2023MNRAS.526.3130F

Query : 2023MNRAS.526.3130F

2023MNRAS.526.3130F - Mon. Not. R. Astron. Soc., 526, 3130-3140 (2023/December-1)

WALLABY pre-pilot survey: ultra-diffuse galaxies in the Eridanus supergroup.

FOR B.-Q., SPEKKENS K., STAVELEY-SMITH L., BEKKI K., KARUNAKARAN A., CATINELLA B., KORIBALSKI B.S., LEE-WADDELL K., MADRID J.P., MURUGESHAN C., RHEE J., WESTMEIER T., WONG O.I., ZARITSKY D. and DONNERSTEIN R.

Abstract (from CDS):

We present a pilot study of the atomic neutral hydrogen gas (H I) content of ultra-diffuse galaxy (UDG) candidates. In this paper, we use the pre-pilot Eridanus field data from the Widefield ASKAP L-band Legacy All-sky Blind Survey to search for H I in UDG candidates found in the Systematically Measuring Ultra-diffuse Galaxies survey (SMUDGes). We narrow down to 78 SMUDGes UDG candidates within the maximum radial extents of the Eridanus subgroups for this study. Most SMUDGes UDGs candidates in this study have effective radii smaller than 1.5 kpc and thus fail to meet the defining size threshold. We only find one H I detection, which we classify as a low-surface-brightness dwarf. Six putative UDGs are H I-free. We show the overall distribution of SMUDGes UDG candidates on the size-luminosity relation and compare them with low-mass dwarfs on the atomic gas fraction versus stellar mass scaling relation. There is no correlation between gas-richness and colour indicating that colour is not the sole parameter determining their H I content. The evolutionary paths that drive galaxy morphological changes and UDG formation channels are likely the additional factors to affect the H I content of putative UDGs. The actual numbers of UDGs for the Eridanus and NGC 1332 subgroups are consistent with the predicted abundance of UDGs and the halo virial mass relation, except for the NGC 1407 subgroup, which has a smaller number of UDGs than the predicted number. Different group environments suggest that these putative UDGs are likely formed via the satellite accretion scenario.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): galaxies: formation - galaxies: groups: general - galaxies: ISM

