2023A&A...676A.118D

Query : 2023A&A...676A.118D

2023A&A...676A.118D - Astronomy and Astrophysics, volume 676A118 (2023/8-1)

An H I story of galaxies in Abell 2626 and beyond.

DEB T., VERHEIJEN M.A.W. and VAN DER HULST J.M.

Abstract (from CDS):

Context. To study the effects of environment on galaxies, we use H I observations of galaxies in and around the cluster Abell 2626 (A2626). The cluster can effectively be divided into three different environments: the cluster itself, a group environment in the periphery of the cluster (we call it the Swarm), and substructure in the cluster itself. We use these to study the dependence of the galaxy properties on environment.
Aims. We have explored the relation between H I deficiency, H I morphology, and star formation deficiency for the galaxies in and around the A2626 galaxy cluster to investigate the environmental effects on these properties.
Methods. To quantify the asymmetries of the outer H I disc of a galaxy, we used 1) three visual classes based on the outermost reliable H I contour (settled, disturbed, and unsettled H I discs), 2) the offset between the H I centre and the optical centre of a galaxy, and 3) the modified asymmetry parameter Amod as defined previously.
Results. The H I deficiency of a galaxy is strongly correlated with the projected distance from the centre of A2626. Furthermore, substructure galaxies tend to be more asymmetric than the isolated galaxies in A2626, probably because tidal interactions are more efficient within the substructures than outside the substructures. Moreover, asymmetric, offset, and smaller H I discs are not necessarily the result of the cluster environment because they are also observed in substructures in A2626 and in the Swarm. This signifies that a pre-processing of the H I discs of galaxies in groups or substructures plays an important role, together with the processing in the cluster environment. Finally, the star formation rates for the galaxies in all three environments are slightly lower than the typical star formation rate for normal galaxies, as manifested by their offset from the star formation main sequence. This implies effective gas removal mechanisms in all three environments.

