2025ApJ...991...63S

Query : 2025ApJ...991...63S

2025ApJ...991...63S - Astrophys. J., 991, 63 (2025/September-3)

Can Fractal Dimension Distinguish between Grand-design and Flocculent Spiral Arms?

SAHA B., DUTTA S. and BANERJEE A.

Abstract (from CDS):

About two-thirds of disk galaxies host spiral arms, ranging from well-delineated grand-design spirals to fragmented flocculent spiral galaxies. We introduce fractal dimension DB as a nonparametric measure to distinguish between grand-designs and flocculents. We calculate the DB of 197 grand-designs and 322 flocculents from Sloan Digital Sky Survey (SDSS) DR18, using the samples of R. J. Buta et al. () and S. Sarkar et al. (). Our calculated median values of DB are $1.2{9}_{-0.04}^{+0.06}$ and $1.3{8}_{-0.06}^{+0.05}$ for the grand-designs and flocculents, respectively. In addition, a Kolmogorov-Smirnov (K-S) test rejects the null hypothesis that these distributions are drawn from the same population. Finally, using a random forest model, we compare the effectiveness of DB in classifying spiral arm morphology with that of five other parameters: the total atomic hydrogen H I mass, MHI; the ratio of atomic hydrogen mass to blue luminosity, MHI/LB; concentration index, Ci; clumpiness, S; and arm contrast, C. Our results indicate that DB has the highest feature index (30.8%), followed by Ci (26.0%) and MHI (21.0%). In fact, C-the metric routinely used to distinguish between the spiral morphologies-has a feature importance of 8.3%. Further, DB for grand-designs is found to anticorrelate with the central velocity dispersion with a correlation coefficient of -0.3 and p ≪ 0.05. The high value of central velocity dispersion indicates a central Q-barrier, which favors the formation of grand-designs according to the density wave theory. Thus, the fractal dimension serves as a robust metric to distinguish between spiral morphologies and also links to the formation mechanism of the spiral features.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Extragalactic astronomy

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 214

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Number of rows : 214
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 MCG-03-01-027 AG? 00 18 48.32 -19 00 27.8   14.91   14.25 14.4 ~ 38 0
2 NGC 428 AGN 01 12 55.709 +00 58 53.69   12.1   12.0 12.1 ~ 247 0
3 NGC 450 H2G 01 15 30.4565036568 -00 51 39.125259576   13.4   13.3 13.2 ~ 240 0
4 NGC 718 GiC 01 53 13.2842245224 +04 11 44.843164296   12.52 11.67 11.10 10.29 ~ 165 0
