2009ApJ...706..599L


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.14CEST02:02:15

2009ApJ...706..599L - Astrophys. J., 706, 599-613 (2009/November-3)

Comparison of Hα and UV star formation rates in the local volume: systematic discrepancies for dwarf galaxies.

LEE J.C., GIL DE PAZ A., TREMONTI C., KENNICUTT R.C., SALIM S., BOTHWELL M., CALZETTI D., DALCANTON J., DALE D., ENGELBRACHT C., FUNES J.G., JOHNSON B., SAKAI S., SKILLMAN E., VAN ZEE L., WALTER F. and WEISZ D.

Abstract (from CDS):

Using a complete sample of ∼300 star-forming galaxies within 11 Mpc of the Milky Way, we evaluate the consistency between star formation rates (SFRs) inferred from the far ultraviolet (FUV) non-ionizing continuum and Hα nebular emission, assuming standard conversion recipes in which the SFR scales linearly with luminosity at a given wavelength. Our analysis probes SFRs over 5 orders of magnitude, down to ultra-low activities on the order of ∼10–4 M/yr. The data are drawn from the 11 Mpc Hα and Ultraviolet Galaxy Survey (11HUGS), which has obtained Hα fluxes from ground-based narrowband imaging, and UV fluxes from imaging with GALEX. For normal spiral galaxies (SFR ∼ 1 M/yr), our results are consistent with previous work which has shown that FUV SFRs tend to be lower than Hα SFRs before accounting for internal dust attenuation, but that there is relative consistency between the two tracers after proper corrections are applied. However, a puzzle is encountered at the faint end of the luminosity function. As lower luminosity dwarf galaxies, roughly less active than the Small Magellanic Cloud, are examined, Hα tends to increasingly underpredict the total SFR relative to the FUV. The trend is evident prior to corrections for dust attenuation, which affects the FUV more than the nebular Hα emission, so this general conclusion is robust to the effects of dust. Although past studies have suggested similar trends, this is the first time this effect is probed with a statistical sample for galaxies with SFR ≲ 0.1 M/yr. By SFR ∼ 0.003 M/yr, the average Hα-to-FUV flux ratio is lower than expected by a factor of two, and at the lowest SFRs probed, the ratio exhibits an order of magnitude discrepancy for the handful of galaxies that remain in the sample. A range of standard explanations does not appear to be able to fully account for the magnitude of the systematic. Some recent work has argued for a stellar initial mass function which is deficient in high-mass stars in dwarf and low surface brightness galaxies, and we also consider this scenario. Under the assumption that the FUV traces the SFR in dwarf galaxies more robustly, the prescription relating Hα luminosity to SFR is re-calibrated for use in the low SFR regime when FUV data are not available.

Abstract Copyright:

Journal keyword(s): galaxies: dwarf - galaxies: evolution - galaxies: photometry - stars: formation - surveys - ultraviolet: galaxies

VizieR on-line data: <Available at CDS (J/ApJ/706/599): table1.dat>

CDS comments: Table 1: numbering NNN not used in SIMBAD.

