2024A&A...682A..36H

Query : 2024A&A...682A..36H

2024A&A...682A..36H - Astronomy and Astrophysics, volume 682A36 (2024/2-1)

Massive black holes in nuclear star clusters Investigation with SRG/eROSITA X-ray data.

HOYER N., ARCODIA R., BONOLI S., MERLONI A., NEUMAYER N., ZHANG Y. and COMPARAT J.

Abstract (from CDS):

Context. Massive black holes (MBHs) are typically hosted in the centres of massive galaxies but they appear to become rarer in lower mass galaxies, where nuclear star clusters (NSCs) frequently appear instead. The transition region, where both an MBH and NSC can co-exist, has been poorly studied to date and only a few dozen galaxies are known to host them. One avenue for detecting new galaxies with both an MBH and NSC is to look for accretion signatures of MBHs.
Aims. Here, we use new SRG/eROSITA all-sky survey eRASS:4 data to search for X-ray signatures of accreting MBHs in NSCs, while also investigating their combined occupation fraction.
Methods. We collected more than 200 galaxies containing an NSC, spanning multiple orders in terms of galaxy stellar mass and morphological type, within the footprint of the German eROSITA Consortium survey. We determined the expected X-ray contamination from binary stellar systems using the galaxy stellar mass and star formation rate as estimated from far-ultraviolet and mid-infrared emission.
Results. We find significant detections for 18 galaxies (∼8.3%), including one ultra-luminous X-ray source; however, only three galaxies (NGC 2903, 4212, and 4639) have X-ray luminosities that are higher than the expected value from X-ray binaries, indicative of the presence of an MBH. In addition, the X-ray luminosity of six galaxies (NGC 2903, 3384, 4321, 4365, 4639, and 4701) differs from previous studies and could indicate the presence of a variable active galactic nucleus. For NGC 4701 specifically, we find a variation of X-ray flux within the eRASS:4 data set. Stacking X-ray non-detected galaxies in the dwarf regime M*gal ≤ 109M⊙) results in luminosity upper limits of a few times 1038 erg s–1. The combined occupation fraction of accreting MBHs and NSCs becomes non-zero for galaxy masses above ∼ 107.5M⊙ and this result is slightly elevated as compared to the literature data.
Conclusions. Our data extend, for the first time, towards the dwarf elliptical galaxy regime and identify promising MBH candidates for higher resolution follow-up observations. At most galaxy masses (and with the exception of three cases), the X-ray constraints are consistent with the expected emission from binary systems or an Eddington fraction of at most 0.01%, assuming a black holes mass of 106.5M⊙. This work confirms the known complexities in similar-type of studies, while providing the appealing alternative of using X-ray survey data of in-depth observations of individual targets with higher resolution instruments.

