2022A&A...662A..43V

Query : 2022A&A...662A..43V

2022A&A...662A..43V - Astronomy and Astrophysics, volume 662A43-43 (2022/6-1)

The Fornax Deep Survey with the VST. XII. Low surface brightness dwarf galaxies in the Fornax cluster.

VENHOLA A., PELETIER R.F., SALO H., LAURIKAINEN E., JANZ J., HAIGH C., WILKINSON M.H.F., IODICE E., HILKER M., MIESKE S., CANTIELLO M. and SPAVONE M.

Abstract (from CDS):


Context. Low surface brightness (LSB) dwarf galaxies in galaxy clusters are an interesting group of objects as their contribution to the galaxy luminosity function and their evolutionary paths are not yet clear. Increasing the completeness of our galaxy catalogs is crucial for understanding these galaxies, which have effective surface brightnesses below 23 mag arcsec–2 (in optical). Progress is continuously being made via the performance of deep observations, but detection depth and the quantification of the completeness can also be improved via the application of novel approaches in object detection. For example, the Fornax Deep Survey (FDS) has revealed many faint galaxies that can be visually detected from the images down to a surface brightness level of 27 mag arcsec–2, whereas traditional detection methods, such as using Source Extractor (SE), fail to find them.
Aims. In this work we use a max-tree based object detection algorithm (Max-Tree Objects, MTO) on the FDS data in order to detect previously undetected LSB galaxies. After extending the existing Fornax dwarf galaxy catalogs with this sample, our goal is to understand the evolution of LSB dwarfs in the cluster. We also study the contribution of the newly detected galaxies to the faint end of the luminosity function.
Methods. We test the detection completeness and parameter extraction accuracy of MTO using simulated and real images. We then apply MTO to the FDS images to identify LSB candidates. The identified objects are fitted with 2D Sersic models using GALFIT and classified as imaging artifacts, likely cluster members, or background galaxies based on their morphological appearance, colors, and structure.
Results. With MTO, we are able to increase the completeness of our earlier FDS dwarf catalog (FDSDC) 0.5-1 mag deeper in terms of total magnitude and surface brightness. Due to the increased accuracy in measuring sizes of the detected objects, we also add many small galaxies to the catalog that were previously excluded as their outer parts had been missed in detection. We detect 265 new LSB dwarf galaxies in the Fornax cluster, which increases the total number of known dwarfs in Fornax to 821. Using the whole cluster dwarf galaxy population, we show that the luminosity function has a faint-end slope of α = -1.38 ± 0.02. We compare the obtained luminosity function with different environments studied earlier using deep data but do not find any significant differences. On the other hand, the Fornax-like simulated clusters in the IllustrisTNG cosmological simulation have shallower slopes than found in the observational data. We also find several trends in the galaxy colors, structure, and morphology that support the idea that the number of LSB galaxies is higher in the cluster center due to tidal forces and the age dimming of the stellar populations. The same result also holds for the subgroup of large LSB galaxies, so-called ultra-diffuse galaxies.

Abstract Copyright: © ESO 2022

Journal keyword(s): galaxies: evolution - galaxies: dwarf - galaxies: clusters: individual: Fornax

VizieR on-line data: <Available at CDS (J/A+A/662/A43): tableb1.dat>

Nomenclature: Table B.1: [VPS2022] FDSLSBNNN (Nos 1-265).