Abstract Copyright: © The Authors 2023

Journal keyword(s): Galaxy: evolution - galaxies: clusters: intracluster medium

Simbad objects: 115

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Number of rows : 115
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 NGC 169 SyG 00 36 51.6072915048 +23 59 27.553231968   13.70 13.1     ~ 127 0
2 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
3 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1476 2
4 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
5 SDSS J233409.36+211641.9 G 23 34 09.36568 +21 16 41.9950           ~ 3 0
6 SDSS J233413.05+212327.5 G 23 34 13.05742 +21 23 27.5332           ~ 3 0
7 SDSS J233425.70+213122.9 G 23 34 25.70742 +21 31 22.7903           ~ 3 0
8 LEDA 1647461 G 23 34 38.1617715600 +21 18 51.877226124           ~ 4 0
9 LEDA 1646914 G 23 34 38.80436 +21 17 20.9972           ~ 5 0
10 [HDV2021] 17 G 23 34 40.31 +20 37 10.9           ~ 2 0
11 [HDV2021] 19 G 23 34 53.16 +21 33 44.0           ~ 3 0
12 SDSS J233455.82+212245.8 G 23 34 55.82635 +21 22 45.8833           ~ 3 0
13 SDSS J233500.37+205908.6 G 23 35 00.37920 +20 59 08.6748           ~ 3 0
14 SDSS J233510.54+212147.8 G 23 35 10.53704 +21 21 47.8312           ~ 3 0
15 LEDA 1656999 G 23 35 12.34852 +21 46 28.2557           ~ 4 0
16 [HDV2021] 29 G 23 35 25.93 +20 44 19.3           ~ 2 0
17 SDSS J233526.81+211638.3 G 23 35 26.81727 +21 16 38.3244           ~ 3 0
18 [HDV2021] 32 G 23 35 27.64 +20 40 59.2           ~ 2 0
19 SDSS J233528.63+203803.2 G 23 35 28.65091 +20 38 03.2955           ~ 3 0
20 SDSS J233532.73+211011.3 G 23 35 32.73888 +21 10 11.2492           ~ 3 0
21 2MASX J23353347+2102515 EmG 23 35 33.5000019864 +21 02 52.077262452           ~ 7 0
22 LEDA 1633956 G 23 35 35.8 +20 41 59           ~ 4 0
23 [HDV2021] 40 G 23 35 35.93 +20 38 07.1           ~ 2 0
24 SDSS J233536.98+210440.3 G 23 35 36.98006 +21 04 40.3871           ~ 3 0
25 SDSS J233537.03+204639.6 G 23 35 37.04293 +20 46 39.6429           ~ 3 0
26 SDSS J233537.44+211025.1 G 23 35 37.44001 +21 10 25.0888           ~ 3 0
27 SDSS J233539.99+210844.6 G 23 35 40.0255 +21 08 44.713           ~ 5 0
28 [HDV2021] 46 G 23 35 40.43 +20 53 57.5           ~ 2 0
29 SDSS J233544.62+210228.7 G 23 35 44.62392 +21 02 28.7916           ~ 3 0
30 [HDV2021] 53 G 23 35 45.43 +20 50 45.6           ~ 2 0
31 SDSS J233546.25+210031.0 G 23 35 46.25819 +21 00 31.0466           ~ 3 0
32 LEDA 1629266 G 23 35 46.32423 +20 30 26.4229           ~ 4 0
33 LEDA 1641306 G 23 35 47.6058338856 +21 02 07.057016340           ~ 4 0
34 LEDA 1634119 G 23 35 47.8528562448 +20 42 26.615527632           ~ 5 0
35 SDSS J233549.79+211356.4 G 23 35 49.80146 +21 13 56.4204           ~ 3 0
36 2MASX J23355005+2023185 LSB 23 35 50.054 +20 23 18.57           ~ 5 0
37 NAME The Swarm GrG 23 35 55.26 +20 51 43.2           ~ 5 0
38 WINGS J233556.65+211333.3 G 23 35 56.663 +21 13 33.09           ~ 4 0
39 2MASX J23355705+2111055 EmG 23 35 57.0526868976 +21 11 05.676666612   16.60       ~ 9 0
40 SDSS J233557.38+205307.1 G 23 35 57.39256 +20 53 07.1821           ~ 3 0
41 SDSS J233557.68+211703.5 G 23 35 57.67855 +21 17 03.6206           ~ 3 0
42 SDSS J233602.82+210821.1 G 23 36 02.82000 +21 08 21.1056           ~ 3 0
43 2MASX J23360455+2106127 GiG 23 36 04.5225555768 +21 06 13.364073648           ~ 8 0
44 [HDV2021] 73 G 23 36 06.20 +20 31 13.8           ~ 2 0
45 SDSS J233607.00+210500.1 G 23 36 07.00086 +21 05 00.2692           ~ 3 0
46 [HDV2021] 77 G 23 36 09.55 +20 54 28.4           ~ 2 0
47 SDSS J233611.37+205702.0 G 23 36 11.36634 +20 57 02.0501           ~ 3 0
48 SDSS J233614.66+214434.3 G 23 36 14.64907 +21 44 34.3733           ~ 3 0
49 [HDV2021] 84 G 23 36 15.66 +20 50 46.9           ~ 3 0
50 [HDV2021] 86 G 23 36 16.89 +21 54 12.2           ~ 2 0
51 LEDA 1629469 G 23 36 18.06822 +20 30 54.6646           ~ 4 0
52 LEDA 85510 G 23 36 18.5813 +21 04 02.383   16.40       ~ 9 0
53 SDSS J233619.79+204950.3 G 23 36 19.79200 +20 49 50.3776           ~ 3 0
54 SDSS J233624.23+204355.5 G 23 36 24.23088 +20 43 55.5620           ~ 3 0
55 SDSS J233626.71+215204.9 G 23 36 26.71992 +21 52 04.9296           ~ 3 0
56 ACO 2626 ClG 23 36 31.0 +21 09 36           ~ 265 0
57 SDSS J233631.03+205750.0 G 23 36 31.03501 +20 57 50.0869           ~ 3 0