Abstract Copyright: © The Authors 2024

Journal keyword(s): galaxies: nuclei - galaxies: star clusters: general - X-rays: galaxies

VizieR on-line data: <Available at CDS (J/A+A/682/A36): table1.dat>

Simbad objects: 244

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Number of rows : 244
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 Bol 23 GlC 00 41 01.151 +41 13 45.41 16.040 15.400 14.17 13.560 12.570 ~ 98 0
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 NGC 1336 GiG 03 26 32.1845365512 -35 42 48.662672184   13.12   11.95   ~ 150 0
4 Z 57-6 AG? 07 13 51.60 +10 31 19.0   14.9       ~ 105 0
5 Z 181-37 AG? 09 23 15.315 +34 44 03.98   15.7       ~ 40 0
6 Z 181-43 AG? 09 25 47.998 +34 16 37.54   15.7       ~ 61 0
7 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
8 UGC 5086 LSB 09 32 48.815 +21 27 56.25   18       ~ 43 0
9 NGC 3041 AGN 09 53 07.1439446784 +16 40 39.600454692   13.1       ~ 138 0
10 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
11 NGC 3274 EmG 10 32 17.2253817864 +27 40 07.165226244   13.30   12.77   ~ 261 0
12 NGC 3338 SyG 10 42 07.5363224928 +13 44 49.177468104   12.1       ~ 268 0
13 SMDG J1042343+120903 LSB 10 42 34.3 +12 09 03     16.5   16.1 ~ 19 0
14 Z 184-6 AG? 10 42 42.787 +34 26 57.39   13.31 13.09 12.84 12.85 ~ 173 0
15 NGC 3344 EmG 10 43 31.150 +24 55 19.99 10.38 10.54 9.86 9.71   ~ 434 1
16 NGC 3346 EmG 10 43 38.9309584368 +14 52 18.437883960   12.80       ~ 192 0
17 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 862 1
18 NGC 3377A GiP 10 47 22.4012897592 +14 04 16.697296020 14.17 14.31 13.61 13.51   ~ 150 1
19 MATLAS-753 LSB 10 47 40.6 +12 02 55     18.3   18.0 ~ 8 0
20 MATLAS-756 LSB 10 48 13.1 +11 58 06     18.8   18.4 ~ 11 0
21 NGC 3384 GiG 10 48 16.8855574392 +12 37 45.371165844   10.0       ~ 617 1
22 MATLAS-758 LSB 10 48 35.8 +13 03 35     17.8   17.5 ~ 10 0
23 MATLAS-771 LSB 10 49 25.9 +12 33 09     18.2   17.8 ~ 10 0
24 LEDA 166107 LSB 10 50 27.2 +12 21 35     16.5   16.0 ~ 23 0
25 NGC 3423 SyG 10 51 14.3245691976 +05 50 24.158965920   12.1       ~ 191 0
26 NGC 3455 GiP 10 54 31.0921117824 +17 17 04.985473704   13.1       ~ 171 0
27 NGC 3489 GiG 11 00 18.5483994744 +13 54 04.206202668 11.46 11.12 10.29     ~ 429 1
28 NGC 3593 GiG 11 14 36.9731893800 +12 49 05.497790664   11.8       ~ 376 2
29 NGC 3666 GiG 11 24 26.0692042488 +11 20 31.397824824   12.5       ~ 161 0
30 LEDA 2832100 GiC 11 58 44.097 +27 35 06.03           ~ 27 0
31 NGC 4062 EmG 12 04 03.8090248584 +31 53 44.489664636   11.90 11.21 10.62 10.03 ~ 283 0
32 LEDA 4310323 AG? 12 05 31.045 +31 04 34.15           ~ 12 0