Simbad objects: 281

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Number of rows : 281
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 1023 AG? 02 40 24.0133575864 +39 03 47.663392896 10.91 10.35 9.35 7.83   ~ 689 2
2 [VPS2022] FDSLSB64 LSB 03 16 43.6 -37 47 11           ~ 1 0
3 [VPS2022] FDSLSB61 LSB 03 17 48.4 -37 43 40           ~ 1 0
4 SMDG J0318518-373707 LSB 03 18 51.85 -37 37 07.2           ~ 3 0
5 [VPS2022] FDSLSB20 LSB 03 19 28.6 -36 52 07           ~ 1 0
6 [VPS2022] FDSLSB63 LSB 03 19 32.7 -37 54 06           ~ 1 0
7 [VPS2022] FDSLSB62 LSB 03 19 38.5 -37 30 42           ~ 1 0
8 [VPS2022] FDSLSB19 LSB 03 19 54.3 -36 24 50           ~ 1 0
9 [VPS2022] FDSLSB21 LSB 03 21 08.3 -36 13 53           ~ 1 0
10 [VPS2022] FDSLSB76 LSB 03 21 18.6 -36 21 53           ~ 1 0
11 [VPS2022] FDSLSB177 LSB 03 21 56.1 -37 37 34           ~ 1 0
12 [VPS2022] FDSLSB80 LSB 03 22 02.7 -36 17 39           ~ 1 0
13 [VPS2022] FDSLSB175 LSB 03 22 06.4 -37 32 34           ~ 1 0
14 [VPS2022] FDSLSB70 LSB 03 22 23.5 -35 59 32           ~ 1 0
15 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
16 [VPS2022] FDSLSB74 LSB 03 22 57.5 -36 49 12           ~ 1 0
17 [VPS2022] FDSLSB79 LSB 03 22 59.6 -36 45 57           ~ 1 0
18 [VPS2022] FDSLSB174 LSB 03 23 01.3 -37 25 16           ~ 1 0
19 [VPS2022] FDSLSB77 LSB 03 23 19.6 -36 19 56           ~ 1 0
20 [VPS2022] FDSLSB173 LSB 03 23 21.2 -37 06 48           ~ 1 0
21 [VPS2022] FDSLSB72 LSB 03 23 25.6 -36 26 00           ~ 1 0
22 [VPS2022] FDSLSB178 LSB 03 23 39.8 -37 05 42           ~ 1 0
23 [VPS2022] FDSLSB73 LSB 03 24 13.1 -36 56 58           ~ 1 0
24 [VPS2022] FDSLSB176 LSB 03 25 02.9 -37 00 15           ~ 1 0
25 [VPS2022] FDSLSB81 LSB 03 25 21.1 -36 40 51           ~ 1 0
26 [VPS2022] FDSLSB78 LSB 03 25 48.1 -36 47 20           ~ 1 0
27 NGFS J032601-364224 LSB 03 26 01.14 -36 42 23.5           ~ 2 0
28 [VPS2022] FDSLSB75 LSB 03 26 03.6 -36 54 16           ~ 1 0
29 [VPS2022] FDSLSB179 LSB 03 26 04.5 -37 06 31           ~ 1 0
30 NGFS J032633-350917 LSB 03 26 33.36 -35 09 15.7           ~ 2 0
31 NGFS J032635-342952 LSB 03 26 34.81 -34 29 52.1           ~ 4 0
32 [VPS2022] FDSLSB200 LSB 03 26 35.3 -35 06 02           ~ 1 0
33 [VPS2022] FDSLSB197 LSB 03 26 36.6 -35 01 35           ~ 1 0
34 NGFS J032640-351107 LSB 03 26 40.36 -35 11 06.6           ~ 2 0
35 [VPS2022] FDSLSB83 LSB 03 26 48.9 -33 41 47           ~ 1 0
36 [VPS2022] FDSLSB185 LSB 03 26 50.4 -34 02 26           ~ 1 0
37 [VPS2022] FDSLSB187 LSB 03 26 52.9 -36 05 09           ~ 1 0
38 [VPS2022] FDSLSB190 LSB 03 27 02.7 -36 05 28           ~ 1 0
39 [VPS2022] FDSLSB202 LSB 03 27 06.4 -35 00 19           ~ 1 0