Simbad objects: 319

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Number of rows : 319

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 NAME WLM Galaxy G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 555 2
2 ESO 409-15 IG 00 05 31.85 -28 05 53.4   15.12   14.56 15.9 ~ 41 0
3 NGC 24 GiG 00 09 56.542 -24 57 47.27 12.12 12.20 11.58 11.46 11.5 ~ 198 1
4 NGC 45 LSB 00 14 03.989 -23 10 55.53 11.92 11.21 10.73 10.58 10.4 ~ 220 1
5 NGC 55 GiG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 685 2
6 NGC 59 GiG 00 15 25.126 -21 26 39.68 14.01 13.21 12.59 12.31   ~ 81 0
7 MCG-04-02-003 G 00 19 11.47 -22 40 05.8   15.90   14.8 15.2 ~ 26 0
8 ESO 473-24 G 00 31 23.1 -22 46 02   16.11   15.87 17.7 ~ 48 1
9 NAME Andromeda IV G 00 42 32.3 +40 34 19           ~ 74 0
10 IC 1574 G 00 43 03.82 -22 14 48.8 15.25 14.73 14.35 14.24 14.2 ~ 111 1
11 NGC 247 LSB 00 47 08.554 -20 45 37.44 10.11 9.61 9.10 8.87   ~ 356 2
12 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 2855 2
13 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9080 1
14 NGC 300 GiG 00 54 53.4460065856 -37 41 03.182962667 8.83 8.69 8.13 7.46   ~ 1263 2
15 IC 1613 GiC 01 04 54.2 +02 08 00   10.42 10.01 9.77   ~ 1077 2
16 UGC 685 G 01 07 22.55 +16 41 03.1 15.01 14.55 14.07     ~ 114 0
17 UGC 695 LSB 01 07 46.4167515337 +01 03 49.108559106 15.73 15.26 14.84 14.67 15.6 ~ 41 0
18 UGC 891 G 01 21 19.09 +12 24 42.2 15.36 14.82 14.36 12.87   ~ 83 0
19 UGC 1056 G 01 28 47.232 +16 41 16.71 16.06 15.45 15.10 15.23   ~ 32 0
20 UGC 1104 G 01 32 42.5186826328 +18 19 01.475032761 15.03 14.56 14.13 13.89   ~ 79 0
21 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5018 1
22 NGC 625 AGN 01 35 04.632 -41 26 10.32 12.37 11.78 11.25 11.03 11.5 ~ 236 2
23 M 74 G 01 36 41.772 +15 47 00.46 10.52 10.00 9.46 9.16   ~ 1339 1
24 UGC 1176 GiP 01 40 10.39 +15 54 18.6 14.60 14.38 14.02 13.69   ~ 85 0
25 UGCA 20 bCG 01 43 14.6 +19 58 51   16       ~ 48 0
26 ESO 245-5 G 01 45 03.7 -43 35 52 13.45 12.92 12.63 12.51 12.8 ~ 116 1
27 IC 1727 GiP 01 47 29.890 +27 20 00.06   12.54 11.98 11.77   ~ 167 0
28 NGC 672 GiP 01 47 54.4762706495 +27 25 57.994773107 12.04 11.60 11.09 10.81   ~ 244 0
29 UGC 1281 LSB 01 49 31.71 +32 35 16.2   13.0       ~ 133 0
30 NGC 784 LSB 02 01 16.932 +28 50 14.13 12.97 12.50 12.07 11.83   ~ 165 0
31 UGC 1561 G 02 04 04.9 +24 12 35   14.7       ~ 27 0
32 NGC 855 GiG 02 14 03.612 +27 52 37.82 14.19 13.56 12.75 12.40   ~ 187 1
33 UGC 1807 G 02 21 13.40 +42 45 45.7   11.26   14.38   ~ 32 0
34 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1487 2
35 UGC 1865 G 02 25 00.22 +36 02 16.0   16.5   14.78   ~ 37 0
36 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 678 1
37 UGC 1924 GiG 02 27 49.83 +31 43 32.9   15.4   14.2   ~ 32 0
38 NGC 949 GiG 02 30 48.650 +37 08 12.46   12.667 11.975 11.490 10.790 ~ 134 0
39 NGC 959 GiG 02 32 23.9232338593 +35 29 40.458755996 12.87 12.95 12.38 11.79   ~ 96 1
40 UGC 2014 G 02 32 54.00 +38 40 50.1   17   14.50   ~ 42 0
41 UGC 2023 GiG 02 33 18.12 +33 29 25.5   14.9   13.59   ~ 73 0
42 ESO 115-21 G 02 37 49.563 -61 19 53.77 14.14 13.52 13.13 12.95   ~ 71 1
43 NGC 1003 GiG 02 39 16.893 +40 52 20.25   12.1   10.83   ~ 156 0
44 NGC 1058 Sy2 02 43 30.0247243235 +37 20 28.807743477   12.29 11.75 10.85   ~ 425 0