33 SDSS J120534.25+281356.4 AG? 12 05 34.259 +28 13 56.41           ~ 14 0
34 IC 3021 GiG 12 09 54.572 +13 02 59.92   15.4       ~ 78 0
35 IC 3032 GiG 12 11 07.764 +14 16 30.17   15.3       ~ 89 0
36 IC 769 GiG 12 12 32.3204996040 +12 07 25.674097152   14.1       ~ 153 0
37 IC 3065 GiG 12 15 12.5592175920 +14 25 58.469336508   14.7       ~ 109 0
38 NGC 4204 GiC 12 15 14.359 +20 39 32.68   14.3       ~ 162 0
39 NGC 4212 H2G 12 15 39.3368219184 +13 54 05.388525900   11.9       ~ 328 0
40 Z 69-120 GiG 12 16 33.691 +13 01 52.48   15.2       ~ 78 0
41 NGC 4237 AGN 12 17 11.4198657984 +15 19 26.557164264   12.3       ~ 266 0
42 IC 3101 LSB 12 17 19.6485543456 +11 56 36.472097652   15.5       ~ 78 0
43 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 1004 2
44 IC 779 GiC 12 19 38.7338921616 +29 52 59.440787328   15.4       ~ 46 0
45 NGC 4267 GiG 12 19 45.2735790120 +12 47 53.704780368   12.4       ~ 256 0
46 NGC 4276 GiG 12 20 07.4933991888 +07 41 30.735209796   14.1       ~ 128 0
47 NGC 4299 GiC 12 21 40.548 +11 29 59.74   12.8       ~ 271 0
48 NGC 4309A GiP 12 22 14.7398629440 +07 10 01.648488468           ~ 70 0
49 Z 99-28 GiP 12 22 19.530 +14 45 38.11   15.2       ~ 141 0
50 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
51 NGC 4340 GiP 12 23 35.2816311336 +16 43 20.443217952   12.4       ~ 288 0
52 NGC 4352 GiG 12 24 05.0220445416 +11 13 05.086056576   14.0       ~ 174 0
53 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 871 0
54 IC 3292 GiG 12 24 48.3555488664 +18 11 42.410950008   15.5       ~ 90 0
55 IC 3298 GiC 12 25 03.801 +17 00 54.33   15.3       ~ 58 0
56 NGC 4379 GiG 12 25 14.7458757864 +15 36 26.755074576 13.05 12.63 11.72     ~ 239 1
57 NGC 4387 GiG 12 25 41.6768484264 +12 48 37.804615956 13.42 13.01 12.12   10.87 ~ 409 1
58 NGC 4393 GiG 12 25 51.3241046904 +27 33 38.847608496   13.8       ~ 86 0
59 IC 3328 GiP 12 25 57.9238048368 +10 03 13.552350912   14.9       ~ 172 0
60 NGC 4396 GiC 12 25 58.802 +15 40 17.28 12.94 13.06 12.58     ~ 207 1
61 LEDA 40679 GiC 12 26 22.6098 +12 47 11.020   21 17.18   16.40 ~ 35 0
62 LEDA 40686 G 12 26 23.637 +13 22 24.70     18.02   17.31 ~ 11 0
63 LEDA 40691 GiG 12 26 28.074 +12 55 14.01     19.02   18.02 ~ 10 0
64 LEDA 40707 GiC 12 26 33.2021330472 +12 44 34.700132004   16.2 15.10   13.80 ~ 50 0
65 LEDA 40718 LSB 12 26 36.331 +12 48 09.93   17.68 17.77   17.01 ~ 18 0
66 NGVS J122638.09+115330.7 LSB 12 26 38.0917 +11 53 30.651     19.7   19.08 ~ 8 0
67 LEDA 40721 LSB 12 26 38.242 +13 04 44.19           ~ 15 0
68 LEDA 40723 GiC 12 26 39.8074874064 +12 30 48.729151800   16 15.38   14.39 ~ 32 0
69 NGVS J122643.31+121744.0 G 12 26 43.3069428840 +12 17 44.067056028     18.47   17.64 ~ 8 0
