2024AJ....168...69Z

Query : 2024AJ....168...69Z

2024AJ....168...69Z - Astron. J., 168, 69 (2024/August-0)

LIGHTS. Survey Overview and a Search for Low Surface Brightness Satellite Galaxies.

ZARITSKY D., GOLINI G., DONNERSTEIN R., TRUJILLO I., AKHLAGHI M., CHAMBA N., D'ONOFRIO M., ESKANDARLOU S., HOSSEINI-SHAHISAVANDI S.Z., INFANTE-SAINZ R., MARTIN G., MONTES M., ROMAN J., SEDIGHI N. and SHARBAF Z.

Abstract (from CDS):

We present an overview of the LBT Imaging of Galactic Halos and Tidal Structures survey, which currently includes 25 nearby galaxies that are on average ∼1 mag fainter than the Milky Way, and a catalog of 54 low central surface brightness (24 < μ0,g/mag arcsec–2 < 28) satellite galaxy candidates, most of which were previously uncatalogued. The depth of the imaging exceeds the full 10 yr depth of the Rubin Observatory's Legacy Survey of Space and Time. We find, after applying completeness corrections, rising numbers of candidate satellites as we approach the limiting luminosity (Mr ∼ -8 mag) and central surface brightness (μ0,g ∼ 28 mag arcsec–2). Over the parameter range we explore, each host galaxy (excluding those that are in overdense regions, apparently groups) has nearly four such candidate satellites to a projected radius of ∼100 kpc. These objects are mostly just at or beyond the reach of spectroscopy unless they are H I rich or have ongoing star formation. We identify three, possibly four, ultra-diffuse satellite galaxies (effective radius >1.5 kpc). This incidence rate falls within expectations of the extrapolation of the published relationship between the number of ultra-diffuse satellite galaxies and host halo mass. Last, we visually identify 12 candidate satellites that host a nuclear star cluster (NSC). The NSC occupation fraction for the sample (12/54) matches that published for satellites of early-type galaxies, suggesting that the parent's morphological type plays at most a limited role in determining the NSC occupation fraction.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Companion galaxies - Low surface brightness galaxies - Dwarf galaxies - Galaxy stellar halos