Simbad objects: 102

goto Full paper

goto View the references in ADS

Number of rows : 102
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 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 1077 0
2 ACO 168 ClG 01 15 07.58 +00 19 10.8           ~ 379 2
3 Z 385-64 BLL 01 18 53.6237165304 -01 00 07.248153600   15.0       ~ 81 1
4 ACO 370 ClG 02 39 50.5 -01 35 08           ~ 825 0
5 NGC 1209 EmG 03 06 03.020 -15 36 40.58   12   11.42   ~ 153 0
6 SMDG J0323043-214406 LSB 03 23 04.26 -21 44 06.3           ~ 3 0
7 SMDG J0323114-211718 LSB 03 23 11.37 -21 17 18.1           ~ 3 0
8 SMDG J0323337-215007 LSB 03 23 33.67 -21 50 07.2           ~ 3 0
9 SMDG J0325588-211846 LSB 03 25 58.85 -21 18 45.6           ~ 4 0
10 SMDG J0326090-204202 LSB 03 26 09.01 -20 42 01.9           ~ 3 0
11 NAME NGC 1332 Group GrG 03 26 17.1 -21 20 05           ~ 18 0
12 NGC 1332 GiP 03 26 17.321 -21 20 07.33   11.45   9.84   ~ 378 0
13 SMDG J0326322-213042 LSB 03 26 32.17 -21 30 42.0           ~ 4 0
14 SMDG J0327056-220152 LSB 03 27 05.60 -22 01 52.5           ~ 3 0
15 SMDG J0327071-211103 LSB 03 27 07.14 -21 11 02.9           ~ 3 0
16 SMDG J0327167-212816 LSB 03 27 16.73 -21 28 16.0           ~ 3 0
17 SMDG J0329017-211330 LSB 03 29 01.65 -21 13 30.4           ~ 4 0
18 SMDG J0329222-223503 LSB 03 29 22.20 -22 35 03.0           ~ 3 0
19 SMDG J0331092-222746 LSB 03 31 09.17 -22 27 46.4           ~ 3 0
20 SMDG J0331554-214857 LSB 03 31 55.41 -21 48 56.6           ~ 3 0
21 SMDG J0332113-224258 LSB 03 32 11.32 -22 42 57.6           ~ 3 0
22 NAME NGC 1400 Group GrG 03 32 16.00 -18 33 54.0           ~ 75 0
23 SMDG J0332162-215020 LSB 03 32 16.21 -21 50 20.4           ~ 3 0
24 SMDG J0332252-231233 LSB 03 32 25.22 -23 12 32.9           ~ 3 0
25 SMDG J0334016-222425 LSB 03 34 01.63 -22 24 25.5           ~ 3 0
26 SMDG J0334020-205042 LSB 03 34 01.99 -20 50 42.4           ~ 3 0
27 SMDG J0334026-225944 LSB 03 34 02.60 -22 59 44.3           ~ 3 0
28 GALEXASC J033408.06-232130.1 LSB 03 34 08.05 -23 21 28.3           ~ 4 0
29 SMDG J0334085-202755 LSB 03 34 08.49 -20 27 54.8           ~ 3 0
30 SMDG J0334279-215511 LSB 03 34 27.87 -21 55 11.0           ~ 3 0
31 SMDG J0334317-224026 LSB 03 34 31.72 -22 40 26.4           ~ 3 0
32 LEDA 13248 LSB 03 34 49.0 -21 15 19           ~ 5 0
33 SMDG J0335006-240205 LSB 03 35 00.57 -24 02 05.1           ~ 3 0
34 SMDG J0335146-212025 LSB 03 35 14.64 -21 20 25.4           ~ 3 0
35 SMDG J0335286-230353 LSB 03 35 28.60 -23 03 53.4           ~ 3 0
36 SMDG J0335366-205719 LSB 03 35 36.59 -20 57 18.8           ~ 3 0
37 SMDG J0335389-224503 LSB 03 35 38.93 -22 45 03.4           ~ 3 0
38 SMDG J0335396-240610 LSB 03 35 39.58 -24 06 10.0           ~ 3 0
39 SMDG J0335548-204129 LSB 03 35 54.78 -20 41 29.1           ~ 3 0
40 SMDG J0335557-240456 LSB 03 35 55.73 -24 04 55.7           ~ 3 0
41 SMDG J0336039-233707 LSB 03 36 03.91 -23 37 07.0           ~ 3 0
42 SMDG J0336168-193044 LSB 03 36 16.84 -19 30 44.1           ~ 3 0
43 SMDG J0336444-231222 LSB 03 36 44.44 -23 12 22.0           ~ 3 0
44 SMDG J0336515-242027 LSB 03 36 51.54 -24 20 26.8           ~ 3 0
45 SMDG J0336536-205622 LSB 03 36 53.55 -20 56 21.9           ~ 3 0
46 SMDG J0336574-225429 LSB 03 36 57.45 -22 54 29.5           ~ 3 0
47 SMDG J0337002-230022 LSB 03 37 00.22 -23 00 21.8           ~ 4 0
48 SMDG J0337279-231213 LSB 03 37 27.88 -23 12 12.7           ~ 4 0
49 SMDG J0337349-241754 LSB 03 37 34.88 -24 17 54.2           ~ 3 0
50 SMDG J0338016-215236 LSB 03 38 01.61 -21 52 35.9           ~ 4 0