40 NGFS J032708-350805 LSB 03 27 07.54 -35 08 04.5           ~ 2 0
41 [VPS2022] FDSLSB92 LSB 03 27 11.5 -37 29 26           ~ 1 0
42 [VPS2022] FDSLSB196 LSB 03 27 18.1 -34 59 45           ~ 1 0
43 NGFS J032728-364251 LSB 03 27 28.48 -36 42 51.4           ~ 2 0
44 FDS 31 0607 LSB 03 27 34.9 -33 17 29           ~ 6 0
45 [VPS2022] FDSLSB195 LSB 03 27 40.9 -35 01 34           ~ 1 0
46 [VPS2022] FDSLSB191 LSB 03 27 47.6 -36 48 00           ~ 1 0
47 [VPS2022] FDSLSB198 LSB 03 27 51.0 -35 02 24           ~ 1 0
48 NGFS J032753-350407 LSB 03 27 53.40 -35 04 06.6           ~ 3 0
49 [VPS2022] FDSLSB89 LSB 03 27 54.2 -37 31 36           ~ 1 0
50 [VPS2022] FDSLSB189 LSB 03 28 09.1 -36 56 12           ~ 1 0
51 NGFS J032824-354547 LSB 03 28 23.80 -35 45 46.5           ~ 2 0
52 [VPS2022] FDSLSB181 LSB 03 28 44.4 -34 03 59           ~ 1 0
53 NGFS J032904-372016 LSB 03 29 04.22 -37 20 15.5           ~ 5 0
54 NGFS J032931-342408 LSB 03 29 30.58 -34 24 08.3           ~ 4 0
55 [VPS2022] FDSLSB84 LSB 03 29 42.5 -33 09 12           ~ 1 0
56 [VPS2022] FDSLSB87 LSB 03 29 43.1 -37 04 12           ~ 1 0
57 NGFS J032951-362349 LSB 03 29 51.10 -36 23 49.4           ~ 4 0
58 NGFS J032958-342259 LSB 03 29 57.67 -34 22 59.1           ~ 2 0
59 [VPS2022] FDSLSB180 LSB 03 30 15.5 -34 25 30           ~ 1 0
60 [VPS2022] FDSLSB88 LSB 03 30 18.0 -37 12 22           ~ 1 0
61 NGFS J033023-361331 LSB 03 30 22.61 -36 13 31.2           ~ 2 0
62 [VPS2022] FDSLSB90 LSB 03 30 53.8 -37 39 30           ~ 1 0
63 NGFS J033059-344136 LSB 03 30 58.89 -34 41 36.0           ~ 2 0
64 [VPS2022] FDSLSB194 LSB 03 31 00.5 -35 30 46           ~ 1 0
65 NGFS J033101-353815 LSB 03 31 01 -35 38.3           ~ 4 0
66 NGFS J033119-350955 LSB 03 31 19.17 -35 09 55.1           ~ 4 0
67 NGFS J033127-360545 LSB 03 31 26.61 -36 05 44.8           ~ 2 0
68 [VPS2022] FDSLSB236 LSB 03 31 47.7 -36 20 52           ~ 1 0
69 NGFS J033151-345050 LSB 03 31 51.41 -34 50 49.5           ~ 3 0
70 NGFS J033158-353719 LSB 03 31 57.99 -35 37 19.3           ~ 2 0
71 NGFS J033202-362259 LSB 03 32 02.45 -36 22 58.9           ~ 2 0
72 NGFS J033205-354936 LSB 03 32 06 -35 49.6           ~ 6 0
73 [VPS2022] FDSLSB50 LSB 03 32 08.2 -35 01 12           ~ 1 0
74 [VPS2022] FDSLSB94 LSB 03 32 10.1 -34 15 54           ~ 1 0
75 LEDA 74698 LSB 03 32 30.4 -34 20 54   18.5       ~ 10 0
76 NGFS J033232-364758 LSB 03 32 31.78 -36 47 58.1           ~ 2 0
77 [VPS2022] FDSLSB52 LSB 03 32 55.1 -35 10 03           ~ 1 0
78 NGFS J033312-350208 LSB 03 33 12 -35 02.1           ~ 6 0
79 NGFS J033314-350139 LSB 03 33 14 -35 01.7           ~ 5 0
80 NGFS J033316-353551 LSB 03 33 15.979 -35 35 50.90           ~ 6 0
