2013ApJ...765...93C

Query : 2013ApJ...765...93C

2013ApJ...765...93C - Astrophys. J., 765, 93 (2013/March-2)

Enhanced warm H2 emission in the compact group mid-infrared "Green valley".

CLUVER M.E., APPLETON P.N., OGLE P., JARRETT T.H., RASMUSSEN J., LISENFELD U., GUILLARD P., VERDES-MONTENEGRO L., ANTONUCCI R., BITSAKIS T., CHARMANDARIS V., BOULANGER F., EGAMI E., XU C.K. and YUN M.S.

Abstract (from CDS):

We present results from a Spitzer mid-infrared spectroscopy study of a sample of 74 galaxies located in 23 Hickson Compact Groups (HCGs), chosen to be at a dynamically active stage of H I depletion. We find evidence for enhanced warm H2 emission (i.e., above that associated with UV excitation in star-forming regions) in 14 galaxies (∼20%), with 8 galaxies having extreme values of L(H2S(0)-S(3))/L(7.7 µm polycyclic aromatic hydrocarbon), in excess of 0.07. Such emission has been seen previously in the compact group HCG 92 (Stephan's Quintet), and was shown to be associated with the dissipation of mechanical energy associated with a large-scale shock caused when one group member collided, at high velocity, with tidal debris in the intragroup medium. Similarly, shock excitation or turbulent heating is likely responsible for the enhanced H2 emission in the compact group galaxies, since other sources of heating (UV or X-ray excitation from star formation or active galactic nuclei) are insufficient to account for the observed emission. The group galaxies fall predominantly in a region of mid-infrared color-color space identified by previous studies as being connected to rapid transformations in HCG galaxy evolution. Furthermore, the majority of H2-enhanced galaxies lie in the optical "green valley" between the blue cloud and red sequence, and are primarily early-type disk systems. We suggest that H2-enhanced systems may represent a specific phase in the evolution of galaxies in dense environments and provide new insight into mechanisms which transform galaxies onto the optical red sequence.

Abstract Copyright: ∼

Journal keyword(s): galaxies: evolution - galaxies: groups: general - galaxies: interactions - galaxies: ISM - infrared: galaxies - intergalactic medium