70 IC 3349 GiG 12 26 47.0630055600 +12 27 14.345391348   15.3 13.98   12.95 ~ 90 0
71 NGC 4411B Sy2 12 26 47.2270744440 +08 53 04.479254880   14.4       ~ 190 0
72 LSBVCC 403 LSB 12 26 51.9932 +12 39 08.176           ~ 7 0
73 IC 3358 GiG 12 26 54.423 +11 39 48.84   14.28 13.52   12.30 ~ 79 1
74 IC 3363 GiG 12 27 03.303 +12 33 37.70   15.31 14.54   13.45 ~ 65 1
75 LEDA 40798 GiC 12 27 08.420 +13 20 08.76   17 16.31   15.20 ~ 20 0
76 LEDA 40805 G 12 27 11.2045 +12 06 52.350   17.65 17.64   16.98 ~ 12 0
77 LEDA 40806 AG? 12 27 11.243 +12 02 17.33   18.3 17.41   16.45 ~ 25 0
78 NGC 4425 GiG 12 27 13.3361738592 +12 44 05.190746352 13.12 12.73 11.83     ~ 198 1
79 NGVS J122716.78+123207.8 G 12 27 16.7810 +12 32 07.828     21.11   20.32 ~ 7 0
80 LEDA 40840 G 12 27 22.170 +12 04 07.36   17.58 17.35   16.39 ~ 20 0
81 LEDA 40841 GiC 12 27 23.493 +12 19 53.49   19 17.30   16.86 ~ 21 0
82 LEDA 40864 LSB 12 27 29.767 +12 15 06.68     18.55   17.72 ~ 13 0
83 LEDA 40872 AG? 12 27 31.995 +11 36 54.68   18       ~ 24 0
84 LEDA 40874 LSB 12 27 33.20 +11 31 54.1           ~ 7 0
85 LEDA 40890 LSB 12 27 39.251 +12 52 47.80   21 17.10   16.29 ~ 20 0
86 NGC 4435 GiG 12 27 40.503 +13 04 44.48 12.23 11.74 10.80     ~ 474 2
87 NGC 4436 GiP 12 27 41.2343736168 +12 18 57.193481304 14.20 13.91 12.98     ~ 138 1
88 NVSS B122510+131522 rG 12 27 44.5245 +12 59 01.260           ~ 19 0
89 NGC 4440 GiG 12 27 53.5662931608 +12 17 35.788966872   12.70 11.72     ~ 150 1
90 LEDA 40946 AG? 12 28 00.449 +11 56 59.20   18.1 17.38   16.48 ~ 27 0
91 [TT2002] Virgo 70 GiG 12 28 03.7368 +12 46 41.230           ~ 6 0
92 LEDA 40958 GiC 12 28 06.5217342168 +12 53 53.248758432   16.58 15.93   14.95 ~ 30 0
93 LEDA 40959 LSB 12 28 06.7705 +12 58 43.192     18.86   18.10 ~ 12 0
94 IC 794 GiG 12 28 08.6096744256 +12 05 35.874205512   14.07 13.44   12.39 ~ 121 1
95 LEDA 40966 GiG 12 28 10.273 +12 48 32.12   17.63 18.79   17.88 ~ 17 0
96 LEDA 40977 LSB 12 28 12.2400 +11 58 13.309   19.76 19.07   18.02 ~ 15 0
97 IC 3383 GiG 12 28 12.3076321056 +10 17 51.446913720   15.5 15.18     ~ 91 0
98 LEDA 40995 GiC 12 28 18.7272972408 +11 42 00.987629616   17 16.25   15.16 ~ 34 0
99 NGVS J122821.66+120804.0 G 12 28 21.6637 +12 08 04.040           ~ 4 0
100 LEDA 41007 GiC 12 28 23.678 +13 11 44.70   16 15.47   14.27 ~ 34 0
101 LEDA 41012 LSB 12 28 26.2589 +12 20 45.195   19.57 18.27   18.35 ~ 12 0
102 IC 3388 GiG 12 28 28.0533797328 +12 49 25.325894568   15.4 14.73   13.73 ~ 76 0
103 LEDA 41035 LSB 12 28 32.513 +11 44 40.97   21 16.98   16.15 ~ 26 0
104 IC 3393 GiG 12 28 41.7047406696 +12 54 57.265958916   14.85 14.24   13.19 ~ 117 1
