2023A&A...670A..21J

Query : 2023A&A...670A..21J

2023A&A...670A..21J - Astronomy and Astrophysics, volume 670A21 (2023/2-1)

Disturbed, diffuse, or just missing? A global study of the H I content of Hickson compact groups.

JONES M.G., VERDES-MONTENEGRO L., MOLDON J., DAMAS SEGOVIA A., BORTHAKUR S., LUNA S., YUN M., DEL OLMO A., PEREA J., CANNON J., LOPEZ GUTIERREZ D., CLUVER M., GARRIDO J. and SANCHEZ S.

Abstract (from CDS):


Context. Hickson compact groups (HCGs) are dense configurations of four to ten galaxies, whose H I morphology appears to follow an evolutionary sequence of three phases, with gas initially confined to galaxies, then significant amounts spread throughout the intra-group medium, and finally with almost no gas remaining in the galaxies themselves. It has also been suggested that several groups may harbour a diffuse H I component that is resolved out by interferometric observations.
Aims . The H I deficiency of HCGs is expected to increase as the H I morphological phase progresses along the evolutionary sequence. If this is the case, H I deficiency would be a rough proxy for the age and evolutionary state of a HCG. We aim to test this hypothesis for the first time using a large sample of HCGs and to investigate the evidence for diffuse H I in HCGs.
Methods. We performed a uniform reduction of all publicly available VLA H I observations (38 HCGs) with a purpose-built pipeline that also maximises the reproducibility of this study. The resulting H I data cubes were then analysed with the latest software tools to perform a manual separation of emission features into those belonging to galaxies and those extending into the intra-group medium. We thereby classified the H I morphological phase of each group as well as quantified their H I deficiency compared to galaxies in isolation.
Results. We find little evidence that H I deficiency can be used as a proxy for the evolutionary phase of a compact group in either of the first two phases, with the distribution of H I deficiency being consistent in both. However, for the final phase, the distribution clearly shifts to high H I deficiencies, with more than 90% of the expected H I content typically missing. Across all HCGs studied, we identify a few cases where there is strong evidence for a diffuse gas component in the intra-group medium, which might be detectable with improved observations. We also classify a new sub-phase where groups contain a lone H I-bearing galaxy, but are otherwise devoid of gas.