Simbad objects: 109

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Number of rows : 109
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 SMDG J0239526-081243 LSB 02 39 52.7 -08 12 44           ~ 6 0
2 SMDG J0240045-082646 LSB 02 40 04.7 -08 26 46     18.2   17.9 ~ 7 0
3 SDSS J024007.01-081344.3 LSB 02 40 07.01952 -08 13 44.3280           ~ 8 0
4 NAME NGC 1042 Group GrG 02 40 23 -08 26.0           ~ 1 0
5 NGC 1042 SyG 02 40 23.9724818544 -08 26 00.736256616 11.47 11.56 11.02 11.7 11.4 ~ 286 1
6 SDSS J024028.61-081436.7 LSB 02 40 28.8 -08 14 36           ~ 9 0
7 SMDG J0240406-082308 LSB 02 40 40.60 -08 23 08.9           ~ 2 0
8 SMDG J0240557-082639 LSB 02 40 55.74 -08 26 39.0           ~ 1 0
9 SMDG J0241094-081749 LSB 02 41 09.5 -08 17 48           ~ 6 0
10 SMDG J0858543+443743 LSB 08 58 54.28 +44 37 43.4           ~ 3 0
11 NAME NGC 2712 Group GrG 08 59 30 +44 54.8           ~ 3 0
12 NGC 2712 Sy2 08 59 30.4854395352 +44 54 50.079495852   12.30       ~ 194 0
13 SMDG J0900028+445524 LSB 09 00 02.78 +44 55 23.9           ~ 1 0
14 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
15 NAME Antlia II Dwarf Galaxy G 09 35 32.8 -36 46 02           ~ 109 0
16 NGC 3026 GiP 09 50 55.309 +28 33 04.25   13.80       ~ 102 0
17 NGC 3049 EmG 09 54 49.651 +09 16 17.90   13.04       ~ 346 1
18 NGC 3198 EmG 10 19 54.990 +45 32 58.88 10.83 10.87 10.33     ~ 946 1
19 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1238 2
20 MATLAS-734 G 10 45 50.7 +11 40 52           ~ 2 0
21 SMDG J1046186+115918 LSB 10 46 18.62 +11 59 18.5           ~ 1 0
22 AGC 202026 LSB 10 46 30.2 +11 45 21   19.0       ~ 17 0
23 NAME M 96 Group GrG 10 46 45 +11 49.1           ~ 330 0
24 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 862 1
25 MATLAS-749 LSB 10 47 06.0 +11 52 40           ~ 3 0
26 MATLAS-753 LSB 10 47 40.6 +12 02 55     18.3   18.0 ~ 8 0
27 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
28 MATLAS-756 LSB 10 48 13.1 +11 58 06     18.8   18.4 ~ 11 0
29 NAME NGC 3486 Group GrG 11 00 23 +28 58.4           ~ 4 0
30 NGC 3486 Sy2 11 00 23.946 +28 58 29.35 10.89 11.11 10.53 10.40   ~ 373 1
31 SDSS J110144.69+285508.2 LSB 11 01 44.693 +28 55 08.21           ~ 5 0
32 NAME NGC 3596 Group GrG 11 15 06 +14 47.2           ~ 1 0
33 NGC 3596 H2G 11 15 06.2081129496 +14 47 13.284196332   12.01 11.49 10.99 10.45 ~ 226 0
34 SMDG J1115343+143132 LSB 11 15 34.32 +14 31 31.8           ~ 1 0
35 NAME NGC 3675 Group GrG 11 26 08 +43 35.1           ~ 1 0
36 NGC 3675 GiG 11 26 08.5641089832 +43 35 09.587062464   11.04   9.57   ~ 300 1
37 SMDG J1126214+434408 LSB 11 26 21.45 +43 44 07.9           ~ 1 0
38 SMDG J1126532+432749 LSB 11 26 53.18 +43 27 49.4           ~ 1 0
39 SMDG J1132312+470704 LSB 11 32 31.16 +47 07 03.9           ~ 1 0
40 NAME NGC 3726 Group GrG 11 33 21 +47 01.7           ~ 3 0
41 NGC 3726 G 11 33 21.1367545656 +47 01 45.280222428   11.11   10.02   ~ 374 0
42 MATLAS-1111 LSB 11 52 34.1 +37 07 00           ~ 4 0
43 NAME NGC 3941 Group GrG 11 52 55 +36 59.1           ~ 1 0
44 NGC 3941 Sy2 11 52 55.3609498656 +36 59 10.716212904   11.45 11.62 9.97   ~ 261 0
45 NGC 3953 GiG 11 53 49.0086582552 +52 19 36.475395312   11.08   9.71   ~ 380 0
46 SMDG J1155345+551658 LSB 11 55 34.52 +55 16 57.7           ~ 1 0
47 MATLAS-1120 LSB 11 55 40.8 +55 21 53           ~ 3 0
48 NAME NGC 3972 Group GrG 11 55 45 +55 19.2           ~ 1 0
49 NGC 3972 GiG 11 55 45.09048 +55 19 14.6460   13.14   11.94   ~ 242 1
50 MATLAS-1122 LSB 11 55 52.6 +55 25 27           ~ 4 0
51 MATLAS-1124 LSB 11 56 09.4 +55 15 55           ~ 5 0
52 NGC 3998 Sy2 11 57 56.1334044408 +55 27 12.922443432   11.64 12.10 10.09   ~ 682 2
53 NAME NGC 4010 Group GrG 11 58 37 +47 15.6           ~ 1 0