81 [VPS2022] FDSLSB239 LSB 03 33 22.3 -36 04 48           ~ 1 0
82 NGFS J033335-342800 LSB 03 33 34.85 -34 27 59.9           ~ 2 0
83 [VPS2022] FDSLSB248 LSB 03 33 42.8 -36 01 29           ~ 1 0
84 [VPS2022] FDSLSB48 LSB 03 33 43.5 -35 44 00           ~ 1 0
85 [VPS2022] FDSLSB111 LSB 03 33 43.8 -37 06 59           ~ 1 0
86 NGFS J033344-331404 LSB 03 33 43.78 -33 14 04.4           ~ 2 0
87 NGFS J033349-372027 LSB 03 33 48.62 -37 20 26.6           ~ 2 0
88 NGFS J033358-361127 LSB 03 33 58.18 -36 11 27.0           ~ 2 0
89 [VPS2022] FDSLSB246 LSB 03 33 58.4 -36 05 39           ~ 1 0
90 [VPS2022] FDSLSB42 LSB 03 34 06.9 -35 22 48           ~ 1 0
91 NGFS J033407-352838 LSB 03 34 06.975 -35 28 37.99           ~ 6 0
92 FCC 130 LSB 03 34 09.179 -35 30 59.50   18.2       ~ 13 0
93 NGFS J033411-364501 LSB 03 34 11.21 -36 45 00.7           ~ 2 0
94 [VPS2022] FDSLSB54 LSB 03 34 15.8 -35 39 09           ~ 1 0
95 [VPS2022] FDSLSB148 LSB 03 34 22.0 -33 45 29           ~ 1 0
96 NGFS J033423-355042 LSB 03 34 23.337 -35 50 41.89           ~ 6 0
97 NGFS J033425-355805 LSB 03 34 24.690 -35 58 04.87           ~ 3 0
98 [VPS2022] FDSLSB107 LSB 03 34 25.9 -37 29 04           ~ 1 0
99 NGFS J033428-354837 LSB 03 34 28.390 -35 48 37.31           ~ 3 0
100 NGFS J033429-345640 LSB 03 34 28.522 -34 56 40.07           ~ 4 0
101 [VPS2022] FDSLSB98 LSB 03 34 28.8 -34 26 25           ~ 1 0
102 NGFS J033433-350236 LSB 03 34 32.551 -35 02 35.50           ~ 9 0
103 [VPS2022] FDSLSB146 LSB 03 34 36.0 -33 42 26           ~ 1 0
104 NGFS J033441-342117 LSB 03 34 40.50 -34 21 16.8           ~ 2 0
105 [VPS2022] FDSLSB44 LSB 03 34 41.3 -35 30 25           ~ 1 0
106 NGFS J033443-353115 LSB 03 34 43.390 -35 31 15.08           ~ 8 0
107 NGFS J033446-345334 LSB 03 34 46.056 -34 53 33.57           ~ 5 0
108 [VPS2022] FDSLSB110 LSB 03 34 51.5 -36 58 40           ~ 1 0
109 NGFS J033455-331233 LSB 03 34 55.11 -33 12 32.6           ~ 2 0
110 NGFS J033457-354115 LSB 03 34 56.556 -35 41 14.52           ~ 6 0
111 CGF 9-31 LSB 03 34 58.30 -35 15 31.4           ~ 2 0
112 NGFS J033459-361150 LSB 03 34 58.73 -36 11 49.7           ~ 4 0
113 [VPS2022] FDSLSB35 LSB 03 35 00.7 -35 25 20           ~ 1 0
114 [VPS2022] FDSLSB112 LSB 03 35 02.8 -37 54 28           ~ 1 0
115 [VPS2022] FDSLSB151 LSB 03 35 03.0 -33 41 28           ~ 1 0
116 LEDA 74754 LSB 03 35 30.366 -35 15 08.26   19.2 18.99     ~ 15 0
117 [VPS2022] FDSLSB109 LSB 03 35 31.2 -37 02 22           ~ 1 0
118 [VPS2022] FDSLSB149 LSB 03 35 31.5 -33 14 24           ~ 1 0
119 [VPS2022] FDSLSB242 LSB 03 35 40.8 -36 44 37           ~ 1 0
120 NGFS J033547-352142 LSB 03 35 47.340 -35 21 42.40           ~ 7 0
121 [VPS2022] FDSLSB102 LSB 03 35 48.0 -34 41 59           ~ 1 0