5 Z 482-61 LSB 02 03 37.495 +24 04 31.89   14.1       ~ 84 0
6 Z 388-11 LSB 02 24 24.7899528672 -02 09 44.324915904   13.4   13.4 13.3 ~ 85 0
7 NGC 941 EmG 02 28 27.847 -01 09 05.61   12.8   13.0 12.9 ~ 158 0
8 NGC 991 LSB 02 35 32.6841762360 -07 09 15.862909536   12.36   12.7 12.6 ~ 166 1
9 Z 388-58 LSB 02 36 00.9711009024 +00 25 12.699084072   14.0   13.7 14.2 ~ 71 0
10 NGC 1022 GiG 02 38 32.703 -06 40 38.60 12.33 12.09 11.34     ~ 213 1
11 NGC 1051 LSB 02 41 02.4963574872 -06 56 09.116016540   13.0   13.2 13.0 ~ 60 1
12 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
13 NGC 1087 H2G 02 46 25.1550134904 -00 29 55.457857644   11.5   11.4 11.5 ~ 379 0
14 Z 389-57 LSB 02 58 21.4940052552 -02 02 30.845648508   14.6       ~ 63 0
15 MCG-01-08-024 LSB 02 58 24.279 -04 17 43.44   13.7   12.87 13.7 ~ 41 0
16 NGC 1299 EmG 03 20 09.6888266184 -06 15 43.319030184   13.85   13.7 13.2 ~ 74 1
17 NGC 2543 GiP 08 12 57.955 +36 15 16.23   12.70       ~ 182 1
18 NGC 2537 H2G 08 13 14.643 +45 59 23.25 12.18 12.50 11.69 11.66   ~ 314 2
19 NGC 2541 GiG 08 14 40.1160678912 +49 03 42.021679932 12.03 12.26 11.80     ~ 333 1
20 NGC 2552 EmG 08 19 20.5355420472 +50 00 34.590204468 13.44 13.00 12.56     ~ 284 1
21 Z 237-13 G 08 43 21.8462696016 +45 44 09.601368324   15.1       ~ 71 0
22 Z 180-14 Q? 08 50 11.8098484512 +35 04 35.224755636   13.6       ~ 68 0
23 NGC 2681 LIN 08 53 32.7183058512 +51 18 49.159212120 11.40 11.09 10.29     ~ 332 1
24 NGC 2684 GiG 08 54 54.0449415936 +49 09 37.459659996   13.4       ~ 54 0
25 NGC 2701 AG? 08 59 05.7548164296 +53 46 17.613711228   12.3       ~ 112 0
26 NGC 2710 AG? 08 59 48.3670133496 +55 42 22.674325032   13.66       ~ 75 1
27 NGC 2743 GiG 09 04 54.001 +25 00 14.59   14.3       ~ 65 0
28 NGC 2780 GiP 09 12 44.3905229280 +34 55 31.725869052   14.2       ~ 94 0
29 NGC 2854 GiG 09 24 03.15673 +49 12 15.6710   13.82       ~ 109 2
30 NGC 2856 GiG 09 24 16.0155478176 +49 14 57.076425384   14.10       ~ 92 2
31 Z 239-23 AG? 09 41 52.189 +48 40 15.30   15.6       ~ 28 0
32 NGC 2964 H2G 09 42 54.251 +31 50 49.97   12.0       ~ 292 1
33 NGC 3020 GiP 09 50 06.599 +12 48 48.96   13.2       ~ 101 0
34 NGC 3049 EmG 09 54 49.651 +09 16 17.90   13.04       ~ 346 1
35 NGC 3057 LSB 10 05 39.306 +80 17 08.40   14.2       ~ 102 0
36 Z 153-24 AG? 10 09 31.600 +30 09 06.21   15.5       ~ 59 0
37 NGC 3153 AG? 10 12 50.5015939440 +12 39 59.338036584   13.6       ~ 83 0
38 NGC 3177 SyG 10 16 34.1454628296 +21 07 23.000346984   12.8       ~ 155 1
39 NGC 3185 Sy2 10 17 38.5650471192 +21 41 17.573817228   12.99 12.17 12.37   ~ 308 1