105 LEDA 41059 LSB 12 28 42.654 +12 32 59.24   17 16.30   15.30 ~ 34 0
106 NGC 4452 GiG 12 28 43.2980346552 +11 45 18.201826692 13.27 12.87 11.98     ~ 215 1
107 LSBVCC 402 LSB 12 28 46.9182 +12 38 31.541   20.05 20   18.81 ~ 13 0
108 NGC 4458 GiP 12 28 57.5613938232 +13 14 30.946545276 13.27 12.93 12.07     ~ 429 2
109 LEDA 41099 G 12 28 57.681 +11 57 20.57     19.95   19.02 ~ 11 0
110 LEDA 41098 GiC 12 28 58.1374397568 +12 39 42.236467668   16.06 15.24   13.93 ~ 39 0
111 LSBVCC 093 LSB 12 28 59.1503 +12 02 30.384     20.28   18.97 ~ 12 0
112 [LLH2012] 54 LSB 12 28 59.4979 +11 55 23.424     19.55   18.74 ~ 8 0
113 LEDA 41102 GiC 12 28 59.814 +12 38 54.25   18 17.10   16.12 ~ 29 0
114 NGC 4461 GiP 12 29 03.010 +13 11 01.88 12.56 12.09 11.19     ~ 247 2
115 LEDA 41118 LSB 12 29 05.1336 +12 09 13.606   19.78 19.22   18.36 ~ 13 0
116 NGVS J122912.31+113111.9 G 12 29 12.3146 +11 31 11.889           ~ 4 0
117 LEDA 41136 GiC 12 29 14.938 +12 58 41.03   17 15.58   14.52 ~ 40 0
118 NGC 4464 GiG 12 29 21.2937802368 +08 09 23.807609316   13.5       ~ 242 0
119 LEDA 41167 LSB 12 29 28.677 +12 29 46.24   18 17.16   16.20 ~ 30 0
120 NGC 4467 GiG 12 29 30.2447376768 +07 59 34.273371336   15.2       ~ 187 0
121 LEDA 41180 AG? 12 29 34.9891966080 +08 03 28.781563608           ~ 91 0
122 LEDA 41197 LSB 12 29 39.051 +11 38 00.76   20       ~ 23 0
123 LEDA 41195 GiC 12 29 39.2416709208 +12 32 53.641361940   17 15.97   14.95 ~ 38 0
124 LEDA 41203 LSB 12 29 41.2835 +12 02 45.948   22 18.38   17.55 ~ 20 0
125 NGVS J122941.39+113419.3 G 12 29 41.3893 +11 34 19.309           ~ 5 0
126 LEDA 41209 GiC 12 29 44.078 +12 48 19.68     17.71   16.84 ~ 21 0
127 LEDA 41238 G 12 29 52.994 +11 57 44.30   19       ~ 15 0
128 NGC 4474 GiG 12 29 53.5396737408 +14 04 06.881708604   12.6       ~ 278 0
129 LEDA 41245 G 12 29 56.3276555304 +13 13 12.249649848     17.85   17.32 ~ 19 0
130 LEDA 41250 LSB 12 29 58.259 +13 16 20.82           ~ 9 0
131 NGC 4476 GiG 12 29 59.0772974472 +12 20 55.292203464 13.28 13.01 12.19     ~ 340 1
132 LEDA 41257 G 12 30 01.1472 +13 07 04.882     19.33   18.32 ~ 11 0
133 NGVS J123006.21+124118.4 LSB 12 30 06.2070 +12 41 18.362     18.94   18.19 ~ 8 0
134 NGVS J123007.86+122319.9 G 12 30 07.8644 +12 23 19.920     20.29   18.94 ~ 7 0
135 NGC 4482 GiG 12 30 10.3245430152 +10 46 46.088237784   14.2       ~ 182 0
136 LEDA 41273 GiC 12 30 10.887 +12 11 43.79   18 16.43   15.29 ~ 30 0
137 LEDA 41286 LSB 12 30 16.017 +13 18 27.13           ~ 23 0
138 NGC 4478 GiP 12 30 17.4160005576 +12 19 42.790577160 12.82 12.36 11.45   10.17 ~ 508 1