Simbad objects: 106

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Number of rows : 106
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+02-01-009 AG? 00 01 13.3051746288 +13 08 38.132079252   16.01   15.46   ~ 41 0
2 HCG 100 CGG 00 01 19.783 +13 07 21.81           ~ 58 0
3 NGC 7803 GiG 00 01 19.9689164664 +13 06 40.486549320   13.8   12.62   ~ 98 0
4 Z 433-14 GiG 00 01 26.032 +13 06 46.59   15.3   14.28   ~ 57 0
5 LEDA 2347 G 00 39 07.6 -08 24 04   17.89   16.45   ~ 8 0
6 HCG 6 CGG 00 39 10 -08 23.7           ~ 28 0
7 LEDA 2350 G 00 39 10.2083180712 -08 23 49.539328944   16.16   14.18   ~ 22 0
8 LEDA 2351 G 00 39 11.0762085192 -08 23 59.615606724   15.97   14.09   ~ 14 0
9 2MASX J00391381-0823399 GiC 00 39 13.7762155776 -08 23 39.423296400   15.87 15.38 13.94   ~ 23 0
10 MCG+04-03-008 GiG 00 49 34.169 +23 34 41.61   15.50   13.23   ~ 47 0
11 HCG 8 CGG 00 49 35.450 +23 34 54.58   14.7       ~ 39 0
12 2MASX J00493576+2335034 GiG 00 49 35.7613192392 +23 35 03.108945372   16.31   14.28   ~ 17 0
13 2MASX J00493664+2334244 GiG 00 49 36.6250902600 +23 34 24.134559492   16.41   14.27   ~ 21 0
14 HCG 14 CGG 01 59 47 -07 01.7           ~ 24 0
15 Z 387-42 GiG 02 07 37.5133971288 +02 10 50.646844884   15.3   13.69   ~ 51 0
16 MCG+00-06-036 G 02 07 37.7844257160 +02 11 24.907728804   16.73   15.35   ~ 22 0
17 HCG 15 CGG 02 07 39.0 +02 08 18           ~ 75 0
18 Z 387-43 G 02 07 39.7614506808 +02 08 58.877224152   14.91   13.34   ~ 46 0
19 Z 387-44 GiG 02 07 53.0841015768 +02 10 03.087912684   15.2   13.08   ~ 51 0
20 Z 390-67 EmG 03 20 38.5554550752 -01 02 06.123011712   15.7   14.58   ~ 46 0
21 HCG 25 CGG 03 20 43.7 -01 03 07     13.6     ~ 62 0
22 LEDA 12538 G 03 20 45.3272360592 -01 03 14.224586328   16.66   14.96   ~ 38 0
23 Z 390-69 GiG 03 20 45.4171166448 -01 02 40.908067368   14.9   12.33   ~ 52 0
24 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
25 NAME NGC 1566 Group GrG 04 20 00.6 -54 56 17           ~ 180 0
26 NGC 1741B G 05 01 35.550 -04 15 47.42   15.35   14.73   ~ 66 0
27 HCG 31 CGG 05 01 37 -04 15.4           ~ 132 0
28 SDSS J050138.30-041533.9 G 05 01 38.2955322168 -04 15 34.012659996   15.62   14.43   ~ 27 0
29 NGC 1741 EmG 05 01 38.3 -04 15 25   13.7   13.02 13.6 ~ 273 0
30 MCG-01-25-008 GiG 09 38 53.471 -04 50 55.32   14.09   12.18   ~ 65 0
31 MCG-01-25-009 GiG 09 38 53.610 -04 51 36.58   15.82   13.66   ~ 56 0
32 APG 321 IG 09 38 54 -04 51.1   15       ~ 82 0
33 MCG-01-25-012 GiG 09 38 54.961 -04 51 57.31   15.19   13.24   ~ 48 0
34 MCG-01-25-010 Sy1 09 38 55.763 -04 50 13.45   15.20   13.54   ~ 55 0
35 NGC 3187 GiP 10 17 47.8703571264 +21 52 23.984065272 13.71 13.91 13.44 14.06   ~ 166 1
36 HCG 44 CGG 10 18 00 +21 48.7           ~ 86 0
37 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 422 2
38 NGC 3193 GiP 10 18 24.884 +21 53 38.32 12.29 11.83 10.88 12.19   ~ 301 1
39 Z 65-30 LIN 10 25 46.2588993888 +13 43 00.614401068   15.29   13.56   ~ 65 0
40 MCG+02-27-014 AGN 10 25 47.7528782664 +13 44 56.791933620   17.16   15.99   ~ 37 0
41 HCG 47 CGG 10 25 47.904 +13 44 12.36           ~ 41 0
42 MCG+02-27-013 AGN 10 25 48.6011598360 +13 43 40.530112500   16.28   14.26   ~ 44 0
43 LEDA 35380 EmG 11 29 14.1694027224 +20 34 52.192200756   16.38   15.55   ~ 51 0
44 HCG 54 CGG 11 29 15 +20 34.7           ~ 51 0
45 IC 700 GiG 11 29 15.3001498104 +20 34 59.400213672   14.16   13.94   ~ 50 0
46 LEDA 35384 GiG 11 29 16.28 +20 35 11.3   17.05   16.24   ~ 23 0
47 2MASX J11320571+7048236 G 11 32 05.6051708904 +70 48 23.507080092   16.88   15.00   ~ 13 0
48 LEDA 35573 G 11 32 05.67480 +70 48 38.4372   17.43   15.31   ~ 21 0
49 LEDA 35574 G 11 32 06.79 +70 49 16.4   17.63   15.62   ~ 13 0
50 VV 172c G 11 32 06.9924119328 +70 48 55.934770104   16.25   14.36   ~ 26 0
51 UGC 6514 IG 11 32 07 +70 48.7   15.2       ~ 47 0
52 HCG 56 CGG 11 32 32 +52 56.9           ~ 42 1