54 NGC 4010 G 11 58 37.991 +47 15 40.72   13.1       ~ 164 0
55 SMDG J1158469+473107 LSB 11 58 46.89 +47 31 07.0           ~ 1 0
56 SMDG J1214528+474319 LSB 12 14 52.80 +47 43 17.6           ~ 2 0
57 SMDG J1215038+473833 LSB 12 15 03.82 +47 38 33.5           ~ 1 0
58 NAME NGC 4220 Group GrG 12 16 11 +47 53.0           ~ 1 0
59 NGC 4220 G 12 16 11.7271475400 +47 53 00.116701188   12.4       ~ 166 0
60 SMDG J1217358+474748 LSB 12 17 35.90 +47 47 47.5           ~ 2 0
61 LEDA 39881 LSB 12 20 58.88 +08 51 55.6           ~ 8 0
62 NAME NGC 4307 Group GrG 12 22 05 +09 02.6           ~ 1 0
63 NGC 4307 GiG 12 22 05.625 +09 02 36.79   13.4       ~ 176 0
64 LSBVCC 362 LSB 12 22 09.60 +15 39 10.4   19.24       ~ 6 0
65 SMDG J1222266+084719 LSB 12 22 26.59 +08 47 19.3           ~ 1 0
66 LEDA 40116 LSB 12 22 42.3 +08 49 58   20       ~ 10 0
67 LEDA 40140 LSB 12 22 51.04 +08 54 08.9   21       ~ 9 0
68 SMDG J1222512+085046 LSB 12 22 51.20 +08 50 46.3           ~ 1 0
69 SMDG J1222537+160000 LSB 12 22 53.70 +16 00 00.0           ~ 1 0
70 NAME M 100 Group GrG 12 22 54 +15 49.3           ~ 2 0
71 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
72 LEDA 40159 LSB 12 22 55.481 +15 33 34.15   19.06       ~ 15 0
73 LEDA 40184 LSB 12 23 05.00 +15 55 54.1   17.85       ~ 9 0
74 NAME NGC 4689 Group GrG 12 47 45 +13 45.7           ~ 1 0
75 NGC 4689 H2G 12 47 45.5568088416 +13 45 46.135889100   12.8       ~ 418 0
76 LEDA 43216 LSB 12 48 03.23 +13 43 27.8   21       ~ 15 0
77 LEDA 43267 LSB 12 48 29.39 +13 48 18.7           ~ 9 0
78 SMDG J1300580+265835 LSB 13 00 57.996 +26 58 34.72     19.37 18.43   ~ 145 0
79 NAME NGC 5033 Group GrG 13 13 27 +36 35.6           ~ 8 0
80 NGC 5033 Sy2 13 13 27.535 +36 35 37.14   11.01 12.03 9.73   ~ 909 1
81 SMDG J1314091+362001 LSB 13 14 09.08 +36 20 00.6           ~ 3 0
82 SDSS J131420.58+363407.9 LSB 13 14 20.590 +36 34 07.92   17.08   16.40   ~ 8 0
83 NAME NGC 5248 Group GrG 13 37 32 +08 53.1           ~ 1 0
84 NGC 5248 G 13 37 32.0145074088 +08 53 06.496982448   11.4       ~ 554 0
85 SMDG J1337328+090816 LSB 13 37 32.82 +09 08 15.8           ~ 3 0
86 SMDG J1337528+085709 LSB 13 37 52.77 +08 57 09.1           ~ 1 0
87 SMDG J1504281+554100 LSB 15 04 28.06 +55 40 59.0           ~ 1 0
88 MATLAS-2006 LSB 15 04 50.0 +55 38 43           ~ 4 0
89 SDSS J150520.28+014846.6 LSB 15 05 20.28768 +01 48 46.6111       17.81   ~ 46 0
90 MATLAS-2026 LSB 15 05 30.7 +55 52 00           ~ 4 0
91 MATLAS-2043 LSB 15 05 52.3 +55 32 00           ~ 2 0
92 MATLAS-2053 G 15 06 06.1 +55 57 28           ~ 2 0
93 NAME M 102 Group GrG 15 06 29 +55 45.7           ~ 18 0
94 M 102 SyG 15 06 29.561 +55 45 47.91 11.12 10.74 9.89     ~ 578 2
95 MATLAS-2083 G 15 07 11.5 +56 00 18           ~ 2 0
96 MATLAS-2084 LSB 15 07 16.6 +55 28 29           ~ 5 0
97 SMDG J1508054+555216 LSB 15 08 05.39 +55 52 15.6           ~ 1 0
98 SMDG J1514241+562934 LSB 15 14 24.12 +56 29 33.6           ~ 1 0
99 SMDG J1514553+561124 LSB 15 14 55.30 +56 11 24.1           ~ 1 0
100 SMDG J1515425+564216 LSB 15 15 42.47 +56 42 16.3           ~ 1 0
101 SMDG J1515436+561925 LSB 15 15 43.61 +56 19 25.0           ~ 1 0
102 NAME NGC 5907 Group GrG 15 15 53 +56 19.7           ~ 5 0
103 NGC 5906 GiG 15 15 53.687 +56 19 43.86   11.4       ~ 807 0
104 SMDG J1516241+562636 LSB 15 16 24.10 +56 26 36.2           ~ 4 0
105 SMDG J1516500+561315 LSB 15 16 50.04 +56 13 15.5           ~ 1 0
106 NAME NGC 6015 Group GrG 15 51 25 +62 18.6           ~ 1 0
107 NGC 6015 AG? 15 51 25.2376583904 +62 18 36.233118396   11.69 11.14 10.61 10.08 ~ 254 0
108 SMDG J1551357+621734 LSB 15 51 35.74 +62 17 33.8           ~ 1 0
109 NAME Local Group GrG ~ ~           ~ 9325 0

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