Conclusions. The new morphological phase we have identified is likely the result of an evolved, gas-poor group acquiring a new, gas-rich member. The large spread of H I deficiencies in the first two morphological phases suggests that there is a broad range of initial H I content in HCGs, which is perhaps influenced by large-scale environment, and that the timescale for morphological changes is, in general, considerably shorter than the timescale for the destruction or consumption of neutral gas in these systems.

Abstract Copyright: © The Authors 2023

Journal keyword(s): galaxies: evolution - galaxies: groups: general - galaxies: interactions - galaxies: ISM - radio lines: ISM

VizieR on-line data: <Available at CDS (J/A+A/670/A21): table1.dat table2.dat tablec1.dat list.dat fits/*>

Simbad objects: 250

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Number of rows : 250
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 MCG+02-01-010 AG? 00 01 14.971 +13 06 44.65   16.97   14.67   ~ 44 0
3 HCG 100 CGG 00 01 19.783 +13 07 21.81           ~ 58 0
4 NGC 7803 GiG 00 01 19.9689164664 +13 06 40.486549320   13.8   12.62   ~ 98 0
5 Z 433-14 GiG 00 01 26.032 +13 06 46.59   15.3   14.28   ~ 57 0
6 Mrk 935 AG? 00 01 45.250 +13 06 02.00   15.5       ~ 22 0
7 NGC 7810 GiG 00 02 19.161 +12 58 17.69   14.3       ~ 43 1
8 Z 409-26 GiG 00 31 18.844 +08 28 30.33   15.0   13.40   ~ 81 0
9 Z 409-28 AGN 00 31 23.840 +08 28 01.32   14.6   13.10   ~ 110 0
10 HCG 2 CGG 00 31 24 +08 26.8           ~ 48 0
11 Z 409-30 GiG 00 31 29.3689510392 +08 24 02.141295480   15.4   13.97   ~ 49 0
12 UGC 315 G 00 31 38.3171410728 +08 23 26.084155596   16.74   15.12   ~ 13 0
13 NGC 192 GiC 00 39 13.39127 +00 51 50.8860   13.9   11.97   ~ 145 1
14 HCG 7 CGG 00 39 15.9 +00 53 17   11.4       ~ 87 0
15 NGC 196 GiG 00 39 17.8424526792 +00 54 45.971984899   14.2   12.40   ~ 85 0
16 NGC 197 GiP 00 39 18.7935711480 +00 53 31.087552704   14.85   13.39   ~ 61 0
17 NGC 201 EmG 00 39 34.8489575280 +00 51 35.886502080   14.7   12.41   ~ 107 0
18 NGC 529 GiG 01 25 40.2853500672 +34 42 46.858807800   13.1   11.68   ~ 105 0
19 NGC 531 GiG 01 26 18.7951667304 +34 45 14.685578460   14.9   13.23   ~ 56 0
20 NGC 536 AGN 01 26 21.7805515464 +34 42 11.066529348   13.2   11.81   ~ 132 0
21 HCG 10 CGG 01 26 24.5 +34 42 51           ~ 52 0
22 NGC 542 GiG 01 26 30.8394126528 +34 40 31.847585556   15.4   14.23   ~ 62 0
23 Z 387-40 GiG 02 07 25.2892107000 +02 06 58.200256080   15.94   13.96   ~ 26 0
24 Z 387-41 GiG 02 07 34.1164040136 +02 06 54.823402476   15.1   13.41   ~ 45 0
25 Z 387-42 GiG 02 07 37.5133971288 +02 10 50.646844884   15.3   13.69   ~ 51 0
26 MCG+00-06-036 G 02 07 37.7844257160 +02 11 24.907728804   16.73   15.35   ~ 22 0
27 HCG 15 CGG 02 07 39.0 +02 08 18           ~ 75 0
28 Z 387-43 G 02 07 39.7614506808 +02 08 58.877224152   14.91   13.34   ~ 46 0