122 [VPL2017] FDS10 LSB57 LSB 03 35 53 -34 14.6           ~ 2 0
123 [VPL2017] FDS12 LSB42 LSB 03 36 00 -36 34.4           ~ 3 0
124 NGFS J033600-355610 LSB 03 36 00.110 -35 56 10.29           ~ 9 0
125 NGFS J033602-351839 LSB 03 36 01.763 -35 18 38.58           ~ 6 0
126 [VPS2022] FDSLSB257 LSB 03 36 08.2 -36 17 21           ~ 1 0
127 NGFS J033608-355913 LSB 03 36 08.422 -35 59 12.94           ~ 5 0
128 NGFS J033610-354017 LSB 03 36 10.106 -35 40 17.18           ~ 7 0
129 NGFS J033612-354447 LSB 03 36 12.220 -35 44 46.98           ~ 6 0
130 [VPS2022] FDSLSB163 LSB 03 36 17.6 -34 19 07           ~ 1 0
131 [VPS2022] FDSLSB141 LSB 03 36 25.0 -33 43 40           ~ 1 0
132 FCC 171 LSB 03 36 37.252 -35 23 09.33           ~ 28 2
133 NGFS J033639-353641 LSB 03 36 38.551 -35 36 40.77           ~ 6 0
134 [VPS2022] FDSLSB154 LSB 03 36 45.9 -34 24 50           ~ 1 0
135 [VPS2022] FDSLSB172 LSB 03 36 46.2 -34 47 42           ~ 1 0
136 NGFS J033655-362112 LSB 03 36 54.918 -36 21 12.21           ~ 4 0
137 NGFS J033657-355011 LSB 03 36 57.103 -35 50 11.45           ~ 5 0
138 NGFS J033659-330943 LSB 03 36 58.45 -33 09 42.7           ~ 2 0
139 NGFS J033700-350816 LSB 03 36 59.856 -35 08 15.72           ~ 11 0
140 [VPL2017] FDS10 LSB47 LSB 03 37 09 -34 17.5           ~ 2 0
141 NGFS J033715-344205 LSB 03 37 15.060 -34 42 05.08           ~ 3 0
142 NGFS J033716-365031 LSB 03 37 15.45 -36 50 30.6           ~ 2 0
143 NGFS J033716-352130 LSB 03 37 15.685 -35 21 29.67           ~ 8 0
144 LEDA 74790 LSB 03 37 17.98 -35 41 54.8   18.2 17.80     ~ 25 1
145 [VPS2022] FDSLSB155 LSB 03 37 25.8 -34 22 15           ~ 1 0
146 [VPS2022] FDSLSB265 LSB 03 37 26.8 -36 42 59           ~ 1 0
147 [VPS2022] FDSLSB231 LSB 03 37 27.1 -35 18 21           ~ 1 0
148 NGFS J033737-344430 LSB 03 37 36.860 -34 44 29.71           ~ 3 0
149 NGFS J033744-354214 LSB 03 37 44.448 -35 42 14.34           ~ 6 0
150 [VPS2022] FDSLSB134 LSB 03 37 47.0 -33 26 12           ~ 1 0
151 NGFS J033758-370709 LSB 03 37 58.02 -37 07 09.1           ~ 2 0
152 NGFS J033803-364431 LSB 03 38 03.21 -36 44 30.5           ~ 2 0
153 [VPS2022] FDSLSB234 LSB 03 38 04.1 -35 16 56           ~ 1 0
154 [VPS2022] FDSLSB161 LSB 03 38 04.7 -34 22 59           ~ 1 0
155 [VPS2022] FDSLSB171 LSB 03 38 06.6 -34 24 54           ~ 1 0
156 NGFS J033808-330133 LSB 03 38 08.33 -33 01 32.8           ~ 2 0
157 NGFS J033808-360030 LSB 03 38 08.465 -36 00 30.07           ~ 9 0
158 [VPS2022] FDSLSB153 LSB 03 38 13.3 -34 46 35           ~ 1 0
159 [VPS2022] FDSLSB255 LSB 03 38 23.4 -36 33 05           ~ 1 0
160 [VPL2017] FDS10 LSB16 LSB 03 38 24 -34 38.9           ~ 3 0