53 LEDA 35609 G 11 32 32.774 +52 56 21.44   16.54   15.19   ~ 41 0
54 VV 150c G 11 32 35.3340297048 +52 56 50.279148348   17.01   15.32   ~ 38 0
55 VV 150b G 11 32 36.7282595904 +52 56 51.614860848   15.87   14.27   ~ 37 0
56 Mrk 176 Sy2 11 32 40.2448971432 +52 57 01.289256768   15.50 14.61 13.52   ~ 244 1
57 NGC 3746 GiG 11 37 43.6219930632 +22 00 35.372362716   15.3   13.45   ~ 66 1
58 NGC 3748 GiG 11 37 49.0692336480 +22 01 34.201908732   15.5   14.10   ~ 49 1
59 HCG 57 CGG 11 37 50.5 +21 59 06     15.4     ~ 87 1
60 NGC 3750 LIN 11 37 51.63759 +21 58 27.2190   15.2   13.52   ~ 51 1
61 NGC 3753 AGN 11 37 53.783 +21 58 51.82   14.6   13.19   ~ 70 1
62 NGC 3754 LIN 11 37 54.9243326832 +21 59 07.911508128   15.2   14.30   ~ 51 1
63 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
64 NGC 4759 GiG 12 53 04.66 -09 12 02.1   14.21   12.04   ~ 51 0
65 HCG 62 CGG 12 53 05.6 -09 12 21           ~ 313 0
66 NGC 4761 BiC 12 53 05.6960048016 -09 12 14.579980632   13.79   11.25   ~ 90 1
67 NGC 4764 GiG 12 53 09.8 -09 11 50   15.00   13.59   ~ 34 0
68 MCG-01-35-013 GiG 13 48 59.454 -07 11 41.75   15.26   13.57   ~ 53 0
69 HCG 67 CGG 13 49 03.5 -07 12 20           ~ 53 0
70 VV 135b GiG 13 49 09.8 -07 13 54   15.94   13.28   ~ 16 0
71 NGC 5306 GiG 13 49 11.4298022808 -07 13 27.840105444   13.43   11.73   ~ 42 1
72 NGC 5350 H2G 13 53 21.6232753416 +40 21 50.186768184   12.4   10.99   ~ 240 1
73 NGC 5353 rG 13 53 26.7104646981 +40 16 59.200050598   11.8   10.57   ~ 309 1
74 NGC 5354 LIN 13 53 26.7262413240 +40 18 09.928163700   12.3   10.64   ~ 169 0
75 HCG 68 CGG 13 53 40.9 +40 19 07     12.4     ~ 114 0
76 Z 135-50 G 15 21 30.4060754496 +21 11 26.180364264   15.32   13.49   ~ 32 0
77 LEDA 54818 G 15 21 34.1023584696 +21 10 44.537080908   17.10   15.33   ~ 20 0
78 HCG 75 CGG 15 21 37.0 +21 10 50           ~ 27 0
79 LEDA 54824 G 15 21 37.2006146424 +21 10 53.318043372   16.70   15.40   ~ 20 0
80 LEDA 54827 G 15 21 38.7877702896 +21 10 37.107247656   16.67   15.10   ~ 19 0
81 NGC 6027A GiG 15 59 10.8358913184 +20 45 43.819011072   13.4   14.21   ~ 70 0
82 NGC 6027B GiG 15 59 11.156 +20 45 17.02   13.4   13.46   ~ 78 0
83 HCG 79 CGG 15 59 11.605 +20 45 24.66           ~ 117 0
84 NGC 6027C GiG 15 59 11.875 +20 44 49.71   16.89   16.74   ~ 58 0
85 NGC 6027 GiG 15 59 12.542 +20 45 48.07   13.4   13.07   ~ 117 2
86 NGC 6161 G 16 28 20.562 +32 48 34.80   15.74   14.53   ~ 42 0
87 HCG 82 CGG 16 28 22.1 +32 49 25     18.72     ~ 38 0
88 NGC 6162 GiG 16 28 22.3736353368 +32 50 57.549621120   15.2   12.83   ~ 45 0
89 NGC 6163 EmG 16 28 27.9128867448 +32 50 46.922804556   15.4   13.66   ~ 47 0
90 HCG 91 CGG 22 09 00.8 -27 47 36           ~ 56 0
91 NGC 7214 Sy1 22 09 07.6631604816 -27 48 34.160960772   12.48 14.10 11.40   ~ 149 0
92 HCG 91d GiG 22 09 08.20 -27 48 01.0   12.64   11.57   ~ 26 0
93 MCG-05-52-035 EmG 22 09 13.9920880800 -27 46 55.650989460   14.76   13.99   ~ 59 0
94 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1
95 MCG+01-59-046 G 23 19 27.8359540728 +09 29 40.355871360   16.38 15.38 14.66   ~ 46 0
96 NGC 7609 IG 23 19 30.0445916616 +09 30 29.844638928   15.23 14.29 13.43   ~ 69 0
97 HCG 95 CGG 23 19 32 +09 29.5           ~ 59 0
98 NAME Peg I ClG 23 21 +08.3           ~ 71 0
99 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
100 NGC 7674A G 23 27 58.7553926496 +08 46 57.872148456   16.10   14.38   ~ 64 0
101 HCG 96 CGG 23 28 00.40 +08 46 36.9           ~ 50 0
102 NGC 7675 GiG 23 28 05.9207591784 +08 46 06.691000476   14.8   13.20   ~ 65 1
103 IC 5351 GiG 23 47 18.9320265192 -02 18 48.516898356   14.95   12.66   ~ 48 0
104 IC 5357 GiG 23 47 23.0010862728 -02 18 02.057603256   14.27   12.75   ~ 63 0
105 IC 5356 GiG 23 47 23.8042007424 -02 21 04.380819552   15.11   13.57   ~ 44 0
106 HCG 97 CGG 23 47 24.0 -02 19 08           ~ 102 0

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