29 Z 387-44 GiG 02 07 53.0841015768 +02 10 03.087912684   15.2   13.08   ~ 51 0
30 2MASX J02090602-1019131 GiG 02 09 06.029 -10 19 13.15   15.56       ~ 16 0
31 NGC 833 Sy2 02 09 20.8490871072 -10 07 59.003785884   14.02 13.00 12.75   ~ 207 0
32 NGC 835 Sy2 02 09 24.606 -10 08 09.31   13.29 12.45 12.24   ~ 226 1
33 NGC 838 LIN 02 09 38.562 -10 08 46.12   13.72   12.65   ~ 211 1
34 HCG 16 CGG 02 09 40.82 -10 11 02.0           ~ 175 0
35 NGC 839 EmG 02 09 42.73127 -10 11 01.6370   13.98 11.42 12.70   ~ 161 1
36 NGC 848 Sy2 02 10 17.5101354599 -10 19 15.440210938   13.35       ~ 70 1
37 WISEA J024206.39-122118.3 MIR 02 42 06.39 -12 21 18.3           ~ 1 0
38 MCG-02-07-073 GiG 02 42 38.2975281144 -12 25 16.057616304   14.51   12.85   ~ 51 0
39 MCG-02-07-074 EmG 02 42 41.942 -12 25 38.79   15.79   14.44   ~ 38 0
40 LEDA 10269 G 02 42 42.7410026208 -12 26 48.856650684   17.71   15.87   ~ 14 0
41 HCG 19 CGG 02 42 45 -12 24.7           ~ 37 0
42 MCG-02-07-075 GiG 02 42 46.757 -12 23 52.50   15.58   14.25   ~ 28 0
43 WISEA J024313.79-122138.9 MIR 02 43 13.79 -12 21 38.9           ~ 1 0
44 NGC 1189 GiP 03 03 24.48 -15 37 24.5   13.8   13.5 13.4 ~ 57 0
45 NGC 1190 GiP 03 03 26.1380266368 -15 39 42.731214516   15.32   13.64   ~ 51 0
46 NGC 1191 EmG 03 03 30.8587773456 -15 41 06.976642956   15.60   13.70   ~ 33 0
47 HCG 22 CGG 03 03 31 -15 40.5           ~ 69 0
48 NGC 1199 GiP 03 03 38.4220343160 -15 36 48.461862600   13.99 12.97 12.31 11.59 ~ 189 1
49 NGC 1188 GiP 03 03 43.3621254792 -15 29 04.342691508   14.46       ~ 28 0
50 NGC 1209 EmG 03 06 03.020 -15 36 40.58   12   11.42   ~ 153 0
51 MCG-02-08-048 AG? 03 06 17.40 -09 49 19.1   18       ~ 5 0
52 LEDA 987787 G 03 06 17.7 -09 41 13           ~ 3 0
53 NGC 1231 GiG 03 06 29.3330781552 -15 34 08.275963224   14.89   14.4 14.2 ~ 21 0
54 MCG-02-08-050 GiG 03 06 55.210 -09 37 42.90   16.66   14.54   ~ 40 0
55 NGC 1214 Sy1 03 06 55.9415492400 -09 32 38.450810976   15.13   13.45   ~ 54 0
56 HCG 23 CGG 03 07 06 -09 35.1           ~ 44 0
57 NGC 1215 GiG 03 07 09.4626542856 -09 35 33.695780136   14.0   13.27 13.6 ~ 52 0
58 NGC 1216 GiG 03 07 18.3927342768 -09 36 45.561419820   16.00   13.67   ~ 52 0
59 2SLAQ J032021.10-011013.6 LSB 03 20 21.03 -01 10 12.7   18.4       ~ 3 0
60 Z 390-67 EmG 03 20 38.5554550752 -01 02 06.123011712   15.7   14.58   ~ 46 0
61 Z 390-68 AGN 03 20 42.956 -01 06 31.15   14.70   13.63   ~ 94 0
62 Z 390-70 Sy2 03 20 43.1857210968 -01 00 08.162342424   16.10   14.60   ~ 48 0
63 HCG 25 CGG 03 20 43.7 -01 03 07     13.6     ~ 62 0
64 LEDA 12538 G 03 20 45.3272360592 -01 03 14.224586328   16.66   14.96   ~ 38 0
65 Z 390-69 GiG 03 20 45.4171166448 -01 02 40.908067368   14.9   12.33   ~ 52 0
66 LEDA 135673 LSB 03 20 45.818 -00 51 05.87   16.3       ~ 13 0
