cases, which likely indicates the presence of hot dust at or near the sublimation temperature associated with active galactic nuclei or star formation activity. Galaxies that have the most significant polycyclic aromatic hydrocarbon and/or hot dust emission (as inferred from excess 8 µm flux) also tend to have larger amounts of extinction and/or K-band excess and stronger 24 µm emission, all of which suggest ongoing star formation activity. We separate the 12 HCGs in our sample into three types based on the ratio of the group H I mass to dynamical mass. We find evidence that galaxies in the most gas-rich groups tend to be the most actively star forming. Galaxies in the most gas-poor groups tend to be tightly clustered around a narrow range in colors consistent with the integrated light from a normal stellar population. We interpret these trends as indicating that galaxies in gas-rich groups experience star formation and/or nuclear actively until their neutral gas is consumed, stripped, or ionized. The galaxies in this sample exhibit a ``gap'' between gas-rich and gas-poor groups in infrared color space that is sparsely populated and not seen in the Spitzer First Look Survey sample. This gap may suggest a rapid evolution of galaxy properties in response to dynamical effects. These results suggest that the global properties of the groups and the local properties of the galaxies are connected.

Abstract Copyright:

Journal keyword(s): Galaxies: Clusters: General - Galaxies: Evolution - Galaxies: Interactions - Infrared: Galaxies