139 NGC 4479 GiG 12 30 18.3716396496 +13 34 39.522722196 13.73 13.40 12.44     ~ 197 2
140 NGC 4486B GiG 12 30 31.985 +12 29 24.85   14.5       ~ 428 0
141 SDSS J123032.19+125151.0 LSB 12 30 32.194 +12 51 51.04     20.41   19.46 ~ 9 0
142 NGVS J123040.41+123717.8 G 12 30 40.4117 +12 37 17.816     20.77   20.19 ~ 7 0
143 NGC 4483 GiG 12 30 40.6442816856 +09 00 56.391019596   13.4       ~ 179 0
144 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
145 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
146 LEDA 41362 GiC 12 30 50.591 +12 44 11.64   18.05 17.45   16.53 ~ 22 0
147 NGC 4486A GiG 12 30 57.7095721176 +12 16 13.316512872   11.2 11.59 12.02   ~ 242 1
148 LEDA 41391 G 12 31 01.1242262256 +07 43 23.517599880   16 16.59     ~ 24 0
149 LEDA 41411 LSB 12 31 10.4087654400 +13 05 50.472957444           ~ 19 0
150 IC 3443 GiC 12 31 15.7337529840 +12 19 54.408896940   16.15 14.95   13.74 ~ 75 0
151 LEDA 41431 G 12 31 18.872 +13 19 54.58           ~ 9 0
152 LEDA 41432 GiC 12 31 19.329 +12 44 17.50   17 15.87   14.82 ~ 36 0
153 IC 3442 GiG 12 31 20.1836306184 +14 06 54.669163572   15.4       ~ 109 0
154 LEDA 41454 LSB 12 31 31.688 +11 36 10.89   17.94       ~ 26 0
155 NGC 4497 GiG 12 31 32.5217419824 +11 37 28.966695744 13.44 13.19 12.47     ~ 107 1
156 LEDA 41458 GiC 12 31 33.351 +12 03 49.58   17     15.4 ~ 31 0
157 NGVS J123133.92+120403.2 G 12 31 33.9195 +12 04 03.239           ~ 4 0
158 NGVS J123138.75+114944.7 G 12 31 38.7515 +11 49 44.691           ~ 5 0
159 NGC 4496 GiP 12 31 39.2222392512 +03 56 21.641352828   11.71       ~ 376 0
160 NGC 4498 GiG 12 31 39.5627385744 +16 51 09.625381632   12.8       ~ 244 0
161 IC 3457 GiG 12 31 51.3438999336 +12 39 25.148930292   14.69 14.56   13.58 ~ 98 1
162 LEDA 41495 GiC 12 31 52.0049035536 +12 28 54.479630172   16.62 15.52   14.44 ~ 50 0
163 2MASS J12315289+1215589 G 12 31 52.8990925992 +12 15 59.041171656           ~ 52 0
164 NGVS J123153.09+131544.1 G 12 31 53.0852 +13 15 44.065           ~ 4 0
165 IC 3459 GiG 12 31 56.038 +12 10 26.10   14.83     13.4 ~ 57 1
166 LEDA 41508 LSB 12 31 56.377 +11 58 21.55   18     15.7 ~ 31 0
167 LEDA 41516 GiC 12 32 00.761 +12 37 13.10   17 16.39   15.20 ~ 36 0
168 IC 3466 GiG 12 32 05.684 +11 49 04.45   15.3       ~ 60 0
169 LEDA 41539 LSB 12 32 07.735 +12 26 02.59   21 17.49   16.43 ~ 27 0
170 LEDA 41541 AG? 12 32 09.311 +12 50 20.14   18       ~ 22 0
171 NGC 4506 GiG 12 32 10.5232013544 +13 25 10.824935016   13.63       ~ 123 1
172 LEDA 41545 GiC 12 32 11.351 +12 30 24.89   21 16.87   15.76 ~ 26 0
173 IC 3468 GiG 12 32 14.2119323256 +10 15 05.173970472   14.6       ~ 148 0
174 IC 3470 GiP 12 32 23.353 +11 15 47.56   15.0       ~ 125 0