45 ESO 154-23 G 02 56 50.4 -54 34 17   12.63   12.18 12.5 ~ 90 0
46 NGC 1156 rG 02 59 42.8526900556 +25 14 28.350265697 12.13 12.32 11.74     ~ 271 1
47 ESO 300-14 LSB 03 09 37.87 -41 01 49.7   13.12   12.10 12.8 ~ 56 0
48 ESO 300-16 G 03 10 10.4 -40 00 10   15.56   14.95   ~ 19 0
49 NGC 1269 GiG 03 17 18.600 -41 06 29.05 9.85 9.83 8.81 8.72   ~ 362 1
50 NGC 1313 G 03 18 16.046 -66 29 53.74   10.06 10.0 9.40 10.4 ~ 584 2
51 NGC 1311 G 03 20 06.946 -52 11 07.76 13.89 13.35 12.93 12.75 13.1 ~ 99 0
52 UGC 2684 G 03 20 23.71 +17 17 45.1   18       ~ 67 0
53 UGC 2716 LSB 03 24 07.257 +17 45 10.94 15.09 14.58 14.11 13.88   ~ 46 0
54 IC 1959 GiG 03 33 12.576 -50 24 51.13 13.52 13.32 12.96 12.75 12.7 ~ 80 0
55 IC 342 SBG 03 46 48.514 +68 05 45.98   10.5       ~ 1360 1
56 IC 2000 GiG 03 49 07.6548649395 -48 51 29.792967441   12.90   11.78 12.6 ~ 57 0
57 ESO 302-14 GiG 03 51 40.8 -38 27 13   14.84   14.54 14.8 ~ 44 0
58 NGC 1487 GiP 03 55 46.5 -42 22 01   12.28 11.68 11.74 11.02 ~ 101 0
59 NAME Horologium Dwarf LSB 03 59 15.2 -45 52 14   15.19   15.05   ~ 34 0
60 NGC 1510 GiP 04 03 32.640 -43 24 00.58 14.23 13.63 13.24 13.09   ~ 168 1
61 NGC 1512 GiP 04 03 54.281 -43 20 55.86 11.30 11.43 10.54 10.37   ~ 310 1
62 NGC 1522 EmG 04 06 07.900 -52 40 05.91 14.53 14.16 13.78 13.62 14.0 ~ 55 0
63 NGC 1518 EmG 04 06 49.708 -21 10 21.42   12.20 11.84 11.19 12.0 ~ 82 0
64 ESO 483-13 G 04 12 41.119 -23 09 31.99 14.91 14.23 13.61 13.32 13.8 ~ 45 0
65 NGC 1556 EmG 04 17 44.8006684028 -50 09 51.554518057   13.53   14.0 13.5 ~ 41 0
66 ESO 550-24 G 04 21 13.632 -21 50 46.07   12.75   11.95 12.3 ~ 50 0
67 NGC 1569 IG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1137 3
68 NGC 1560 GiG 04 32 49.087 +71 52 59.20   12.1       ~ 237 0
69 UGC 3174 GiC 04 48 34.3 +00 14 36   14.7   13.9 14.4 ~ 60 0
70 ESO 119-16 G 04 51 29.2 -61 39 03 15.28 14.98 14.58 14.38 14.0 ~ 40 0
71 NGC 1705 SBG 04 54 13.500 -53 21 39.82 12.32 12.96 12.56 12.58 12.9 ~ 578 1
72 NGC 1744 LSB 04 59 57.7384472572 -26 01 19.848876285 12.43 11.90 11.41 11.20 11.7 ~ 122 0
73 NGC 1796 GiG 05 02 42.554 -61 08 24.27 13.63 13.01 12.48 12.21 12.5 ~ 53 0
74 ESO 486-21 G 05 03 19.9 -25 25 26 14.89 14.41 14.03 13.87 14.0 ~ 40 0
75 NGC 1800 G 05 06 25.737 -31 57 15.21 13.51 13.19 12.70 12.48 12.9 ~ 152 1
76 NGC 1808 Sy2 05 07 42.343 -37 30 46.98 11.05 10.80 9.94 9.36 10.2 ~ 629 3
77 ESO 362-9 G 05 11 59.3 -32 58 21 13.66 13.05 12.67 12.55 12.7 ~ 52 0
78 UGCA 105 GiG 05 14 15.3240822656 +62 34 47.963432681   15.3       ~ 69 1
79 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14312 1
80 UGCA 114 LSB 05 50 54.470 -14 46 47.96   12.4   12.7 12.3 ~ 22 0
81 UGCA 116 H2G 05 55 42.645 +03 23 32.23 10.74 11.68 11.46   11.82 ~ 491 0
82 LEDA 95597 LSB 06 47 45.6 +80 07 27   16.4       ~ 58 0
83 UGC 3600 G 06 55 40.00 +39 05 42.8   18       ~ 31 0
84 NGC 2337 G 07 10 13.6369267282 +44 27 26.738269783   13.1       ~ 67 0
85 UGC 3817 G 07 22 44.48 +45 06 30.7   17       ~ 37 0
86 UGC 3860 G 07 28 17.724 +40 46 11.36   15.50       ~ 129 0
87 NGC 2366 H2G 07 28 51.85 +69 12 31.1 12.25 11.86 11.39 11.33   ~ 687 0
88 NGC 2403 AGN 07 36 51.396 +65 36 09.17 9.31 8.84 8.38 8.19   ~ 1569 1
89 UGC 3966 G 07 41 25.777 +40 06 46.05   16.0       ~ 95 0
90 UGC 3974 G 07 41 56.3061361330 +16 48 07.439323443   15.4       ~ 196 0