67 LEDA 12604 G 03 21 49.3890501048 -13 38 41.258342868   17.61   16.46   ~ 14 0
68 LEDA 12605 G 03 21 51.1 -13 39 49   18.34   17.57   ~ 15 0
69 HCG 26 CGG 03 21 54 -13 38.8           ~ 36 0
70 LEDA 12610 G 03 21 55.1 -13 38 54   18.48   17.61   ~ 10 0
71 2MFGC 2760 G 03 21 55.30 -13 39 03.0   17.34   15.93   ~ 17 0
72 LEDA 12613 G 03 21 56.5 -13 38 42   16.94   16.77   ~ 13 0
73 HCG 26b G 03 21 57.15 -13 38 54.0   16.74   15.46   ~ 13 0
74 LEDA 12615 G 03 21 57.5 -13 39 46   18.93   18.57   ~ 11 0
75 NGC 1618 EmG 04 36 06.574 -03 08 55.35   13.5       ~ 49 0
76 Z 393-44 GiG 04 36 18.6262896600 -02 49 53.030942076   13.79   11.29   ~ 39 0
77 LEDA 15624 AG? 04 36 23.3795427648 -02 48 00.099203508   15.87   14.70   ~ 22 0
78 HCG 30 CGG 04 36.5 -02 49           ~ 45 0
79 Z 393-45 Sy2 04 36 30.2724949056 -02 51 59.098177836   14.33   12.59   ~ 44 0
80 LEDA 15636 AG? 04 36 36.6000944952 -02 50 35.437200000   16.76   15.05   ~ 23 0
81 NGC 1622 Sy2 04 36 36.6755173920 -03 11 19.957511076   13   12.29   ~ 44 0
82 6dFGS gJ043650.5-030237 G 04 36 50.48 -03 02 36.5   16.08   15.12   ~ 2 0
83 NGC 1741B G 05 01 35.550 -04 15 47.42   15.35   14.73   ~ 66 0
84 HCG 31 CGG 05 01 37 -04 15.4           ~ 132 0
85 HCG 31e G 05 01 37.5 -04 15 57           ~ 26 0
86 LEDA 16573 G 05 01 37.832 -04 15 28.48   13.44   12.76   ~ 74 1
87 SDSS J050138.30-041533.9 G 05 01 38.2955322168 -04 15 34.012659996   15.62   14.43   ~ 27 0
88 LEDA 3092704 GiG 05 01 38.3 -04 13 21           ~ 25 0
89 WISEA J050138.33-041321.2 MIR 05 01 38.33 -04 13 21.2           ~ 1 0
90 IC 399 EmG 05 01 44.0604445128 -04 17 19.319048052   15.0 14.8     ~ 76 0
91 LEDA 3080767 Sy2 05 02 05.576 -04 30 01.22   15.19   17.41   ~ 7 0
92 Z 469-2 G 05 10 45.2 +18 01 11   18.06   14.85   ~ 31 0
93 2MASX J05104713+1801490 G 05 10 47.1308585304 +18 01 48.917835840   16.94   13.69   ~ 20 0
94 NVSS J051047+180112 rG 05 10 47.6159490978 +18 01 10.809757323   16.89   13.69   ~ 53 1
95 HCG 33 GrG 05 10 47.9 +18 02 05           ~ 9 0
96 2MASX J05105313+1802007 G 05 10 53.1550822464 +18 02 01.148930808   18.42   15.37   ~ 13 0
97 NGC 2783B GiG 09 13 32.834 +30 00 00.31   15.2   13.33   ~ 84 0
98 MCG+05-22-016 EmG 09 13 33.875 +30 00 51.45   16.41   15.87   ~ 45 0
99 MCG+05-22-018 AGN 09 13 34.0222370040 +30 02 23.333922168   17.01   15.97   ~ 49 0
100 HCG 37 CGG 09 13 35.6 +30 00 51           ~ 65 0
101 MCG+05-22-020 GiG 09 13 37.3548457080 +29 59 58.392000564   16.51   14.44   ~ 44 0
102 NGC 2783 LIN 09 13 39.4766036016 +29 59 34.601211960   13.9   12.05   ~ 137 0
103 LEDA 26830 G 09 27 34.2254006064 +12 18 05.712345900   17.30   15.53   ~ 11 0
104 Z 62-36 GiG 09 27 34.559 +12 16 09.40   16.13   14.53   ~ 41 0
