2019MNRAS.483.5409D

Query : 2019MNRAS.483.5409D

2019MNRAS.483.5409D - Mon. Not. R. Astron. Soc., 483, 5409-5425 (2019/March-2)

The neutral hydrogen properties of galaxies in gas-rich groups.

DZUDZAR R., KILBORN V., MEURER G., SWEET S.M., DRINKWATER M., BEKKI K., AUDCENT-ROSS F., KORIBALSKI B., KIM J.H., PUTMAN M., RYAN-WEBER E., ZWAAN M., BLAND-HAWTHORN J., DOPITA M., DOYLE-PEGG M.T., ELSON E., FREEMAN K., HANISH D., HECKMAN T., KENNICUTT R., KNEZEK P., MEYER M., SMITH C., STAVELEY-SMITH L., WEBSTER R. and WERK J.

Abstract (from CDS):

We present an analysis of the integrated neutral hydrogen (H I) properties for 27 galaxies within nine low-mass, gas-rich, late-type dominated groups which we denote 'Choirs'. We find that majority of the central Choir galaxies have average H I content: they have a normal gas-mass fraction with respect to isolated galaxies of the same stellar mass. In contrast, we find more satellite galaxies with a lower gas-mass fraction than isolated galaxies of the same stellar mass. A likely reason for the lower gas content in these galaxies is tidal stripping. Both the specific star formation rate and the star formation efficiency of the central group galaxies are similar to galaxies in isolation. The Choir satellite galaxies have similar specific star formation rate as galaxies in isolation, therefore satellites that exhibit a higher star formation efficiency simply owe it to their lower gas-mass fractions. We find that the most H I massive galaxies have the largest H I discs and fall neatly on to the H I size-mass relation, while outliers are galaxies that are experiencing interactions. We find that high specific angular momentum could be a reason for galaxies to retain the large fraction of H I gas in their discs. This shows that for the Choir groups with no evidence of interactions, as well as those with traces of minor mergers, the internal galaxy properties dominate over the effects of residing in a group. The probed galaxy properties strengthen evidence that the Choir groups represent the early stages of group assembly.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: general - galaxies: groups: general - galaxies: groups: individual: HIPASSJ1250-20 - galaxies: interactions - galaxies: ISM

Nomenclature: Table A1: [DKM2019] HIPASS JHHMM+DD Sm N=2, [DKM2019] HIPASS JHHMM+DD NEDN N=2.