91 MCG+09-13-056 G 07 47 31.944 +51 11 28.95   14.8       ~ 19 0
92 UGC 4115 G 07 57 01.027 +14 23 47.66   16.0       ~ 119 0
93 NGC 2500 LSB 08 01 53.1733310496 +50 44 13.606564536 11.98 12.20 11.62 11.34 10.85 ~ 166 1
94 NGC 2537 IG 08 13 14.643 +45 59 23.25 12.18 12.50 11.69 11.66   ~ 263 1
95 IC 2233 LSB 08 13 58.909 +45 44 31.74 12.87 13.41 12.63 12.80   ~ 187 1
96 UGC 4305 IG 08 19 04.9878269182 +70 43 13.025604473 12.06 11.72 11.39 11.11   ~ 668 2
97 NGC 2552 G 08 19 20.5356353358 +50 00 34.586263623 13.44 13.00 12.56     ~ 219 1
98 LEDA 2790884 bCG 08 25 55.521 +35 32 31.96   18.2       ~ 97 1
99 UGC 4426 G 08 28 28.560 +41 51 27.13   18       ~ 123 0
100 UGC 4459 GiG 08 34 07.29 +66 10 54.6 15.39 15.03 14.70 14.49   ~ 283 2
101 UGC 4483 GiG 08 37 03.29 +69 46 29.2 15.70 15.46 14.98 14.89   ~ 255 0
102 NGC 2683 AGN 08 52 41.345 +33 25 18.48 11.57 10.68 9.79 9.38   ~ 373 1
103 UGC 4704 GiP 08 59 00.28 +39 12 35.7   15.00       ~ 50 1
104 UGC 4787 G 09 07 34.759 +33 16 40.33   14.3       ~ 47 0
105 NGC 2784 G 09 12 19.497 -24 10 21.36 12.02 10.99 10.16 9.30   ~ 113 1
106 ESO 564-30 G 09 13 12.1 -19 24 31   14.91   14.13 15.0 ~ 25 0
107 NGC 2835 EmG 09 17 52.8544120356 -22 21 16.837188516   11.03   10.32 10.9 ~ 166 0
108 ESO 565-1 G 09 21 28.1 -22 30 06   14.87   13.87 15.6 ~ 33 0
109 UGC 4998 G 09 25 10.9154191264 +68 22 59.168319999 15.94 15.13 14.42 14.09   ~ 38 0
110 NGC 2915 G 09 26 11.532 -76 37 34.75 13.13 12.93 12.68 11.90 12.8 ~ 287 2
111 NGC 2905 H2G 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 965 3
112 MCG+01-25-003 G 09 34 44.716 +06 25 31.76   15.0       ~ 26 0
113 UGC 5139 LSB 09 40 32.33 +71 10 56.0 14.53 14.00 13.66 13.41   ~ 310 1
114 IC 559 G 09 44 43.816 +09 36 57.37   15.0       ~ 39 0
115 UGC 5209 LSB 09 45 04.196 +32 14 16.03   19       ~ 52 0
116 NGC 2976 GiP 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 566 1
117 UGC 5272 B G 09 50 19.484 +31 27 22.22   17.53       ~ 26 0
118 UGC 5272 G 09 50 22.769 +31 29 17.80   14.48   14.10   ~ 156 0
119 UGC 5288 PaG 09 51 17.241 +07 49 32.05 15.07 14.65 14.18 13.99   ~ 74 0
120 NGC 3037 EmG 09 51 24.0266112670 -27 00 39.836892867   13.66   12.77 13.4 ~ 27 0
121 NAME M 81-82 Group GrG 09 55 +69.1           ~ 614 0
122 M 81 Sy2 09 55 33.17306143 +69 03 55.0609270   7.89 6.94     ~ 3887 5
123 M 82 IG 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5209 6
124 UGC 5340 G 09 56 46.047 +28 49 43.77 14.82 14.74 14.59 14.55   ~ 167 1
125 LEDA 28731 G 09 57 03.0 +68 35 31   15.17       ~ 93 1
126 UGC 5336 G 09 57 32.1 +69 02 46 15.19 15.15 14.10 14.12   ~ 280 4
127 ESO 435-20 H2G 09 59 21.226 -28 08 00.04   14.42 14.08 13.33   ~ 76 2
128 NAME Leo Dwarf Irregular Galaxy G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 535 0
129 NAME Sextans B H2G 10 00 00.8201300945 +05 20 09.572530884 12.77 12.25 11.89 11.71   ~ 454 0
130 UGCA 193 GiG 10 02 35.9 -06 00 49 15.70 15.16 14.74 14.55 14.3 ~ 63 0
131 NGC 3109 G 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 678 2
132 UGC 5427 G 10 04 40.949 +29 21 51.54   15.2       ~ 50 0
133 NAME M81 dwB G 10 05 30.44 +70 21 53.9 15.95 15.56 15.09 14.87   ~ 172 1
134 NGC 3125 H2G 10 06 33.318 -29 56 07.32 13.03 13.45 13.00 12.50 13.4 ~ 211 1
135 UGC 5451 LSB 10 07 18.950 +47 00 23.45   14.1       ~ 44 0