105 HCG 38 CGG 09 27.6 +12 16           ~ 33 0
106 UGC 5044 IG 09 27 43.5280114656 +12 17 15.099939096   15.43   13.87   ~ 62 1
107 MCG+02-24-014 GiP 09 27 44.51949 +12 17 17.4712   16.09   14.62   ~ 23 0
108 GALEXASC J093831.05-044853.6 UV 09 38 31.05 -04 48 53.6           ~ 1 0
109 MCG-01-25-008 GiG 09 38 53.471 -04 50 55.32   14.09   12.18   ~ 65 0
110 MCG-01-25-009 GiG 09 38 53.610 -04 51 36.58   15.82   13.66   ~ 56 0
111 APG 321 IG 09 38 54 -04 51.1   15       ~ 82 0
112 MCG-01-25-012 GiG 09 38 54.961 -04 51 57.31   15.19   13.24   ~ 48 0
113 MCG-01-25-011 GiG 09 38 55.2813694056 -04 51 28.652049396   17.36   15.41   ~ 40 0
114 MCG-01-25-010 Sy1 09 38 55.763 -04 50 13.45   15.20   13.54   ~ 55 0
115 Z 65-30 LIN 10 25 46.2588993888 +13 43 00.614401068   15.29   13.56   ~ 65 0
116 MCG+02-27-014 AGN 10 25 47.7528782664 +13 44 56.791933620   17.16   15.99   ~ 37 0
117 HCG 47 CGG 10 25 47.904 +13 44 12.36           ~ 41 0
118 MCG+02-27-013 AGN 10 25 48.6011598360 +13 43 40.530112500   16.28   14.26   ~ 44 0
119 MCG+02-27-015 G 10 25 48.9962904600 +13 45 11.236329504   17.58   16.33   ~ 29 0
120 HCG 48 CGG 10 37 45.6 -27 04 50           ~ 58 0
121 IC 259 7 GiG 10 37 47.3320133088 -27 04 52.576660812   12.75   11.08   ~ 111 0
122 MCG-04-25-050 Sy2 10 37 49.5111941472 -27 07 16.163757372   14.21 13.55 13.13   ~ 71 0
123 ACO 1127 ClG 10 54 17.0 +14 39 04           ~ 24 0
124 SDSS J105454.97+670919.4 G 10 54 54.9896375280 +67 09 19.496964492           ~ 3 0
125 LEDA 32890 G 10 56 33.6619177128 +67 10 40.912781088   17.33   16.00   ~ 21 0
126 HCG 49 CGG 10 56 36 +67 10.8           ~ 37 0
127 LEDA 32893 G 10 56 36.829 +67 10 52.63   17.67   16.24   ~ 20 0
128 SDSS J105638.63+670906.0 G 10 56 38.63187 +67 09 06.1426           ~ 3 0
129 2MASX J10563918+6710490 H2G 10 56 39.2722309104 +67 10 49.094068188   16.76   15.47   ~ 28 0
130 LEDA 32899 G 10 56 41.7075682200 +67 11 05.685911556   16.32   14.92   ~ 24 0
131 LEDA 35380 EmG 11 29 14.1694027224 +20 34 52.192200756   16.38   15.55   ~ 51 0
132 HCG 54 CGG 11 29 15 +20 34.7           ~ 51 0
133 IC 700 GiG 11 29 15.3001498104 +20 34 59.400213672   14.16   13.94   ~ 50 0
134 LEDA 35384 GiG 11 29 16.28 +20 35 11.3   17.05   16.24   ~ 23 0
135 LEDA 35385 GiC 11 29 16.52 +20 35 19.0   18.26   17.85   ~ 21 0
136 HCG 56 CGG 11 32 32 +52 56.9           ~ 42 1
137 LEDA 35609 G 11 32 32.774 +52 56 21.44   16.54   15.19   ~ 41 0
138 VV 150c G 11 32 35.3340297048 +52 56 50.279148348   17.01   15.32   ~ 38 0
139 VV 150b G 11 32 36.7282595904 +52 56 51.614860848   15.87   14.27   ~ 37 0
140 Mrk 176 Sy2 11 32 40.2448971432 +52 57 01.289256768   15.50 14.61 13.52   ~ 244 1
141 MCG+09-19-113 G 11 32 46.6598798808 +52 56 26.905214292   16.36   14.81   ~ 50 0