161 NGFS J033828-350222 LSB 03 38 27.989 -35 02 21.83           ~ 4 0
162 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
163 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
164 NGFS J033831-344629 LSB 03 38 31.470 -34 46 28.70           ~ 5 0
165 NGFS J033833-333948 LSB 03 38 33.10 -33 39 47.8           ~ 3 0
166 [VPS2022] FDSLSB158 LSB 03 38 36.3 -34 32 01           ~ 1 0
167 [VPS2022] FDSLSB86 LSB 03 38 38.6 -37 21 18           ~ 1 0
168 [VPS2022] FDSLSB157 LSB 03 38 38.8 -34 17 05           ~ 1 0
169 [VPS2022] FDSLSB225 LSB 03 38 47.7 -35 43 32           ~ 1 0
170 [VPS2022] FDSLSB156 LSB 03 38 47.7 -34 33 23           ~ 1 0
171 NGFS J033854-355912 LSB 03 38 54.197 -35 59 11.99           ~ 4 0
172 LEDA 74826 LSB 03 38 55.048 -35 14 13.20   19.5       ~ 15 0
173 NGFS J033859-354428 LSB 03 38 58.990 -35 44 28.10           ~ 5 0
174 NGFS J033904-363333 LSB 03 39 04 -36 33.6           ~ 4 0
175 [VPS2022] FDSLSB135 LSB 03 39 15.7 -33 55 05           ~ 1 0
176 [VPS2022] FDSLSB144 LSB 03 39 23.4 -33 39 36           ~ 1 0
177 [VPS2022] FDSLSB264 LSB 03 39 23.8 -36 56 57           ~ 1 0
178 NGFS J033929-353421 LSB 03 39 28.908 -35 34 21.30           ~ 8 0
179 NGFS J033932-333634 LSB 03 39 32.10 -33 36 34.0           ~ 4 0
180 [VPS2022] FDSLSB139 LSB 03 39 33.0 -33 11 38           ~ 1 0
181 [VPS2022] FDSLSB168 LSB 03 39 34.4 -34 05 24           ~ 1 0
182 [VPS2022] FDSLSB224 LSB 03 39 35.9 -35 17 53           ~ 1 0
183 [VPS2022] FDSLSB152 LSB 03 39 42.6 -34 16 35           ~ 1 0
184 [VPS2022] FDSLSB138 LSB 03 39 43.8 -33 46 36           ~ 1 0
185 [VPS2022] FDSLSB142 LSB 03 39 45.5 -33 09 53           ~ 1 0
186 [VPL2017] FDS10 LSB3 LSB 03 39 47 -34 41.2           ~ 3 0
187 NGFS J033951-360045 LSB 03 39 51.164 -36 00 44.78           ~ 6 0
188 NGFS J033956-353721 LSB 03 39 56.422 -35 37 20.51           ~ 9 1
189 NGFS J034003-352754 LSB 03 40 03.118 -35 27 54.26           ~ 9 0
190 NGFS J034004-350422 LSB 03 40 04.492 -35 04 21.71           ~ 4 0
191 NGFS J034012-351720 LSB 03 40 12.491 -35 17 19.60           ~ 8 0
192 NGFS J034015-363648 LSB 03 40 15 -36 36.8           ~ 4 0
193 NGFS J034018-360332 LSB 03 40 18.064 -36 03 31.96           ~ 5 0
194 NGFS J034019-350815 LSB 03 40 18.576 -35 08 15.02           ~ 8 0
195 [VPS2022] FDSLSB261 LSB 03 40 20.7 -36 44 59           ~ 1 0
196 NGFS J034028-344710 LSB 03 40 28.341 -34 47 09.86           ~ 6 0
197 NGFS J034033-363448 LSB 03 40 33 -36 34.8           ~ 4 0
198 [VPS2022] FDSLSB262 LSB 03 40 33.5 -36 33 17           ~ 1 0
199 [VPS2022] FDSLSB137 LSB 03 40 36.1 -33 48 16           ~ 1 0
200 [VPS2022] FDSLSB165 LSB 03 40 42.0 -34 07 15           ~ 1 0
201 NGFS J034045-353007 LSB 03 40 45.336 -35 30 07.20           ~ 4 0