136 UGC 5456 G 10 07 20.182 +10 21 40.16   13.78   13.24   ~ 92 0
137 MCG+07-21-010 G 10 07 22.722 +38 58 10.65   15.5       ~ 17 0
138 NAME Sex A H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 636 2
139 NGC 3175 EmG 10 14 42.111 -28 52 19.42   12.14   11.7 11.2 ~ 81 0
140 NGC 3239 IG 10 25 06.24 +17 09 37.8   13.5       ~ 139 0
141 UGC 5672 LSB 10 28 21.105 +22 34 10.93 15.29 14.62 13.98 13.74   ~ 43 0
142 IC 2574 G 10 28 23.6204574649 +68 24 43.441365350 11.70 11.07 10.87 10.74   ~ 590 1
143 UGC 5692 GiG 10 30 36.58 +70 37 06.0 14.81 13.69 13.01 12.73   ~ 109 0
144 NGC 3274 EmG 10 32 17.2228402368 +27 40 07.160374345   13.30   12.77   ~ 191 0
145 UGC 5740 G 10 34 45.955 +50 46 05.47   15.7       ~ 32 0
146 NGC 3299 GiG 10 36 23.861 +12 42 27.10   13.60   12.64   ~ 69 0
147 UGC 5764 IG 10 36 43.1427419501 +31 32 50.184648977   15.6   15.04   ~ 88 0
148 UGC 5797 EmG 10 39 25.193 +01 43 09.08 15.68 15.07 14.59 14.37 14.4 ~ 38 0
149 NAME Spider G 10 42 42.787 +34 26 57.39   13.31 13.09 12.84 12.85 ~ 119 0
150 NGC 3344 EmG 10 43 31.150 +24 55 19.99 10.38 10.54 9.86 9.71   ~ 334 1
151 M 95 GiP 10 43 57.733 +11 42 13.00 10.71 10.51 9.73 9.48   ~ 903 2
152 NGC 3365 GiG 10 46 12.649 +01 48 47.95   13.0   13.0 12.9 ~ 85 0
153 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 724 1
154 UGC 5917 G 10 48 52.933 +46 43 26.69   15.0       ~ 17 0
155 Mrk 1264 EmG 10 49 07.548 +06 55 02.61 15.41 14.86 14.21 13.93   ~ 57 0
156 UGC 5918 GiG 10 49 36.412 +65 32 01.07 15.55 15.27 14.79 14.55   ~ 119 0
157 NGC 3412 GiG 10 50 53.313 +13 24 43.71 11.84 11.45 10.54     ~ 215 1
158 NGC 3432 IG 10 52 31.132 +36 37 07.60   11.81 11.67 11.29   ~ 243 1
159 NGC 3489 GiG 11 00 18.5473550222 +13 54 04.215155077 11.46 11.12 10.29     ~ 352 1
160 NGC 3486 Sy2 11 00 23.946 +28 58 29.35 10.89 11.11 10.53 10.40   ~ 310 1
161 UGC 6102 G 11 01 48.340 +28 41 24.21   14.90       ~ 21 1
162 NGC 3510 LSB 11 03 43.356 +28 53 13.58   13.6       ~ 171 0
163 Mrk 36 SBG 11 04 58.298 +29 08 16.54   15.50 15.29     ~ 212 0
164 NGC 3521 LSB 11 05 48.5676206040 -00 02 09.228156576 10.06 9.83 9.02 10.1 9.6 ~ 672 2
165 UGC 6161 G 11 06 49.194 +43 43 23.73   14.4       ~ 40 0
166 NGC 3593 GiG 11 14 36.9733686308 +12 49 05.505076217   11.8       ~ 322 2
167 NGC 3599 GiP 11 15 26.9498387938 +18 06 37.431040640   13.0       ~ 174 0
168 NGC 3600 GiG 11 15 51.980 +41 35 28.96   12.6       ~ 92 0
169 NGC 3621 AGN 11 18 16.300 -32 48 45.36 10.10 9.44 9.56 8.07 10.1 ~ 473 3
170 M 65 GiP 11 18 55.957 +13 05 31.96   9.6       ~ 396 1
171 M 66 GiP 11 20 15.026 +12 59 28.64 9.85 9.65 8.92     ~ 1118 4
172 NGC 3675 GiG 11 26 08.584 +43 35 09.30   11.04   9.57   ~ 257 1
173 UGC 6457 EmG 11 27 12.252 -00 59 40.79   14.973   14.335 14.7 ~ 35 0
174 UGC 6456 bCG 11 28 00.43 +78 59 38.4   14.50       ~ 301 1
175 Mrk 178 bCG 11 33 29.12 +49 14 17.4 14.69 14.61 14.25 14.17   ~ 208 1
176 NGC 3738 AGN 11 35 48.982 +54 31 24.70   12.12 12.04 11.56   ~ 239 0
177 NGC 3741 G 11 36 05.754 +45 17 02.96 15.01 14.55 14.23 14.06   ~ 177 0
178 UGC 6817 G 11 50 52.984 +38 52 50.92   13.72 13.9 13.39   ~ 147 0
179 UGC 6900 G 11 55 39.7065939676 +31 31 06.530347793   15.7       ~ 92 0
180 LEDA 2832100 GiC 11 58 44.097 +27 35 06.03           ~ 17 0
181 NGC 4020 GiG 11 58 56.935 +30 24 49.05   13.2       ~ 84 0