142 NGC 3746 GiG 11 37 43.6219930632 +22 00 35.372362716   15.3   13.45   ~ 66 1
143 NGC 3745 GiC 11 37 44.4351073104 +22 01 16.633136100   16.35   14.56   ~ 30 1
144 NGC 3748 GiG 11 37 49.0692336480 +22 01 34.201908732   15.5   14.10   ~ 49 1
145 HCG 57 CGG 11 37 50.5 +21 59 06     15.4     ~ 87 1
146 2MASX J11375047+2200450 GiC 11 37 50.5003220808 +22 00 45.167942592   17.38   15.75   ~ 27 0
147 NGC 3750 LIN 11 37 51.63759 +21 58 27.2190   15.2   13.52   ~ 51 1
148 NGC 3753 AGN 11 37 53.783 +21 58 51.82   14.6   13.19   ~ 70 1
149 NGC 3751 GiC 11 37 53.8568221128 +21 56 11.333621688   15.23   14.07   ~ 37 1
150 NGC 3754 LIN 11 37 54.9243326832 +21 59 07.911508128   15.2   14.30   ~ 51 1
151 NGC 3817 LIN 11 41 52.9486569792 +10 18 15.783771096   14.4   13.24   ~ 68 0
152 NGC 3820 GiC 11 42 04.90736 +10 23 03.2965   15.59   14.33   ~ 46 0
153 NGC 3819 GiG 11 42 05.8627422000 +10 21 04.118754744   14.8   13.62   ~ 49 0
154 HCG 58 CGG 11 42 09.4 +10 16 30   11.8 13.68     ~ 82 1
155 NGC 3822 Sy2 11 42 11.0963209488 +10 16 39.965991204   13.7   12.97   ~ 142 0
156 NGC 3825 LIN 11 42 23.7302541144 +10 15 50.919348420   13.8   12.52   ~ 80 0
157 IC 736 GiG 11 48 20.1140766552 +12 42 59.635098360   15.3   14.22   ~ 51 0
158 HCG 59 CGG 11 48 27 +12 43.0           ~ 53 0
159 IC 737 GiG 11 48 27.5480690496 +12 43 38.466700032   14.7   13.48   ~ 52 0
160 Z 68-72 GiC 11 48 30.666 +12 43 47.25   16.29   15.21   ~ 44 0
161 Z 68-73 LSB 11 48 32.439 +12 42 18.36   16.04   15.05   ~ 58 0
162 NGC 4169 Sy2 12 12 18.7701840312 +29 10 45.851425968   12.9 12.34 11.67   ~ 148 1
163 NGC 4170 LSB 12 12 20.5824957096 +29 12 36.993595716   13.73 13.34 12.81   ~ 98 0
164 HCG 61 CGG 12 12 25.587 +29 09 57.14     13.5     ~ 57 0
165 NGC 4174 Sy2 12 12 26.8876661016 +29 08 57.158312172   14.3 13.64 13.05   ~ 114 2
166 NGC 4175 AGN 12 12 31.086 +29 10 08.06   14.2 13.45 12.71   ~ 119 0
167 NGC 4759 GiG 12 53 04.66 -09 12 02.1   14.21   12.04   ~ 51 0
168 HCG 62 CGG 12 53 05.6 -09 12 21           ~ 313 0
169 NGC 4761 BiC 12 53 05.6960048016 -09 12 14.579980632   13.79   11.25   ~ 90 1
170 6dFGS gJ125306.6-091528 GiG 12 53 06.6310197888 -09 15 27.601345548   16.30   14.11   ~ 29 0
171 NGC 4764 GiG 12 53 09.8 -09 11 50   15.00   13.59   ~ 34 0
172 NGC 5350 H2G 13 53 21.6232753416 +40 21 50.186768184   12.4   10.99   ~ 240 1
173 NGC 5353 rG 13 53 26.7104646981 +40 16 59.200050598   11.8   10.57   ~ 309 1
174 NGC 5354 LIN 13 53 26.7262413240 +40 18 09.928163700   12.3   10.64   ~ 169 0
175 HCG 68 CGG 13 53 40.9 +40 19 07     12.4     ~ 114 0
176 NGC 5355 GiP 13 53 45.5694778488 +40 20 19.254210180   14.0   13.08   ~ 126 0