58 LEDA 1638133 G 23 36 31.53237 +20 53 25.7264           ~ 5 0
59 LEDA 1633645 G 23 36 32.6 +20 41 09           ~ 4 0
60 LEDA 1630992 G 23 36 32.86787 +20 34 24.7169           ~ 4 0
61 LEDA 1631095 G 23 36 34.277 +20 34 41.17           ~ 4 0
62 Z 455-28 rG 23 36 39.7432441272 +21 06 06.868075248   15.6       ~ 9 0
63 SDSS J233642.05+212810.6 G 23 36 42.06327 +21 28 10.7542           ~ 3 0
64 LEDA 85518 G 23 36 42.700 +21 22 12.22           ~ 6 0
65 SDSS J233645.05+205108.7 G 23 36 45.05210 +20 51 08.7146           ~ 3 0
66 SDSS J233647.54+212506.6 G 23 36 47.54179 +21 25 06.7972           ~ 3 0
67 LEDA 1633811 G 23 36 47.73305 +20 41 36.1483           ~ 5 0
68 SDSS J233648.56+205031.3 G 23 36 48.57304 +20 50 31.3429           ~ 3 0
69 SDSS J233650.53+203534.6 G 23 36 50.53536 +20 35 34.6956           ~ 3 0
70 SDSS J233652.31+204719.4 G 23 36 52.31621 +20 47 19.4946           ~ 3 0
71 [HDV2021] 126 G 23 36 52.59 +20 37 26.0           ~ 2 0
72 SDSS J233654.67+203635.0 G 23 36 54.68555 +20 36 35.0914           ~ 3 0
73 Z 455-29 G 23 36 55.1014453632 +21 27 08.883637128   15.6       ~ 5 0
74 LEDA 1636333 G 23 36 55.43430 +20 48 26.0555           ~ 5 0
75 SDSS J233657.81+204254.2 G 23 36 57.81104 +20 42 54.2590           ~ 3 0
76 SDSS J233658.57+203442.4 G 23 36 58.58317 +20 34 42.3250           ~ 3 0
77 [HDV2021] 134 G 23 37 02.06 +20 47 56.0           ~ 2 0
78 WINGS J233703.23+205326.9 EmG 23 37 03.255 +20 53 26.49           ~ 4 0
79 SDSS J233703.72+205304.1 G 23 37 03.72689 +20 53 04.1346           ~ 3 0
80 SDSS J233705.27+210739.1 G 23 37 05.27994 +21 07 39.0374           ~ 3 0
81 SDSS J233711.63+204243.3 G 23 37 11.65149 +20 42 43.3016           ~ 3 0
82 [HDV2021] 143 G 23 37 12.13 +20 45 54.0           ~ 2 0
83 WINGS J233712.73+210406.6 GiC 23 37 12.758 +21 04 06.53           ~ 4 0
84 SDSS J233720.02+204934.0 G 23 37 20.02362 +20 49 34.0477           ~ 3 0
85 SDSS J233720.15+213258.3 G 23 37 20.15112 +21 32 58.3044           ~ 3 0
86 WINGS J233721.13+205717.9 GiC 23 37 21.1370911080 +20 57 17.552208420           ~ 4 0
87 SDSS J233723.08+205719.7 G 23 37 23.08800 +20 57 19.7172           ~ 3 0
88 [HDV2021] 157 G 23 37 26.14 +21 00 16.2           ~ 2 0
89 SDSS J233731.24+205616.2 G 23 37 31.24626 +20 56 16.2769           ~ 3 0
90 SDSS J233733.15+203213.4 G 23 37 33.15234 +20 32 13.4939           ~ 3 0
91 SDSS J233735.81+210101.8 G 23 37 35.82403 +21 01 01.7805           ~ 3 0
92 LEDA 1629640 G 23 37 39.94021 +20 31 18.7949           ~ 5 0
93 SDSS J233741.04+213051.6 G 23 37 41.05947 +21 30 51.7307           ~ 3 0
94 SDSS J233745.24+210742.1 G 23 37 45.23908 +21 07 42.1650           ~ 3 0
95 SDSS J233746.51+212126.6 G 23 37 46.51203 +21 21 26.7232           ~ 3 0
96 LEDA 1633253 G 23 37 48.757 +20 40 13.07           ~ 4 0
97 [HDV2021] 172 G 23 37 50.60 +21 24 54.4           ~ 2 0
98 SDSS J233751.32+211127.1 G 23 37 51.32261 +21 11 27.2699           ~ 3 0
99 SDSS J233756.65+205436.8 G 23 37 56.65560 +20 54 36.8783           ~ 3 0
100 SDSS J233756.99+212234.8 G 23 37 56.99712 +21 22 34.7988           ~ 3 0
101 SDSS J233758.90+204000.6 G 23 37 58.91053 +20 40 00.6177           ~ 3 0
102 LEDA 1639545 G 23 38 00.6270640464 +20 57 22.054315356           ~ 5 0
103 SDSS J233808.40+205755.0 G 23 38 08.40898 +20 57 55.0570           ~ 3 0
104 SDSS J233825.56+204911.2 G 23 38 25.56249 +20 49 11.2489           ~ 3 0
105 SDSS J233826.00+203517.6 G 23 38 26.00673 +20 35 18.1300           ~ 3 0
106 LEDA 1650860 GiC 23 38 28.5 +21 28 48           ~ 4 0
107 SDSS J233832.29+203644.9 G 23 38 32.29872 +20 36 44.9748           ~ 3 0
108 2MASX J23384108+2123358 GiC 23 38 41.1187164768 +21 23 36.376070748           ~ 5 0
109 [HDV2021] 200 G 23 38 46.64 +20 48 55.4           ~ 2 0
110 SDSS J233847.26+204720.0 G 23 38 47.26871 +20 47 20.0484           ~ 3 0
111 SDSS J233848.60+212311.0 G 23 38 48.60670 +21 23 11.0199           ~ 3 0
112 LEDA 1639014 G 23 38 48.61992 +20 55 50.2752           ~ 4 0
113 ACO 2637 ClG 23 38 57.80 +21 25 55.2           ~ 37 0
114 SDSS J233859.60+211723.6 G 23 38 59.60664 +21 17 23.6652           ~ 3 0
115 LEDA 1640148 G 23 39 48.55647 +20 58 57.5784           ~ 4 0

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