182 UGC 7007 G 12 01 33.4137224435 +33 20 24.760137108   17       ~ 18 0
183 NGC 4080 GiG 12 04 51.804 +26 59 33.43   14.0       ~ 72 0
184 NGC 4096 GiG 12 06 01.161 +47 28 42.09   11.61   10.86   ~ 212 0
185 MCG+06-27-017 LSB 12 09 56.466 +36 26 03.34   15.5       ~ 31 0
186 NGC 4144 GiG 12 09 58.601 +46 27 25.85   12.17   11.50   ~ 195 0
187 NGC 4163 LSB 12 12 09.108 +36 10 03.13 14.33 13.70 13.2 12.98   ~ 176 0
188 NGC 4190 LSB 12 13 44.1699744302 +36 37 53.391666031 13.88 13.40 13.25 12.86   ~ 176 0
189 NGC 4204 GiC 12 15 14.359 +20 39 32.68   14.3       ~ 111 0
190 UGC 7267 G 12 15 23.652 +51 20 59.63   14.68   13.97   ~ 40 0
191 UGC 7271 GiG 12 15 33.442 +43 26 02.81   15.4       ~ 34 0
192 NGC 4228 SBG 12 15 39.174 +36 19 36.80 10.63 10.30 9.93 9.74   ~ 844 1
193 MCG+09-20-131 G 12 15 46.626 +52 23 13.91   15.3       ~ 57 0
194 NGC 4236 GiG 12 16 42.118 +69 27 45.25 10.97 10.58 10.08 9.90   ~ 355 1
195 NGC 4244 GiG 12 17 29.659 +37 48 25.60   10.71   9.99   ~ 499 1
196 NGC 4242 GiG 12 17 30.1848324010 +45 37 09.511603113   11.37 10.83     ~ 216 1
197 NGC 4288 GiG 12 20 38.119 +46 17 27.67   13.6       ~ 141 0
198 UGC 7408 GiG 12 21 15.27 +45 48 42.1   14.8       ~ 88 2
199 LEDA 166137 GiC 12 25 28.5 +28 28 56   16.5       ~ 32 1
200 NGC 4395 Sy2 12 25 48.8639154223 +33 32 48.694684028 10.84 10.54 10.11 9.98   ~ 951 1
201 Mrk 209 bCG 12 26 16.02 +48 29 36.6   15.3       ~ 293 0
202 UGC 7559 GiP 12 27 05.566 +37 08 30.39   14.19   13.55   ~ 164 0
203 UGC 7577 GiG 12 27 41.8803124881 +43 29 58.140216428 13.75 13.10 12.7 12.33   ~ 217 0
204 UGC 7584 BiC 12 28 02.7700071290 +22 35 16.308209891   16.0       ~ 36 0
205 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 987 1
206 UGC 7599 GiP 12 28 28.084 +37 14 05.36   15.6       ~ 83 0
207 UGC 7605 GiG 12 28 38.743 +35 43 02.91 15.50 15.12 14.86 14.78   ~ 105 1
208 UGC 7608 EmG 12 28 44.078 +43 13 25.79   16.0       ~ 72 0
209 NGC 4455 EmG 12 28 44.1266093618 +22 49 13.542101138   15.5       ~ 164 0
210 NGC 4460 H2G 12 28 45.557 +44 51 51.25   12.5       ~ 113 0
211 MCG+07-26-011 G 12 28 52.298 +42 10 40.09   15       ~ 28 0
212 UGC 7639 GiG 12 29 53.35 +47 31 52.1   14.32   13.44   ~ 61 0
213 MCG+07-26-012 G 12 30 23.574 +42 54 05.76   15       ~ 26 0
214 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 242 2
215 NGC 4490 GiP 12 30 36.368 +41 38 37.07 10.03 10.22 9.79     ~ 513 3
216 UGC 7678 LSB 12 32 00.403 +39 49 54.21   13.9       ~ 41 0
217 UGC 7690 LSB 12 32 26.893 +42 42 14.84   13.7       ~ 90 0
218 UGC 7699 LSB 12 32 48.003 +37 37 18.49   13.40       ~ 99 0
219 UGC 7698 GiC 12 32 53.771 +31 32 50.56   13.50   13.03   ~ 129 0
220 UGC 7719 GiG 12 34 00.540 +39 01 09.04   15.4       ~ 44 0
221 NGC 4534 EmG 12 34 05.412 +35 31 06.07   13.20       ~ 89 0
222 UGC 7774 LSB 12 36 22.716 +40 00 18.72   15.2       ~ 74 0
223 UGCA 290 IG 12 37 21.7 +38 44 28   17       ~ 62 1
224 NAME CVn I dwA GiC 12 38 40.1 +32 45 59 16.91 16.66 16.73 16.62   ~ 186 0
225 NGC 4605 GiG 12 39 59.381 +61 36 33.09   10.94   10.35   ~ 280 2
226 M 104 LIN 12 39 59.43185 -11 37 22.9954 9.51 9.55 8.00 8.05   ~ 1237 3
227 NGC 4618 GiP 12 41 32.8926165605 +41 09 03.051998352 11.03 11.22 10.78     ~ 285 2
228 NGC 4625 GiP 12 41 52.701 +41 16 25.39 12.74 12.92 12.35     ~ 300 2
229 NGC 4631 GiP 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 942 2