177 NGC 5358 GiP 13 54 00.4229168952 +40 16 38.364580668   14.6   13.35   ~ 102 0
178 Z 219-28 GiG 13 55 07.852 +40 09 56.78   15.1   13.79   ~ 24 0
179 NGC 5390 LIN 13 55 39.9385716624 +40 27 42.380606592   12.81 11.93 10.04   ~ 373 1
180 NGC 5008 LIN 14 10 57.2358065376 +25 29 50.062553340   14.8   13.28   ~ 63 0
181 IC 4382 AGN 14 11 02.5369263336 +25 31 09.457908528   15.4   14.21   ~ 53 0
182 LEDA 50640 AGN 14 11 05.13110 +25 28 57.9260   16.43   15.44   ~ 28 0
183 HCG 71 CGG 14 11.1 +25 29           ~ 26 0
184 LEDA 50641 G 14 11 08.2466570400 +25 27 28.071511596   17.18   15.41   ~ 13 0
185 ACO 2054 ClG 15 14 34 +54 46.9           ~ 4 0
186 NGC 6027A GiG 15 59 10.8358913184 +20 45 43.819011072   13.4   14.21   ~ 70 0
187 NGC 6027B GiG 15 59 11.156 +20 45 17.02   13.4   13.46   ~ 78 0
188 HCG 79 CGG 15 59 11.605 +20 45 24.66           ~ 117 0
189 NGC 6027C GiG 15 59 11.875 +20 44 49.71   16.89   16.74   ~ 58 0
190 NGC 6027 GiG 15 59 12.542 +20 45 48.07   13.4   13.07   ~ 117 2
191 NGC 6027D GiG 15 59 12.9162474936 +20 45 35.731030752   16.61   15.31   ~ 28 0
192 MCG-01-53-014 EmG 20 52 12.751 -05 47 53.88   15.96   15.17   ~ 45 0
193 HCG 88 CGG 20 52.4 -05 45           ~ 55 0
194 NGC 6976 AG? 20 52 26.0260763016 -05 46 20.342324820   14.95   13.96   ~ 54 0
195 NGC 6977 LIN 20 52 29.7023914056 -05 44 45.953608524   14.28   12.73   ~ 71 0
196 NGC 6978 LIN 20 52 35.4347594760 -05 42 40.047186780   14.22   12.67   ~ 91 0
197 LEDA 198500 GiG 22 01 29.71488 -31 57 46.4472   16.80       ~ 12 0
198 NGC 7172 Sy2 22 02 01.897 -31 52 11.60   12.72 13.61 11.15 25.10 ~ 572 2
199 NGC 7173 GiP 22 02 03.1741852512 -31 58 25.338407412   12.10   10.59   ~ 142 0
200 HCG 90 CGG 22 02 06.3 -31 55 48           ~ 133 0
201 NGC 7174 GiP 22 02 06.45 -31 59 34.7   12.26 12.15 10.84   ~ 92 0
202 NGC 7176 GiP 22 02 08.4333223632 -31 59 23.446700592   12.08   10.59   ~ 131 0
203 HCG 91 CGG 22 09 00.8 -27 47 36           ~ 56 0
204 NGC 7214 Sy1 22 09 07.6631604816 -27 48 34.160960772   12.48 14.10 11.40   ~ 149 0
205 HCG 91d GiG 22 09 08.20 -27 48 01.0   12.64   11.57   ~ 26 0
206 MCG-05-52-035 EmG 22 09 13.9920880800 -27 46 55.650989460   14.76   13.99   ~ 59 0
207 MCG-05-52-037 EmG 22 09 14.26 -27 24 11.6   15.28   14.64   ~ 11 0
208 MCG-05-52-039 Sy2 22 09 16.282 -27 43 49.04   15.04   13.93   ~ 38 0
209 ESO 467-16 Sy1 22 09 50.2411952112 -27 32 08.007342576   14.58   13.64   ~ 21 0
210 NGC 7317 Sy2 22 35 51.8681746944 +33 56 41.758033380 15.10 14.57 13.60 12.72   ~ 182 1
211 NGC 7318A GiP 22 35 56.70407 +33 57 55.7710   14.4   13.13   ~ 140 0
212 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 480 1
213 NGC 7318B GiP 22 35 58.3903354632 +33 57 57.827617524   14.06   12.47   ~ 144 0