40 NGC 3213 GiG 10 21 17.3501124672 +19 39 06.335892720   14.3       ~ 61 0
41 NGC 3206 AG? 10 21 47.582 +56 55 49.47   12.7       ~ 110 0
42 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1807 2
43 NGC 3225 EmG 10 25 09.9229627704 +58 08 59.939877408   13.30       ~ 84 1
44 Z 212-19 GiP 10 31 14.180 +43 08 14.41   14.7       ~ 50 0
45 NGC 3274 EmG 10 32 17.2253817864 +27 40 07.165226244   13.30   12.77   ~ 261 0
46 Z 266-61 LSB 10 34 45.955 +50 46 05.47   15.7       ~ 48 0
47 NGC 3299 GiG 10 36 23.861 +12 42 27.10   13.60   12.64   ~ 94 0
48 Z 65-89 GiP 10 42 48.4745560080 +13 27 35.415343152   13.8       ~ 72 0
49 NGC 3346 EmG 10 43 38.9309584368 +14 52 18.437883960   12.80       ~ 192 0
50 NGC 3381 GiG 10 48 24.7990862064 +34 42 41.068596852   12.8       ~ 180 0
51 NGC 3389 GiG 10 48 27.9084984144 +12 31 59.659616244   12.0       ~ 244 2
52 IC 2604 GiP 10 49 24.987 +32 46 21.72   15.0       ~ 66 0
53 Z 155-22 AG? 10 49 58.931 +31 54 34.19   15.7       ~ 36 0
54 Z 267-22 AG? 10 52 02.822 +55 36 04.24   15.3       ~ 41 0
55 NGC 3433 AG? 10 52 03.827 +10 08 53.66   13.6       ~ 107 0
56 NGC 3455 GiP 10 54 31.0921117824 +17 17 04.985473704   13.1       ~ 171 0
57 NGC 3445 GiP 10 54 35.5131399552 +56 59 26.919652956 12.61 12.90 12.55     ~ 139 1
58 NGC 3488 AG? 11 01 23.595 +57 40 39.88   13.7       ~ 88 0
59 NGC 3504 LIN 11 03 11.19147 +27 58 20.7660   13.48 12.93     ~ 545 2
60 NGC 3507 AGN 11 03 25.3619733360 +18 08 07.607343732   11.4       ~ 211 0
61 Z 267-41 AG? 11 06 54.697 +51 12 12.16   14.20       ~ 81 0
62 Z 291-40 AG? 11 13 20.743 +59 54 30.01   14.6       ~ 48 0
63 NGC 3583 GiG 11 14 10.979 +48 19 06.16   11.6       ~ 220 1
64 Z 268-16 GiP 11 17 46.5044324592 +51 28 35.414517828   13.7       ~ 70 0
65 Z 96-26 GiP 11 18 17.238 +18 50 49.00   13.6       ~ 78 0
66 NGC 3626 GiG 11 20 03.8069651160 +18 21 24.543304164   11.2       ~ 282 0
67 NGC 3629 GiC 11 20 31.7958505056 +26 57 48.281033484   12.9       ~ 104 0
68 NGC 3659 LSB 11 23 45.5379279312 +17 49 06.928386240   12.7       ~ 120 0
69 NGC 3664 GiP 11 24 24.258 +03 19 29.95   13.6       ~ 129 0
70 NGC 3689 GiC 11 28 11.0180259864 +25 39 40.104503496   12.9       ~ 89 1
71 NGC 3718 Sy2 11 32 34.8571790688 +53 04 04.520222040   11.35 10.61     ~ 408 1
72 Z 12-22 AG? 11 33 45.311 -03 26 13.21   14.938   16.705 14.4 ~ 45 0
73 NGC 3755 GiG 11 36 33.3670184712 +36 24 36.940718628   13.9       ~ 111 0
74 NGC 3782 GiG 11 39 20.680 +46 30 48.20   13.1       ~ 115 0
75 NGC 3795A AG? 11 39 21.3442791864 +58 16 06.980315664   14.2       ~ 67 0