Simbad objects: 62

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Number of rows : 62
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 Mrk 552 GiG 00 31 18.844 +08 28 30.33   15.0   13.40   ~ 74 0
2 UGC 312 AGN 00 31 23.840 +08 28 01.32   14.6   13.10   ~ 97 0
3 HCG 2 CGG 00 31 24 +08 26.8           ~ 47 0
4 UGC 314 GiG 00 31 29.3689510392 +08 24 02.141295480   15.4   13.97   ~ 44 0
5 NGC 192 rG 00 39 13.391 +00 51 50.89   13.9   11.97   ~ 125 0
6 HCG 7 CGG 00 39 15.9 +00 53 17   11.4       ~ 86 0
7 NGC 196 GiG 00 39 17.8424526792 +00 54 45.971984916   14.2   12.40   ~ 79 0
8 NGC 197 GiP 00 39 18.7935711480 +00 53 31.087552704   14.85   13.39   ~ 56 0
9 NGC 201 GiG 00 39 34.8489575280 +00 51 35.886502080   14.7   12.41   ~ 97 0
10 NGC 833 Sy2 02 09 20.8490871072 -10 07 59.003785884   14.02 13.00 12.75   ~ 178 0
11 NGC 835 Sy2 02 09 24.606 -10 08 09.31   13.29 12.45 12.24   ~ 191 0
12 NGC 838 LIN 02 09 38.562 -10 08 46.12   13.72   12.65   ~ 183 0
13 HCG 16 CGG 02 09 40.82 -10 11 02.0           ~ 165 0
14 NGC 839 GiG 02 09 42.731 -10 11 01.64   13.98 11.42 12.70   ~ 143 0
15 MCG-02-07-073 GiG 02 42 38.2975281144 -12 25 16.057616304   14.51   12.85   ~ 45 0
16 MCG-02-07-074 G 02 42 41.942 -12 25 38.79   15.79   14.44   ~ 33 0
17 HCG 19 CGG 02 42 45 -12 24.7           ~ 36 0
18 MCG-02-07-075 GiG 02 42 46.757 -12 23 52.50   15.58   14.25   ~ 25 0
19 NGC 1189 GiP 03 03 24.47 -15 37 24.5   13.8   13.5 13.4 ~ 52 0
20 NGC 1190 GiP 03 03 26.1380266368 -15 39 42.731214516   15.32   13.64   ~ 45 0
21 NGC 1191 G 03 03 30.8587773456 -15 41 06.976642956   15.60   13.70   ~ 26 0
22 HCG 22 CGG 03 03 31 -15 40.5           ~ 68 0
23 NGC 1192 G 03 03 34.6330650960 -15 40 43.756270536   15.68   14.32   ~ 30 0
24 NGC 1199 GiP 03 03 38.4220343160 -15 36 48.461862600   13.99 12.97 12.31 11.59 ~ 179 1
25 2MFGC 4113 G 05 01 35.550 -04 15 47.42   15.35   14.73   ~ 60 0
26 HCG 31 CGG 05 01 37 -04 15.4           ~ 127 0
27 NGC 1741 IG 05 01 38.3 -04 15 25   13.7   13.02 13.6 ~ 256 0
28 LEDA 3092704 GiG 05 01 38.3 -04 13 21           ~ 20 0
29 HCG 31f G 05 01 40.0 -04 16 22           ~ 20 0
30 IC 399 EmG 05 01 44.0604445128 -04 17 19.319048052   15.0 14.8     ~ 66 0
31 MCG-03-26-006 GiG 10 00 10.2917665944 -19 37 18.674077584   14.56 13.36 12.86 12.04 ~ 45 0
32 2MASX J10001284-1940203 GiG 10 00 12.8440362744 -19 40 20.615891736   16.54 14.90 14.73 13.64 ~ 25 0
33 HCG 42 CGG 10 00 13.1 -19 38 24           ~ 98 0
34 NGC 3091 BiC 10 00 14.125 -19 38 11.32   12.04 10.61 10.56 9.25 ~ 174 0
35 NGC 3096 GiG 10 00 33.1214332440 -19 39 42.939578196   14.08 13.09 13.03 11.75 ~ 45 0
36 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 813 1
37 2MASX J10374052-2703284 GiC 10 37 40.5359670816 -27 03 28.944358812   16.52   14.75   ~ 41 0
38 2MASX J10374157-2702394 GiC 10 37 41.5570117416 -27 02 39.942793968   17.48   15.62   ~ 37 0
39 HCG 48 CGG 10 37 45.6 -27 04 50           ~ 55 0
40 IC 2597 GiG 10 37 47.3320133088 -27 04 52.576660812   12.75   11.08   ~ 99 0
41 ESO 501-59 EmG 10 37 49.5111941472 -27 07 16.163757372   14.21 13.55 13.13   ~ 59 0
42 IC 736 GiG 11 48 20.1140766552 +12 42 59.635098360   15.3   14.22   ~ 47 0
43 HCG 59 CGG 11 48 27 +12 43.0           ~ 52 0
44 IC 737 GiG 11 48 27.5480690496 +12 43 38.466700032   14.7   13.48   ~ 46 0
45 MCG+02-30-040 GiC 11 48 30.666 +12 43 47.25   16.29   15.21   ~ 39 0
46 Z 68-73 LSB 11 48 32.439 +12 42 18.36   16.04   15.05   ~ 47 0
47 NGC 4169 Sy2 12 12 18.7701840312 +29 10 45.851425968   12.9 12.34 11.67   ~ 135 1
48 NGC 4170 LSB 12 12 20.5824957096 +29 12 36.993595716   13.73 13.34 12.81   ~ 88 0
49 HCG 61 CGG 12 12 25.587 +29 09 57.14     13.5     ~ 56 0
50 NGC 4174 Sy2 12 12 26.8876661016 +29 08 57.158312172   14.3 13.64 13.05   ~ 106 2
51 NGC 4175 AGN 12 12 31.086 +29 10 08.06   14.2 13.45 12.71   ~ 112 0
52 NGC 4759 GiG 12 53 04.66 -09 12 02.1   14.21   12.04   ~ 48 0
53 HCG 62 CGG 12 53 05.6 -09 12 21           ~ 301 0
54 NGC 4761 BiC 12 53 05.6960048016 -09 12 14.579980632   13.79   11.25   ~ 81 1
55 6dFGS gJ125306.6-091528 GiG 12 53 06.6310197888 -09 15 27.601345548   16.30   14.11   ~ 25 0
56 NGC 4764 GiG 12 53 09.8 -09 11 50   15.00   13.59   ~ 31 0
57 NGC 7172 Sy2 22 02 01.897 -31 52 11.60   12.72 13.61 11.15   ~ 506 1
58 NGC 7173 GiP 22 02 03.1741852512 -31 58 25.338407412   12.10   10.59   ~ 130 0
59 HCG 90 CGG 22 02 06.3 -31 55 48           ~ 127 0
60 NGC 7174 GiP 22 02 06.82 -31 59 36.5   12.26 12.15 10.84   ~ 83 0
61 NGC 7176 GiP 22 02 08.4333223632 -31 59 23.446700592   12.08   10.59   ~ 117 0
62 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 404 1

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2023.01.28-10:55:58

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