214 NGC 7320 GiG 22 36 03.4059680280 +33 56 53.623460220 13.12 13.23 12.63 12.38   ~ 204 3
215 NGC 7319 Sy2 22 36 03.602 +33 58 33.18   14.57 13.53 12.65   ~ 325 0
216 NGC 7547 GiG 23 15 03.4468657032 +18 58 24.094165512   14.9   12.92   ~ 58 0
217 HCG 93 CGG 23 15 12.2 +18 59 31           ~ 56 0
218 NGC 7550 LIN 23 15 16.0635618785 +18 57 41.255155052   13.9   11.85   ~ 133 1
219 NGC 7549 GiG 23 15 17.285 +19 02 29.92   14.1   12.79   ~ 133 0
220 NGC 7553 GiG 23 15 33.0984377976 +19 02 53.479431456   15.85   13.90   ~ 33 0
221 BAX 349.3187+18.7197 ClG 23 17 11.184 +18 41 48.87           ~ 97 0
222 MCG+01-59-046 G 23 19 27.8359540728 +09 29 40.355871360   16.38 15.38 14.66   ~ 46 0
223 HCG 95f GiG 23 19 29.0 +09 33 31           ~ 2 0
224 NGC 7609 IG 23 19 30.0445916616 +09 30 29.844638928   15.23 14.29 13.43   ~ 69 0
225 VV 20b G 23 19 31.1134732704 +09 30 11.002447872   17.23 16.14 15.37   ~ 34 0
226 HCG 95 CGG 23 19 32 +09 29.5           ~ 59 0
227 Z 406-67 G 23 19 33.787 +09 29 41.56   16.12 15.22 14.63   ~ 41 0
228 GALEXASC J232714.32+084125.5 UV 23 27 14.32 +08 41 25.5           ~ 1 0
229 GALEXASC J232727.99+083853.7 UV 23 27 27.99 +08 38 53.7           ~ 1 0
230 GALEXASC J232735.09+085018.2 UV 23 27 35.09 +08 50 18.2           ~ 1 0
231 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
232 NGC 7674A G 23 27 58.7553926496 +08 46 57.872148456   16.10   14.38   ~ 64 0
233 LEDA 71507 G 23 28 00.2 +08 46 02   17.13   16.10   ~ 32 0
234 HCG 96 CGG 23 28 00.40 +08 46 36.9           ~ 50 0
235 NGC 7675 GiG 23 28 05.9207591784 +08 46 06.691000476   14.8   13.20   ~ 65 1
236 GALEXASC J232813.78+084750.1 UV 23 28 13.78 +08 47 50.1           ~ 1 0
237 Z 406-117 Sy1 23 28 58.5199678776 +08 54 39.446969796   15.6       ~ 16 0
238 LEDA 1098512 G 23 46 06.760 -02 12 49.13           ~ 4 0
239 LEDA 72357 G 23 46 19.7 -02 09 17   17       ~ 3 0
240 WISEA J234701.65-022033.4 G 23 47 01.65 -02 20 33.4           ~ 2 0
241 IC 5351 GiG 23 47 18.9320265192 -02 18 48.516898356   14.95   12.66   ~ 48 0
242 IC 5352 GiG 23 47 19.8667839720 -02 16 50.750890536   16.75       ~ 27 0
243 IC 5357 GiG 23 47 23.0010862728 -02 18 02.057603256   14.27   12.75   ~ 63 0
244 IC 5356 GiG 23 47 23.8042007424 -02 21 04.380819552   15.11   13.57   ~ 44 0
245 HCG 97 CGG 23 47 24.0 -02 19 08           ~ 102 0
246 LEDA 1092439 G 23 47 31.7113 -02 25 24.919           ~ 3 0
247 LEDA 1092963 G 23 47 37.383 -02 24 22.91           ~ 4 0
248 IC 5359 Sy2 23 47 37.8658531296 -02 19 00.173670924   15.86   14.17   ~ 49 0
249 LEDA 3080162 EmG 23 47 59.898 -02 34 31.79   15.99   14.79   ~ 11 0
250 MCG-01-60-040 GiG 23 48 03.7749038160 -02 24 46.783979928   15.29       ~ 19 0

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