76 NGC 3804 LSB 11 40 54.2302328040 +56 12 07.479490968   13.8       ~ 110 1
77 NGC 3846A LSB 11 44 14.8175213160 +55 02 05.800948656   14.2       ~ 90 0
78 Z 242-77 AG? 11 44 24.918 +48 50 07.84   15.5       ~ 43 0
79 NGC 3876 AG? 11 45 26.6611191144 +09 09 38.454657552   13.40       ~ 58 0
80 NGC 3850 GiC 11 45 35.6792908103 +55 53 12.850289447   14.4       ~ 78 0
81 NGC 3913 AG? 11 50 38.9407040280 +55 21 13.894641396   14.2       ~ 169 0
82 NGC 3924 AG? 11 52 39.1580744976 +50 02 15.978510276   15.7       ~ 45 0
83 NGC 3949 GiC 11 53 41.7311041896 +47 51 31.401451476   10.9       ~ 351 1
84 Z 13-4 EmG 11 55 36.866 +01 14 14.43   13.623 13.011 12.508 11.890 ~ 123 0
85 Z 157-55 AG? 11 55 39.7060218792 +31 31 06.535928784   15.7       ~ 138 0
86 NGC 3982 Sy2 11 56 28.1445516072 +55 07 30.859586652   12.20 11.70 11.18   ~ 588 1
87 NGC 3985 GiG 11 56 42.1288367760 +48 20 03.129462132   13.0       ~ 122 0
88 Z 243-32 EmG 11 57 17.3777198280 +49 17 00.669514488   14.2       ~ 140 0
89 IC 750 AGN 11 58 52.22547 +42 43 20.6540   12.7 12.17     ~ 190 1
90 NGC 4020 GiG 11 58 56.935 +30 24 49.05   13.2       ~ 115 0
91 NGC 4032 EmG 12 00 32.8335960456 +20 04 25.964376132   12.7       ~ 114 0
92 NGC 4037 EmG 12 01 23.6605207728 +13 24 03.710175552   13.8       ~ 133 0
93 NGC 4108 GiP 12 06 44.5541959920 +67 09 47.278598328   13.04       ~ 81 1
94 NGC 4108B GiP 12 07 11.437 +67 14 06.60   14.29       ~ 53 1
95 NGC 4136 GiG 12 09 17.7035859024 +29 55 39.419783832   11.69       ~ 244 1
96 Z 98-69 GiC 12 09 19.779 +18 59 50.70   15.5       ~ 48 0
97 NGC 4142 GiC 12 09 30.1608521208 +53 06 17.156506896   14.3       ~ 79 0
98 NGC 4141 AG? 12 09 47.3108897640 +58 50 57.253147188   14.5       ~ 86 0
99 NGC 4165 GiP 12 12 11.8004144880 +13 14 47.411409372 14.59 14.38 13.54     ~ 136 2
100 IC 769 GiG 12 12 32.3204996040 +12 07 25.674097152   14.1       ~ 153 0
101 NGC 4234 GiG 12 17 09.147 +03 40 59.24   13.4       ~ 131 0
102 NGC 4223 Sy2 12 17 25.8171275952 +06 41 24.382417668   13.6       ~ 120 0
103 NGC 4241 GiG 12 17 59.9038110672 +06 39 15.053590548   14.4       ~ 123 0
104 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
105 NGC 4276 GiG 12 20 07.4933991888 +07 41 30.735209796   14.1       ~ 128 0
106 NGC 4288 GiG 12 20 38.119 +46 17 27.67   13.6       ~ 187 0
107 NGC 4314 LIN 12 22 32.0223000912 +29 53 43.814812200 11.72 11.43 10.58     ~ 494 1
108 NGC 4353 GiG 12 24 00.255 +07 47 06.64   14.6       ~ 93 0
109 NGC 4384 EmG 12 25 12.012 +54 30 22.07   13.5       ~ 135 1
110 NGC 4376 GiG 12 25 18.0159139968 +05 44 28.133108988   13.9       ~ 136 0