175 IC 798 GiG 12 32 33.4026417888 +15 24 55.432700280   15.3       ~ 108 0
176 NGVS J123239.99+115343.7 G 12 32 39.9904 +11 53 43.651           ~ 4 0
177 NGC 4437 AGN 12 32 45.586 +00 06 54.14   11.1   11.1 10.6 ~ 307 0
178 NGVS J123250.56+120820.8 G 12 32 50.5615 +12 08 20.841           ~ 4 0
179 NGC 4515 GiG 12 33 04.9652329656 +16 15 55.889535096   13.3       ~ 157 0
180 NGVS J123305.99+113201.3 G 12 33 05.9889 +11 32 01.324           ~ 4 0
181 LEDA 41659 LSB 12 33 06.426 +13 18 10.98           ~ 13 0
182 NGVS J123307.52+121213.4 LSB 12 33 07.5179 +12 12 13.446   19.81     19.3 ~ 9 0
183 [PDK2018] VLSB7 LSB 12 33 10.1677 +12 05 09.936           ~ 6 0
184 IC 3487 GiG 12 33 13.601 +09 23 49.76   15.1       ~ 85 0
185 IC 3490 rG 12 33 13.902 +10 55 42.73   15.6       ~ 83 0
186 IC 3486 GiG 12 33 14.026 +12 51 27.77   15.3       ~ 60 1
187 NGC 4522 GiG 12 33 39.657 +09 10 29.54   13.6       ~ 396 0
188 SDSS J123340.31+124413.5 AG? 12 33 40.3089063048 +12 44 13.532030196           ~ 14 0
189 LEDA 41730 LSB 12 33 40.841 +12 34 16.49   17.16     16.6 ~ 18 0
190 NGVS J123344.70+114057.1 G 12 33 44.7048 +11 40 57.104           ~ 4 0
191 LEDA 41740 LSB 12 33 47.031 +11 46 54.00   18.75       ~ 14 0
192 LEDA 41744 GiC 12 33 48.6712769928 +12 46 48.069846552   19       ~ 29 0
193 NGVS J123349.57+130220.3 G 12 33 49.5699 +13 02 20.250           ~ 4 0
194 LSBVCC 016 LSB 12 33 51.1226 +12 57 30.347   19.41       ~ 8 0
195 LSBVCC 014 LSB 12 34 01.3920 +12 43 11.229   19.33     17.7 ~ 10 0
196 LEDA 41775 LSB 12 34 06.5601550713 +11 50 12.072169215   21       ~ 15 0
197 IC 3506 GiC 12 34 06.739 +12 44 29.75   16.67 15.93   14.1 ~ 99 0
198 NGVS J123407.83+114548.1 G 12 34 07.8274 +11 45 48.063           ~ 5 0
199 LEDA 41787 GiC 12 34 08.9775 +12 44 24.790   19.3     17.1 ~ 9 0
200 IC 3509 GiG 12 34 11.5324571232 +12 02 56.163023196   15.3       ~ 125 0
201 NGC 4540 GiG 12 34 50.8741239840 +15 33 06.116283900   12.5       ~ 220 1
202 NGC 4550 GiP 12 35 30.5913588048 +12 13 14.921166792 12.97 12.56 11.68     ~ 558 1
203 2MASX J12353723+1222554 GiP 12 35 37.2512550384 +12 22 55.234598772   15.41       ~ 103 0
204 NGC 4551 GiP 12 35 37.9542692328 +12 15 50.284593432 13.49 12.97 12.02     ~ 371 1
205 NGC 4559 H2G 12 35 57.6402869976 +27 57 35.859278160   10.46 10.01     ~ 667 1
206 LEDA 42046 AG? 12 36 24.7789709448 +10 23 04.828762356   16       ~ 84 0
207 NGC 4567 H2G 12 36 32.6979947472 +11 15 28.716262668 12.25 12.06 11.31     ~ 339 2
208 IC 3586 GiG 12 36 54.858 +12 31 12.49   15.3       ~ 114 0
209 NGC 4571 GiC 12 36 56.3722998960 +14 13 02.296534836   13.6       ~ 368 1