Simbad objects: 69

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Number of rows : 69
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
3 ESO 153-16 AG? 02 04 50.780 -55 13 01.55   15.09   14.48   ~ 20 0
4 [SMD2013] HIPASS J0205-55 GrG 02 05 05.480 -55 06 42.55           ~ 3 0
5 ESO 153-17 Sy1 02 05 05.5375932000 -55 06 42.737952528   13.92   12.71 13.6 ~ 46 0
6 PKS 0252-712 rG 02 52 46.15578 -71 04 35.2742   19.0 19.0     ~ 104 1
7 [SMD2013] HIPASS J0258-74 GrG 02 58 06.480 -74 27 22.79           ~ 3 0
8 ESO 31-5 EmG 02 58 06.6537089784 -74 27 23.383725840   14.07   13.31 13.4 ~ 49 0
9 LEDA 250130 AG? 02 58 42.760 -74 26 03.55           ~ 6 0
10 LEDA 250148 AG? 02 58 52.430 -74 25 53.25           ~ 6 0
11 NGC 1337 Sy1 03 28 05.959 -08 23 19.03   12.53   12.6 12.2 ~ 112 0
12 ACO 3193 ClG 04 00 40.820 -52 44 02.72           ~ 34 0
13 ESO 156-29 G 04 00 40.9286171208 -52 44 02.311333584   15.29       ~ 17 0
14 Z 392-6 GiG 04 12 52.4301816816 +02 22 10.725887820   15.3       ~ 39 0
15 PKS 0420-62 rG 04 20 56.04155 -62 23 38.8505           ~ 28 1
16 Z 393-31 LSB 04 30 59.650 -02 00 12.01   14.90   14.4 14.6 ~ 59 0
17 NGC 1853 EmG 05 12 16.4932887360 -57 23 56.548726872   13.58   12.72 13.1 ~ 62 0
18 ESO 305-17 AG? 05 15 00.61 -41 23 32.9   14.61   14.10 14.1 ~ 43 0
19 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
20 NAME M 81-82 Group GrG 09 55 +69.1           ~ 758 0
21 ESO 567-48 EmG 10 19 41.65 -17 44 59.6   16.06   15.14 14.5 ~ 25 0
22 [SMD2013] HIPASS J1026-19 GrG 10 26 40.810 -19 03 04.03           ~ 3 0
23 MCG-03-27-013 EmG 10 26 40.8365555232 -19 03 04.612651416   14.60   13.69 13.9 ~ 36 0
24 SINGG HIPASS J1026-19 S5 EmG 10 26 42.070 -19 07 35.07           ~ 3 0
25 LEDA 860076 Sy2 10 26 50.083 -19 04 31.03   16.2       ~ 9 0
26 WISEA J105049.71-171411.2 G 10 50 49.713600 -17 14 11.22000           ~ 2 0
27 NGC 3431 Sy2 10 51 15.0493220328 -17 00 29.027211696   14.3   13.39 13.8 ~ 75 0
28 MCG-03-28-015 EmG 10 51 24.093 -19 53 26.62   13.83   12.69 13.2 ~ 68 0
29 LEDA 890556 AG? 10 51 35.940 -16 59 16.80           ~ 7 0
30 [SMD2013] HIPASS J1051-17 GrG 10 51 37.460 -17 07 29.24           ~ 3 0
31 LEDA 32573 Sy2 10 51 37.4624525568 -17 07 29.012460672   14.05       ~ 32 0
32 MCG-03-28-016 AG? 10 52 15.9479791056 -17 07 48.245157192   14   13.68   ~ 19 0
33 LEDA 83410 G 10 59 06.770 -09 45 04.38   16.03   16.43   ~ 9 0
34 LEDA 987349 G 10 59 08.460 -09 43 14.49           ~ 5 0
35 MCG-01-28-012 G 10 59 15.610 -09 48 59.41   15       ~ 7 0
36 MCG-01-28-013 EmG 10 59 16.2382842120 -09 47 39.059532528   14       ~ 24 0
37 USGC S154 GrG 10 59 16.250 -09 47 38.15           ~ 7 0
38 LEDA 987069 G 10 59 30.980 -09 44 25.26   16.46       ~ 7 0
39 MCG-03-29-005 EmG 11 20 12.0868236216 -21 28 13.957025808   13.9   14.0 13.6 ~ 42 0
40 NGC 3660 Sy2 11 23 32.2781260536 -08 39 30.730097016   15.34 14.45     ~ 185 0
41 QSO J1130-1449 Bla 11 30 07.0523452128 -14 49 27.388021944   17.17 16.90 16 16.97 ~ 739 1
42 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
43 QSO B1245-197 QSO 12 48 23.89808243 -19 59 18.5899475   21.52 20.5     ~ 145 1
44 LEDA 842984 G 12 50 39.920 -20 20 52.87           ~ 4 0
45 MCG-03-33-009 EmG 12 50 40.9017961323 -20 20 05.906597749   15.07   13.95 14.4 ~ 26 0
46 SINGG HIPASS J1250-20 S6 EmG 12 50 45.870 -20 23 30.10           ~ 2 0
47 SINGG HIPASS J1250-20 S7 EmG 12 50 46.920 -20 23 12.40           ~ 2 0
48 ESO-LV 575-0061 G 12 50 49.770 -20 22 03.44   16.09   15.02   ~ 4 0
49 MCG-03-33-010 EmG 12 50 52.8082959552 -20 22 16.846515588   14.89   13.75   ~ 20 0
50 [SMD2013] HIPASS J1250-20 GrG 12 50 52.840 -20 22 15.64           ~ 3 0
51 SINGG HIPASS J1250-20 S5 EmG 12 50 59.160 -20 28 14.80           ~ 3 0
52 QSO B1334-127 Bla 13 37 39.78278132 -12 57 24.6933925   18.5 19.00 16.22   ~ 540 1
53 6dFGS gJ140841.1-213741 EmG 14 08 41.070 -21 37 40.81   16.40   15.38 15.4 ~ 10 0
54 ESO 578-26 G 14 08 41.9819874480 -21 35 49.905971808   14.33   13.38   ~ 33 0
55 [SMD2013] HIPASS J1408-21 GrG 14 08 42.040 -21 35 49.81           ~ 3 0
56 LEDA 828104 G 14 08 46.4 -21 27 09           ~ 3 0
57 HIPASS J1558-10 AG? 15 58 20.0960 -10 32 15.363   15.8   15.8 15.6 ~ 9 0
58 NGC 6118 EmG 16 21 48.6065282088 -02 17 00.680742060   13.20   12.0 11.7 ~ 213 0
59 [VV2006] J193732.4-583828 QSO 19 37 32.3964680928 -58 38 27.959383968     17.9     ~ 22 1
60 IC 4901 GiG 19 54 23.5602286656 -58 42 48.989845872   12.29   11.02 11.6 ~ 75 0
61 ESO 234-28 EmG 20 27 32.1304257768 -51 39 19.919445948   14.31   13.20 13.9 ~ 25 0
62 [SMD2013] HIPASS J2027-51 GrG 20 28 06.390 -51 41 29.83           ~ 3 0
63 ESO 234-32 Sy2 20 28 06.4780776120 -51 41 29.805268200   14.49   13.34   ~ 40 0
64 GALEXASC J202808.43-512830.5 G 20 28 08.43 -51 28 30.5           ~ 2 0
65 LEDA 329372 EmG 20 38 57.2581899024 -63 46 15.863471976   16.24   15.32 15.6 ~ 17 0
66 NGC 7059 EmG 21 27 21.4652309472 -60 00 52.783268292   12.51 12.30 11.38 11.9 ~ 84 0
67 NGC 7140 EmG 21 52 15.352 -55 34 10.79   12.68 13.49 11.63 12.0 ~ 92 0
68 ESO 146-2A G 21 57 55.3 -60 18 34   16.39   16.10 15.4 ~ 22 0
69 NAME Local Group GrG ~ ~           ~ 9325 0

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