51 SMDG J0338261-231711 LSB 03 38 26.10 -23 17 11.3           ~ 3 0
52 SMDG J0338275-224853 LSB 03 38 27.50 -22 48 53.2           ~ 4 0
53 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
54 NGC 1395 SyG 03 38 29.789 -23 01 39.69   10.71   8.99   ~ 289 0
55 NAME Eridanus ClG GrG 03 38 32.00 -22 18 51.0           ~ 200 0
56 SMDG J0338399-225036 LSB 03 38 39.89 -22 50 35.9           ~ 4 0
57 SMDG J0338400-234705 LSB 03 38 40.04 -23 47 04.8           ~ 3 0
58 SMDG J0338435-231802 LSB 03 38 43.47 -23 18 01.8           ~ 3 0
59 SMDG J0338459-221445 LSB 03 38 45.90 -22 14 44.6           ~ 3 0
60 SMDG J0339143-224559 LSB 03 39 14.30 -22 45 58.8           ~ 3 0
61 SMDG J0339202-213621 LSB 03 39 20.18 -21 36 21.0           ~ 3 0
62 SMDG J0339260-234204 LSB 03 39 26.00 -23 42 04.2           ~ 3 0
63 SMDG J0339319-231306 LSB 03 39 31.86 -23 13 05.7           ~ 3 0
64 SMDG J0339319-225715 LSB 03 39 31.91 -22 57 15.2           ~ 4 0
65 SMDG J0339322-192517 LSB 03 39 32.24 -19 25 17.1           ~ 4 0
66 SMDG J0339551-225832 LSB 03 39 55.10 -22 58 32.4           ~ 4 0
67 SMDG J0339561-203308 LSB 03 39 56.08 -20 33 07.9           ~ 4 0
68 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
69 SMDG J0340134-210010 LSB 03 40 13.45 -21 00 09.8           ~ 3 0
70 SMDG J0340269-215024 LSB 03 40 26.85 -21 50 23.9           ~ 3 0
71 SMDG J0340339-223257 LSB 03 40 33.91 -22 32 56.8           ~ 4 0
72 SMDG J0340447-225228 LSB 03 40 44.66 -22 52 27.7           ~ 3 0
73 SMDG J0340486-222533 LSB 03 40 48.57 -22 25 33.4           ~ 3 0
74 SMDG J0340497-221646 LSB 03 40 49.70 -22 16 45.9           ~ 3 0
75 SMDG J0340559-235101 LSB 03 40 55.91 -23 51 01.1           ~ 3 0
76 SMDG J0340587-224143 LSB 03 40 58.72 -22 41 42.9           ~ 4 0
77 SMDG J0341069-222114 LSB 03 41 06.92 -22 21 13.5           ~ 3 0
78 SMDG J0341202-231539 LSB 03 41 20.25 -23 15 39.3           ~ 3 0
79 SMDG J0341326-231108 LSB 03 41 32.61 -23 11 08.2           ~ 3 0
80 SMDG J0341331-230852 LSB 03 41 33.15 -23 08 51.8           ~ 3 0
81 SMDG J0341423-214659 LSB 03 41 42.28 -21 46 58.9           ~ 4 0
82 SMDG J0342478-234626 LSB 03 42 47.77 -23 46 26.0           ~ 3 0
83 SMDG J0342509-235621 LSB 03 42 50.90 -23 56 21.5           ~ 3 0
84 SMDG J0342562-223144 LSB 03 42 56.17 -22 31 44.0           ~ 3 0
85 SMDG J0343006-215649 LSB 03 43 00.60 -21 56 48.7           ~ 3 0
86 SMDG J0343345-214250 LSB 03 43 34.50 -21 42 49.6           ~ 4 0
87 SMDG J0344477-212255 LSB 03 44 47.72 -21 22 55.1           ~ 3 0
88 LEDA 134049 G 03 45 06.0239053968 -22 36 32.458573512   16.13       ~ 6 0
89 LEDA 811216 G 03 45 09.3 -22 37 43           ~ 2 0
90 SMDG J0345097-223826 LSB 03 45 09.73 -22 38 25.7           ~ 3 0
91 SMDG J0345101-222353 LSB 03 45 10.13 -22 23 53.4           ~ 3 0
92 SMDG J0345106-232201 LSB 03 45 10.63 -23 22 00.8           ~ 3 0
93 NAME NGC 1566 Group GrG 04 20 00.6 -54 56 17           ~ 180 0
94 NAME Leo T G 09 34 53.4 +17 03 05     15.1     ~ 434 0
95 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 905 1
96 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
97 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
98 [FWB89] GrG 237 GrG 14 04.6 +55 17   11.1       ~ 9 0
99 [CHM2007] LDC 1029 GrG 14 04 37.32 +55 14 10.5           ~ 4 0
100 ACO S 1063 ClG 22 48 45.4 -44 31 42           ~ 395 0
101 HCG 95 CGG 23 19 32 +09 29.5           ~ 59 0
102 NAME CFA Great Wall SCG ~ ~           ~ 142 0

To bookmark this query, right click on this link: simbad:objects in 2023MNRAS.526.3130F and select 'bookmark this link' or equivalent in the popup menu