111 NGC 4378 Sy2 12 25 18.1024266072 +04 55 30.485595360   14.51 13.49     ~ 251 0
112 NGC 4385 AGN 12 25 42.8099950872 +00 34 21.278141652   14.63 14.12 13.1 12.8 ~ 285 0
113 NGC 4390 GiG 12 25 50.6659863456 +10 27 32.509985148   13.7       ~ 178 0
114 NGC 4413 GiP 12 26 32.2311385872 +12 36 38.426455080   13.6 12.25     ~ 252 1
115 NGC 4412 Sy2 12 26 36.0823099632 +03 57 52.911389772   13.2       ~ 159 0
116 NGC 4420 GiG 12 26 58.4368542672 +02 29 39.725748780   12.7       ~ 190 0
117 Z 70-108 GiC 12 28 18.772 +08 43 46.08   15.0       ~ 118 0
118 NGC 4450 LIN 12 28 29.5910654016 +17 05 05.976112020   10.90 10.08     ~ 587 2
119 NGC 4470 H2G 12 29 37.8066943368 +07 49 27.284422224   12.9       ~ 257 0
120 IC 797 GiC 12 31 54.752 +15 07 26.11   13.9       ~ 157 0
121 NGC 4502 GiP 12 32 03.354 +16 41 15.75   14.8       ~ 116 0
122 Z 216-10 LSB 12 32 26.893 +42 42 14.84   13.7       ~ 130 0
123 NGC 4519 GiG 12 33 30.278 +08 39 16.06   12.8       ~ 295 0
124 NGC 4525 LSB 12 33 51.1345197048 +30 16 38.774676108   13.0       ~ 129 0
125 IC 800 LSB 12 33 56.715 +15 21 16.35   14.3       ~ 153 0
126 NGC 4534 EmG 12 34 05.412 +35 31 06.07   13.20       ~ 117 0
127 NGC 4531 GiG 12 34 15.8672289240 +13 04 31.092418884   12.42       ~ 156 1
128 NGC 4561 GiG 12 36 08.137 +19 19 21.32   12.7       ~ 211 0
129 NGC 4571 GiC 12 36 56.3722998960 +14 13 02.296534836   13.6       ~ 368 1
130 M 58 Sy2 12 37 43.59747 +11 49 05.1240 10.80 10.48 9.66     ~ 1140 2
131 NGC 4595 GiG 12 39 51.9135061584 +15 17 51.942944760   12.8       ~ 215 0
132 NGC 4618 GiP 12 41 32.8976471760 +41 09 03.185175528 11.03 11.22 10.78     ~ 344 2
133 NGC 4630 H2G 12 42 31.146 +03 57 37.29   13.4       ~ 156 0
134 NGC 4635 EmG 12 42 39.2394453696 +19 56 43.029692988   13.597 12.995 12.571 12.082 ~ 129 0
135 MCG-01-33-001 LSB 12 44 03.5405930808 -05 40 33.952599156   12.6   12.7 12.7 ~ 63 0
136 NGC 4658 GiG 12 44 37.786 -10 04 59.23   13.1   12.12 12.5 ~ 94 0
137 NGC 4668 EmG 12 45 31.941 -00 32 02.36   13.5   12.714   ~ 138 0
138 MCG-01-33-003 GiG 12 45 41.3496635640 -06 04 10.835842548   12.7   12.8 12.6 ~ 54 0
139 NGC 4765 GiG 12 53 14.6103052812 +04 27 47.472430278   13.0       ~ 130 0
140 NGC 4795 GiP 12 55 02.8560769560 +08 03 55.922264208   13.5       ~ 105 0
141 Z 43-65 GiP 12 55 10.170 +07 55 05.52   15.5       ~ 47 0
142 Z 15-37 EmG 12 55 12.6507011952 +00 07 00.036186204   14.694   16.214 12.7 ~ 155 0
143 Z 43-70 EmG 12 55 49.0635382929 +04 00 50.139602077   15.0       ~ 61 0
144 Z 71-75 AG? 12 56 19.859 +10 11 19.68   15.3       ~ 56 0
145 Z 43-84 AG? 12 58 22.057 +02 47 32.23   15.0       ~ 65 0