210 NGC 4578 GiG 12 37 30.5571349752 +09 33 18.241180344   12.9       ~ 297 0
211 IC 3602 GiG 12 38 07.097 +10 04 57.22   15.5       ~ 86 0
212 NGC 4595 GiG 12 39 51.9135061584 +15 17 51.942944760   12.8       ~ 215 0
213 IC 3633 GiG 12 40 11.2491451848 +09 53 46.054801392   15.4       ~ 82 0
214 IC 3635 GiG 12 40 13.334 +12 52 29.98   15.5       ~ 86 0
215 NGC 4600 GiG 12 40 22.9627113552 +03 07 03.939347640           ~ 97 1
216 IC 3652 GiG 12 40 58.5602846328 +11 11 04.080925212   15.1       ~ 127 0
217 IC 3653 GiG 12 41 15.7273825296 +11 23 13.997694300   14.7       ~ 122 0
218 NGC 4612 GiG 12 41 32.7539216616 +07 18 53.535354804   11.90       ~ 228 1
219 IC 3663 GiC 12 41 39.412 +12 14 50.63   15.65     14.0 ~ 81 0
220 Z 70-219 AG? 12 41 51.987 +09 24 10.20   15.3       ~ 82 0
221 IC 809 GiG 12 42 08.6673855720 +11 45 15.438923748   15.1       ~ 118 0
222 NGC 4623 GiG 12 42 10.6913697096 +07 40 37.130799216   13.24       ~ 210 1
223 NGC 4635 EmG 12 42 39.2394453696 +19 56 43.029692988   13.597 12.995 12.571 12.082 ~ 129 0
224 NGC 4634 GiG 12 42 40.986 +14 17 45.15   13.6       ~ 189 0
225 NGC 4638 GiP 12 42 47.4239240016 +11 26 32.970950556   12.2 11.23     ~ 295 1
226 NGC 4639 Sy1 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 642 0
227 NGC 4651 LIN 12 43 42.6376070448 +16 23 36.002649300   11.30 10.92 10.42 9.84 ~ 537 0
228 Z 71-21 AG? 12 44 11.982 +12 56 30.64   15.3       ~ 73 0
229 IC 3735 AG? 12 45 20.4211125864 +13 41 33.601364304   15.1       ~ 101 0
230 Z 43-23 GiG 12 46 45.71448 +05 57 19.2276   14.7       ~ 68 0
231 IC 3773 GiG 12 47 15.2968038432 +10 12 12.944157012   14.3       ~ 142 0
232 IC 3779 GiG 12 47 20.281 +12 09 59.58   15.5     13.3 ~ 88 0
233 NGC 4701 AGN 12 49 11.5931072112 +03 23 19.389227964   13.1       ~ 181 0
234 NGC 4754 GiP 12 52 17.563 +11 18 49.18   11.6       ~ 295 0
235 NGC 4762 LIN 12 52 56.049 +11 13 50.88   11.1       ~ 377 0
236 NGC 4771 EmG 12 53 21.273 +01 16 09.02   12.92   12.4 12.2 ~ 136 1
237 Z 15-37 EmG 12 55 12.6507011952 +00 07 00.036186204   14.694   16.214 12.7 ~ 155 0
238 Z 100-18 GiP 12 58 17.270 +14 33 26.07   14.9       ~ 79 0
239 NGC 4900 AGN 13 00 39.1193785512 +02 30 05.154593868   12.8       ~ 267 1
240 Z 102-4 EmG 13 31 52.5516205584 +20 00 03.802623984   13.80       ~ 99 0
241 NGC 5300 EmG 13 48 16.0374180816 +03 57 03.109732632   13.7       ~ 151 0
242 Z 19-12 EmG 14 23 27.1688465352 +01 43 34.412659176   13.16   12.555 13.0 ~ 124 1
243 NGC 5668 AG? 14 33 24.3419973936 +04 27 01.650790800   12.7       ~ 226 0
244 NGC 5774 GiP 14 53 42.46224 +03 34 56.9532   13.9 12.94     ~ 168 1

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