202 NGFS J034050-352318 LSB 03 40 49.630 -35 23 18.38           ~ 6 0
203 [VPS2022] FDSLSB214 LSB 03 40 51.2 -35 08 53           ~ 1 0
204 [VPL2017] FDS10 LSB21 LSB 03 40 54 -34 17.3           ~ 2 0
205 NGFS J034103-344144 LSB 03 41 03.17 -34 41 42.7           ~ 6 0
206 [VPS2022] FDSLSB12 LSB 03 41 07.8 -35 24 45           ~ 1 0
207 NGFS J034109-331717 LSB 03 41 09.16 -33 17 16.7           ~ 4 0
208 NGFS J034112-360409 LSB 03 41 11.906 -36 04 09.46           ~ 5 0
209 NGFS J034115-352703 LSB 03 41 14.685 -35 27 03.41           ~ 4 0
210 NGFS J034123-355348 LSB 03 41 22.845 -35 53 47.96           ~ 4 0
211 NGFS J034126-352247 LSB 03 41 26.375 -35 22 46.50           ~ 5 0
212 NGFS J034127-345500 LSB 03 41 26.895 -34 54 59.70           ~ 4 0
213 [VPS2022] FDSLSB119 LSB 03 41 34.9 -34 19 33           ~ 1 0
214 [VPS2022] FDSLSB127 LSB 03 41 39.9 -34 19 20           ~ 1 0
215 NGFS J034147-361330 LSB 03 41 47.32 -36 13 29.5           ~ 2 0
216 NGFS J034201-345530 LSB 03 42 01.20 -34 55 30.1           ~ 2 0
217 [VPS2022] FDSLSB113 LSB 03 42 07.1 -34 33 53           ~ 1 0
218 NGFS J034207-361349 LSB 03 42 07.27 -36 13 49.4           ~ 2 0
219 [VPS2022] FDSLSB65 LSB 03 42 09.0 -33 40 57           ~ 1 0
220 LEDA 74930 LSB 03 42 11.170 -35 26 35.31   19.2       ~ 15 1
221 NGFS J034215-360745 LSB 03 42 15.09 -36 07 45.0           ~ 2 0
222 [VPS2022] FDSLSB34 LSB 03 42 21.4 -36 22 12           ~ 1 0
223 [VPS2022] FDSLSB116 LSB 03 42 25.9 -34 20 06           ~ 1 0
224 [VPS2022] FDSLSB28 LSB 03 42 28.2 -36 22 35           ~ 1 0
225 NGFS J034231-350129 LSB 03 42 31.42 -35 01 29.2           ~ 2 0
226 [VPS2022] FDSLSB67 LSB 03 42 36.9 -33 16 34           ~ 1 0
227 [VPS2022] FDSLSB114 LSB 03 42 41.2 -34 40 48           ~ 1 0
228 [VPS2022] FDSLSB130 LSB 03 42 44.7 -34 35 44           ~ 1 0
229 [VPS2022] FDSLSB1 LSB 03 42 45.3 -35 28 19           ~ 1 0
230 NGFS J034247-352323 LSB 03 42 47.276 -35 23 22.95           ~ 4 0
231 [VPS2022] FDSLSB31 LSB 03 42 51.6 -36 55 21           ~ 1 0
232 [VPS2022] FDSLSB124 LSB 03 42 55.9 -34 13 31           ~ 1 0
233 NGFS J034301-364453 LSB 03 43 01.07 -36 44 52.5           ~ 2 0
234 NGFS J034302-351940 LSB 03 43 01.98 -35 19 39.7           ~ 4 0
235 [VPS2022] FDSLSB30 LSB 03 43 08.2 -36 55 12           ~ 1 0
236 [VPS2022] FDSLSB132 LSB 03 43 20.6 -34 12 39           ~ 1 0
237 NGFS J034326-351344 LSB 03 43 25.75 -35 13 44.1           ~ 2 0
238 NGFS J034326-363427 LSB 03 43 26.19 -36 34 26.6           ~ 2 0
239 NGFS J034327-341441 LSB 03 43 26.70 -34 14 41.2           ~ 2 0
240 [VPS2022] FDSLSB11 LSB 03 43 26.7 -35 29 52           ~ 1 0