146 NGC 4900 AGN 13 00 39.1193785512 +02 30 05.154593868   12.8       ~ 267 1
147 NGC 4904 Sy1 13 00 58.667 -00 01 38.83   13.2       ~ 169 0
148 Z 43-114 GiP 13 03 05.913 +03 59 30.81   15.2       ~ 52 0
149 NGC 4961 EmG 13 05 47.5766802528 +27 44 03.247625004   13.5       ~ 196 0
150 MCG-03-34-006 Sy2 13 10 23.7413919672 -21 41 03.046241112   14.90   13.62   ~ 46 0
151 MCG-04-32-003 EmG 13 19 51.9928032960 -22 16 43.964042880   13.18   12.06   ~ 73 0
152 NGC 5117 GiC 13 22 56.462 +28 18 59.51   14.597       ~ 86 0
153 NGC 5205 LIN 13 30 03.5953653072 +62 30 41.584939200   13.5       ~ 139 0
154 Z 102-4 EmG 13 31 52.5516205584 +20 00 03.802623984   13.80       ~ 99 0
155 Z 246-16 AG? 13 35 42.719 +45 55 46.62   15.3       ~ 39 0
156 Z 246-18 GiG 13 36 15.710 +46 12 00.07   15.2       ~ 48 0
157 NGC 5248 G 13 37 32.0145074088 +08 53 06.496982448   11.4       ~ 554 0
158 Z 271-56 LSB 13 40 39.910 +54 19 58.81   14.4       ~ 73 0
159 NGC 5300 EmG 13 48 16.0374180816 +03 57 03.109732632   13.7       ~ 151 0
160 Z 218-50 EmG 13 48 39.119 +43 24 44.73   14.6       ~ 100 0
161 NGC 5334 LSB 13 52 54.4632396696 -01 06 52.604999568   12.0   12.3 12.1 ~ 177 0
162 NGC 5346 LSB 13 53 01.919 +39 34 49.89   14.9   13.18   ~ 71 0
163 NGC 5347 Sy2 13 53 17.7984934128 +33 29 27.011618196   13.46 12.70     ~ 373 1
164 NGC 5339 GiG 13 54 00.2660800368 -07 55 50.387342088   16.5       ~ 93 0
165 Z 295-30 AG? 13 58 37.897 +60 47 48.53   14.7       ~ 50 0
166 NGC 5448 LIN 14 02 50.072 +49 10 21.53   12.7       ~ 177 0
167 NGC 5486 LSB 14 07 25.027 +55 06 10.52   14.0       ~ 106 1
168 NGC 5585 GiG 14 19 48.204 +56 43 44.58   11.73 11.216 11.12 10.123 ~ 455 0
169 NGC 5569 GiP 14 20 32.157 +03 58 59.45   13.90       ~ 77 1
170 Z 19-12 EmG 14 23 27.1688465352 +01 43 34.412659176   13.16   12.555 13.0 ~ 124 1
171 NGC 5600 GiG 14 23 49.541 +14 38 19.45   11.9       ~ 101 0
172 NGC 5624 AG? 14 26 35.598 +51 35 10.44   14.1       ~ 44 0
173 IC 1014 LSB 14 28 18.4179814344 +13 46 48.801096156   14.1       ~ 73 0
174 Z 19-44 GiG 14 29 34.5926526984 -00 01 05.660319828   13.8   14.0 14.0 ~ 105 0
175 NGC 5667 GiG 14 30 22.888 +59 28 10.84   13.1       ~ 74 0
176 NGC 5645 GiG 14 30 39.3607130040 +07 16 30.307322856   12.8       ~ 136 0
177 NGC 5661 GiP 14 31 57.400 +06 15 01.70   14.2       ~ 76 0
178 NGC 5678 SyG 14 32 05.5700264952 +57 55 17.155392060   12.10       ~ 240 1
179 NGC 5668 AG? 14 33 24.3419973936 +04 27 01.650790800   12.7       ~ 226 0
180 NGC 5713 GiG 14 40 11.528 -00 17 21.16 11.88 11.84 11.20     ~ 421 2