230 IC 3687 GiG 12 42 15.1536392607 +38 30 05.849182746   15.5       ~ 111 0
231 NGC 4656 GiP 12 43 57.6880843523 +32 10 13.343087893   10.96 10.52     ~ 310 3
232 UGC 7916 GiC 12 44 24.881 +34 23 03.33   15.0       ~ 52 0
233 ESO 381-20 G 12 46 00.4 -33 50 17   14.24   13.50 14.0 ~ 72 0
234 UGC 7950 bCG 12 46 56.426 +51 36 46.80   14.1       ~ 89 0
235 UGC 7949 GiC 12 47 00.610 +36 28 37.09   17       ~ 73 0
236 NGC 4707 G 12 48 21.666 +51 09 53.81   15.2       ~ 87 0
237 M 94 SyG 12 50 53.148 +41 07 12.55 9.15 8.96 8.24 7.78   ~ 1179 3
238 UGC 8024 GiC 12 54 05.248 +27 08 58.67 14.37 14.23 13.95 13.84   ~ 519 1
239 UGC 8055 LSB 12 56 04.662 +03 48 46.52   17       ~ 39 0
240 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 789 2
241 UGC 8091 H2G 12 58 40.1930291852 +14 13 00.737117016 15.24 15.16 14.98 14.81   ~ 433 0
242 UGCA 319 GiP 13 02 14.39 -17 14 15.1 15.59 14.82 14.34 14.23   ~ 52 0
243 UGCA 320 GiP 13 03 16.736 -17 25 22.91 13.98 13.42 13.09 12.96 13.3 ~ 90 0
244 IC 4182 BiC 13 05 48.7470958923 +37 36 13.015792630   11.86   11.40   ~ 316 1
245 UGC 8201 G 13 06 24.85 +67 42 25.0 14.08 13.61 13.08 12.98   ~ 216 1
246 UGC 8215 G 13 08 03.552 +46 49 40.02   17       ~ 67 0
247 UGC 8245 G 13 08 36.295 +78 56 13.93 15.14 14.54 14.08 13.86   ~ 33 0
248 NGC 5023 EmG 13 12 11.799 +44 02 16.88   13.2       ~ 207 0
249 MCG+07-27-045 LSB 13 12 51.779 +40 32 35.21   15.0       ~ 20 0
250 UGC 8308 G 13 13 22.839 +46 19 21.71   17       ~ 114 1
251 UGC 8313 LSB 13 13 53.848 +42 12 30.89   14.45   13.49   ~ 51 1
252 UGC 8320 G 13 14 27.997 +45 55 11.14 13.63 13.26 13.02 12.81   ~ 226 0
253 UGC 8331 G 13 15 29.753 +47 29 58.69   15.6       ~ 88 1
254 M 63 LIN 13 15 49.2738527699 +42 01 45.726078017   9.34 8.59 8.35   ~ 1022 2
255 NGC 5068 G 13 18 54.807 -21 02 20.76 11.24 10.53 10.01 9.78 10.1 ~ 200 0
256 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 3882 3
257 IC 4247 GiC 13 26 44.9 -30 21 45 15.34 14.67 14.28 14.13   ~ 70 0
258 ESO 324-24 LSB 13 27 38.8 -41 28 47   12.91   12.13 12.3 ~ 81 0
259 NGC 5204 LSB 13 29 36.508 +58 25 07.43   11.84   11.37   ~ 405 0
260 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 3680 4
261 NGC 5195 GiP 13 29 59.590 +47 15 58.06 10.76 10.45 9.55 9.31   ~ 681 3
262 NGC 5229 LSB 13 34 02.831 +47 54 55.68   14.6       ~ 107 0
263 NGC 5238 GiP 13 34 42.5148620610 +51 36 49.166494908   14.2       ~ 110 0
264 M 83 SBG 13 37 00.919 -29 51 56.74 8.85 8.11 7.52 7.21   ~ 2156 2
265 ESO 444-84 GiC 13 37 20.4 -28 02 39 16.04 15.34 15.05 15.05 14.9 ~ 92 1
266 UGC 8638 EmG 13 39 19.348 +24 46 27.77 15.21 14.84 14.46 14.29   ~ 71 0
267 UGC 8651 G 13 39 53.75 +40 44 25.3 15.37 14.56 14.20 14.10   ~ 132 0
268 NGC 5253 AGN 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33   ~ 1244 4
269 NGC 5264 GiG 13 41 36.683 -29 54 47.25 13.86 12.96 12.39 12.14   ~ 130 1
270 UGC 8683 G 13 42 32.520 +39 39 30.60   15.7       ~ 30 0
271 ESO 383-91 G 13 50 32.28 -37 17 20.1   14.34       ~ 23 0
272 UGC 8760 G 13 50 51.3121098935 +38 01 14.956142286 15.56 14.78   14.33   ~ 127 0
273 UGC 8833 G 13 54 48.52 +35 50 14.5   16.5   15.20   ~ 94 1
274 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2467 2
275 NGC 5474 GiP 14 05 01.608 +53 39 43.95   11.28 10.79     ~ 370 1