241 NGFS J034338-344636 LSB 03 43 37.53 -34 46 36.3           ~ 4 0
242 NGFS J034343-364144 LSB 03 43 42.75 -36 41 43.9           ~ 2 0
243 NGFS J034352-364928 LSB 03 43 51.89 -36 49 28.2           ~ 2 0
244 NGFS J034356-354948 LSB 03 43 56.43 -35 49 48.4           ~ 3 0
245 [VPS2022] FDSLSB3 LSB 03 44 08.8 -35 08 40           ~ 1 0
246 NGFS J034423-343722 LSB 03 44 22.86 -34 37 21.9           ~ 2 0
247 [VPS2022] FDSLSB17 LSB 03 44 34.3 -35 10 54           ~ 1 0
248 NGFS J034445-351612 LSB 03 44 45.01 -35 16 11.5           ~ 2 0
249 [VPS2022] FDSLSB131 LSB 03 44 49.3 -34 31 53           ~ 1 0
250 NGFS J034450-353208 LSB 03 44 49.80 -35 32 08.0           ~ 3 0
251 NGFS J034451-354718 LSB 03 44 50.86 -35 47 17.6           ~ 2 0
252 NGFS J034455-335242 LSB 03 44 54.63 -33 52 41.5           ~ 2 0
253 [VPS2022] FDSLSB133 LSB 03 44 56.0 -34 17 47           ~ 1 0
254 NGFS J034501-344437 LSB 03 45 00.49 -34 44 36.6           ~ 2 0
255 [VPS2022] FDSLSB123 LSB 03 45 13.7 -34 33 50           ~ 1 0
256 [VPS2022] FDSLSB9 LSB 03 45 15.8 -35 16 16           ~ 1 0
257 NGFS J034538-365235 LSB 03 45 38.29 -36 52 34.7           ~ 4 0
258 [VPS2022] FDSLSB120 LSB 03 45 41.4 -33 59 46           ~ 1 0
259 NGFS J034549-345255 LSB 03 45 48.96 -34 52 55.3           ~ 2 0
260 [VPS2022] FDSLSB115 LSB 03 45 49.3 -34 25 57           ~ 1 0
261 [VPS2022] FDSLSB106 LSB 03 45 55.1 -37 10 52           ~ 1 0
262 [VPS2022] FDSLSB210 LSB 03 46 11.0 -34 21 10           ~ 1 0
263 [VPS2022] FDSLSB208 LSB 03 46 43.9 -34 23 40           ~ 1 0
264 [VPS2022] FDSLSB207 LSB 03 46 49.1 -34 46 46           ~ 1 0
265 [VPS2022] FDSLSB105 LSB 03 47 15.0 -37 21 54           ~ 1 0
266 LEDA 75002 LSB 03 48 09.6 -37 31 26   17.4       ~ 9 0
267 [VPS2022] FDSLSB69 LSB 03 48 11.5 -35 11 47           ~ 1 0
268 [VPS2022] FDSLSB104 LSB 03 49 34.0 -37 29 41           ~ 1 0
269 [VPS2022] FDSLSB209 LSB 03 50 36.6 -34 53 59           ~ 1 0
270 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
271 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
272 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
273 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
274 NGC 4565 Sy2 12 36 20.804 +25 59 14.61   13.61 12.43     ~ 991 0
275 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2
276 NGC 4631 GiC 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 1154 3
277 ACO 3526 ClG 12 48 49.2 -41 18 17           ~ 1154 2
278 NAME Cen A Group GrG 13 20 33.9 -44 58 51           ~ 274 0
279 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
280 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
281 NAME Local Group GrG ~ ~           ~ 9325 0

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