181 Z 220-62 EmG 14 51 59.806 +43 43 15.15   14.4       ~ 47 0
182 IC 1066 GiP 14 53 02.8555019400 +03 17 45.653096220   14.2       ~ 82 0
183 NGC 5774 GiP 14 53 42.46224 +03 34 56.9532   13.9 12.94     ~ 168 1
184 NGC 5789 EmG 14 56 35.3070472656 +30 14 04.558215300   13.9       ~ 69 0
185 NGC 5798 EmG 14 57 37.965 +29 58 06.58   13.5       ~ 78 0
186 Z 20-48 GiG 15 02 03.534 +01 50 28.01   14.61   12.93   ~ 65 1
187 NGC 5850 LIN 15 07 07.6828131840 +01 32 39.513281352   11.5   10.79 11.1 ~ 330 1
188 NGC 5899 Sy2 15 15 03.252 +42 02 59.47   14.19 13.21     ~ 219 0
189 NGC 5915 GiP 15 21 33.076 -13 05 30.22   13.1   12.32 12.7 ~ 117 0
190 NGC 5949 AG? 15 28 00.6695692032 +64 45 47.413223532   12.70       ~ 152 0
191 MCG+04-37-002 LSB 15 30 47.294 +23 03 57.92   17       ~ 49 0
192 NGC 5950 AG? 15 31 30.824 +40 25 48.52   14.8       ~ 66 0
193 IC 1125 EmG 15 33 05.5999846104 -01 37 41.827354968   13.8   13.9 13.7 ~ 87 0
194 NGC 5958 GiG 15 34 49.1365851408 +28 39 18.883906020   13.2       ~ 59 0
195 NGC 5957 Sy2 15 35 23.2175160360 +12 02 51.281778048   13.3       ~ 143 0
196 Z 222-36 LSB 15 36 44.997 +44 14 12.58   15.5       ~ 40 0
197 Z 136-70 AG? 15 45 44.491 +20 33 38.51   14.5       ~ 56 0
198 IC 1151 AG? 15 58 32.3414987472 +17 26 29.272859340   13.4       ~ 147 0
199 Z 23-27 AG? 16 14 32.95 +00 49 17.5   14.0   14.2 14.8 ~ 46 0
200 NGC 6155 EmG 16 26 08.3352615552 +48 22 00.410482092   13.20       ~ 125 1
201 Z 224-68 LIN 16 31 07.548 +43 20 52.95   14.550 14.045 13.686 13.193 ~ 69 0
202 NGC 6181 H2G 16 32 20.96927 +19 49 35.7710   12.7       ~ 258 1
203 Z 168-21 SBG 16 33 47.1783414768 +28 59 01.521191184   13.30 13.96     ~ 140 1
204 NGC 6267 GiG 16 58 08.6587695744 +22 59 06.394263792   14.0       ~ 64 0
205 IC 1251 GiP 17 10 13.228 +72 24 38.65   14.23       ~ 55 1
206 Z 339-35 LSB 17 14 38.6910864936 +72 23 55.041974880   15.00       ~ 52 1
207 MCG+10-25-024 AG? 17 24 46.402 +58 12 20.60   16.0       ~ 45 0
208 MCG-01-57-007 EmG 22 24 11.551 -03 28 58.41   14.5       ~ 42 0
209 MCG+00-57-007 AG? 22 41 33.871 +00 24 03.02   13.9   13.8 14.1 ~ 62 0
210 NGC 7479 Sy2 23 04 56.6432243448 +12 19 22.357387020 11.74 11.60 10.85 10.47 9.66 ~ 783 2
211 NGC 7625 AG? 23 20 30.132 +17 13 32.16 13.31 13.23 11.98 11.25   ~ 280 0
212 Z 455-20 EmG 23 34 53.2111620216 +18 13 36.854769108   14.7       ~ 90 0
213 NGC 7743 Sy2 23 44 21.1607807112 +09 56 02.970989664   14.19 13.28     ~ 334 0
214 NGC 7798 H2G 23 59 25.5026958146 +20 44 59.355521544 12.83 12.97 12.37     ~ 130 2

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