276 NGC 5477 G 14 05 33.318 +54 27 37.85 13.94 14.36 14.01     ~ 170 1
277 LEDA 50911 G 14 15 08.593 +57 05 30.99   16.5       ~ 26 0
278 UGC 9128 G 14 15 56.70 +23 03 16.2 15.40 14.77 14.41 14.32   ~ 249 0
279 MCG+07-29-060 QSO 14 17 01.716 +43 30 13.52   15.6       ~ 142 0
280 NGC 5585 GiG 14 19 48.204 +56 43 44.58   11.73 11.216 11.12 10.123 ~ 369 0
281 UGC 9211 G 14 22 32.1695540157 +45 23 01.929995337   15.7       ~ 67 0
282 NGC 5608 G 14 23 18.734 +41 46 36.60   13.96   13.23   ~ 65 0
283 UGC 9240 G 14 24 43.0755108543 +44 31 31.754423687 14.24 13.54 13.17 13.07   ~ 176 0
284 UGC 9405 G 14 35 24.077 +57 15 21.24   17       ~ 73 0
285 Mrk 475 EmG 14 39 05.4770066664 +36 48 21.868544960   17.0       ~ 90 0
286 UGC 9497 H2G 14 44 12.8032800372 +42 37 43.773570223   16.0       ~ 55 0
287 NGC 5832 G 14 57 45.90 +71 40 53.5 13.43 12.80 12.26 11.96   ~ 100 1
288 UGC 9660 G 15 01 09.481 +44 41 53.51   14.30       ~ 42 0
289 NGC 5949 G 15 28 00.6678029371 +64 45 47.398847222   12.70       ~ 122 0
290 UGC 9893 G 15 32 56.177 +46 27 05.19   15.20       ~ 37 0
291 UGC 9992 G 15 41 48.01 +67 15 14.0 15.71 15.22 14.81 14.44   ~ 64 0
292 UGC 10669 G 17 00 26.36 +70 17 27.4   17       ~ 21 0
293 UGC 10736 G 17 08 04.81 +69 27 52.0   15.0       ~ 29 0
294 IC 4662 bCG 17 47 09.192 -64 38 19.25   11.75 11.1 10.45   ~ 215 4
295 NGC 6503 LIN 17 49 26.4206717057 +70 08 39.587370580 11.56 10.95 10.28 9.92   ~ 458 1
296 NGC 6744 GiG 19 09 46.099 -63 51 27.14   9.28 8.25 8.08 9.6 ~ 219 0
297 ESO 104-44 LSB 19 11 23.1 -64 13 08   15.01   13.88   ~ 26 0
298 NGC 6789 G 19 16 41.169 +63 58 23.90   13.76       ~ 89 1
299 NAME Sgr dIG G 19 29 59.0 -17 40 41   15.5 13.6     ~ 269 1
300 IC 4870 AGN 19 37 37.5999200142 -65 48 42.663774412   13.92 14.63 12.77 13.1 ~ 54 0
301 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1403 0
302 IC 4951 G 20 09 31.2 -61 50 47 14.74 14.23 13.84 13.68 14.0 ~ 52 0
303 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2179 2
304 NAME Aquarius Dwarf G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 382 1
305 IC 5052 G 20 52 01.633 -69 11 35.93 12.83 12.20 11.66 11.40   ~ 130 0
306 NGC 7090 G 21 36 28.865 -54 33 26.35 12.35 11.60 11.05 10.82 11.2 ~ 127 0
307 IC 5152 G 22 02 41.521 -51 17 47.20   11.03 10.9 10.19   ~ 216 1
308 ESO 238-5 G 22 22 30.4 -48 24 13   15.0   14.9 15.4 ~ 29 0
309 ESO 407-18 G 23 26 27.52 -32 23 19.5 15.34 14.71 14.23 14.03   ~ 138 0
310 ESO 347-17 GiG 23 26 56.4 -37 20 46 14.90 14.69 14.35 14.19 14.2 ~ 55 0
311 NAME Peg Dwarf Irregular Galaxy G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 408 1
312 UGC 12632 GiG 23 29 58.78 +40 59 25.2   15.7       ~ 81 0
313 IC 5332 GiG 23 34 27.488 -36 06 03.89 11.59 11.27 10.72 10.50 11.2 ~ 108 0
314 UGC 12713 G 23 38 14.758 +30 42 33.24   15.1       ~ 48 0
315 ESO 471-6 G 23 43 45.549 -31 57 24.37 14.55 14.03 13.73 13.63   ~ 114 1
316 ESO 348-9 G 23 49 23.2 -37 46 25   14.6   14.7 14.4 ~ 50 0
317 ESO 149-3 G 23 52 02.8 -52 34 44 15.48 15.10 14.89 14.84 14.9 ~ 60 0
318 NGC 7793 GiG 23 57 49.7533807411 -32 35 27.708304655 10.26 9.74 9.28 9.06 9.7 ~ 888 2
319 NAME Local Group GrG ~ ~           ~ 6650 0

    Equat.    Gal    SGal    Ecl

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2019.10.14-02:02:15

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