2019AJ....157..212S

Query : 2019AJ....157..212S

2019AJ....157..212S - Astron. J., 157, 212-212 (2019/May-0)

Ultra-diffuse galaxies at ultraviolet wavelengths.

SINGH P.R., ZARITSKY D., DONNERSTEIN R. and SPEKKENS K.

Abstract (from CDS):

We measure near-ultraviolet (NUV) aperture magnitudes from Galaxy Evolution Explorer images for 258 ultra-diffuse galaxy (UDG) candidates drawn from the initial Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes) survey of ∼300 square degrees surrounding, and including, the Coma galaxy cluster. For the vast majority, 242 of them, we present flux upper limits due either to a lack of significant flux in the aperture or confusion with other objects projected within the aperture. These limits often place interesting constraints on the UDG candidates, indicating that they are non-star-forming or quiescent. In particular, we identify field, quiescent UDG candidates, which are a challenge for formation models and are, therefore, compelling prospects for spectroscopic follow-up and distance determinations. We present far-ultraviolet (FUV) and NUV magnitudes for 16 detected UDG candidates and compare those galaxies to the local population of galaxies on color-magnitude and specific star formation rate diagrams. The NUV-detected UDG candidates form mostly an extension toward lower stellar masses of the star-forming galaxy sequence, and none of these lie within regions of high local galaxy density. UDG candidates span a range of properties, although almost all are consistent with being quiescent, low surface brightness galaxies, regardless of environment.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: photometry - galaxies: star formation

VizieR on-line data: <Available at CDS (J/AJ/157/212): table2.dat table3.dat>

Simbad objects: 206

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Number of rows : 206
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 J1212080+281630 G 12 12 08.0164 +28 16 30.054           ~ 2 0
2 SMDG J1212084+290348 LSB 12 12 08.4338 +29 03 48.653           ~ 4 0
3 SMDG J1212454+273507 G 12 12 45.4431 +27 35 07.267           ~ 2 0
4 SMDG J1213061+294550 LSB 12 13 06.0754 +29 45 49.356           ~ 5 0
5 SMDG J1213235+264641 G 12 13 23.5071 +26 46 40.765           ~ 2 0
6 SMDG J1213512+282109 LSB 12 13 51.2036 +28 21 09.017           ~ 4 0
7 SMDG J1214010+293203 G 12 14 01.0437 +29 32 03.061           ~ 2 0
8 SMDG J1214279+294034 G 12 14 27.8723 +29 40 33.568           ~ 2 0
9 SMDG J1214419+274955 LSB 12 14 42.3 +27 49 55           ~ 4 0
10 SMDG J1214429+291508 LSB 12 14 42.8943 +29 15 07.464           ~ 4 0
11 SMDG J1215126+294832 G 12 15 12.5757 +29 48 32.098           ~ 2 0
12 SMDG J1215164+263120 LSB 12 15 16.4429 +26 31 20.022           ~ 5 0
13 SMDG J1215479+291725 LSB 12 15 47.9077 +29 17 24.546           ~ 5 0
14 SMDG J1216389+265941 LSB 12 16 38.9355 +26 59 40.774           ~ 3 0
15 SMDG J1216389+292843 LSB 12 16 39.0 +29 28 48           ~ 7 0
16 MATLAS-1238 LSB 12 17 12.2 +28 03 05           ~ 5 0
17 MATLAS-1240 LSB 12 17 18.5 +28 34 21           ~ 6 0
18 SMDG J1217202+301000 LSB 12 17 20.1013 +30 10 01.165           ~ 4 0
19 MATLAS-1243 LSB 12 17 26.7 +27 59 55           ~ 6 0
20 SMDG J1217281+305553 LSB 12 17 28.0481 +30 55 52.306           ~ 5 0
21 MATLAS-1247 LSB 12 17 37.7 +28 35 20           ~ 8 0
22 MATLAS-1251 LSB 12 17 44.9 +28 17 26           ~ 7 0
23 MATLAS-1276 G 12 18 14.6 +28 46 50           ~ 3 0
24 MATLAS-1280 LSB 12 18 24.2 +27 42 43           ~ 5 0
25 SMDG J1218390+285050 LSB 12 18 38.9722 +28 50 50.052           ~ 5 0
26 SMDG J1218528+312335 G 12 18 52.7893 +31 23 34.902           ~ 2 0
27 MATLAS-1298 LSB 12 19 03.1 +28 54 05           ~ 6 0
28 SMDG J1219292+305047 G 12 19 29.1687 +30 50 47.010           ~ 2 0
29 SMDG J1219317+300245 G 12 19 31.6589 +30 02 44.500           ~ 2 0
30 MATLAS-1311 G 12 19 42.5 +28 38 12           ~ 3 0
31 SMDG J1219518+253345 G 12 19 51.7639 +25 33 44.801           ~ 2 0
32 SMDG J1219552+302252 G 12 19 55.1697 +30 22 52.062           ~ 2 0
33 SMDG J1220096+282607 G 12 20 09.6167 +28 26 07.158           ~ 2 0
34 SMDG J1220189+323551 G 12 20 18.9148 +32 35 50.656           ~ 2 0
35 MATLAS-1338 LSB 12 20 21.0 +29 08 34           ~ 8 0
36 MATLAS-1356 LSB 12 21 08.5 +29 29 22           ~ 6 0
37 SMDG J1221219+295404 LSB 12 21 21.8738 +29 54 03.789           ~ 4 0
38 SMDG J1221254+280821 LSB 12 21 25.4224 +28 08 19.747           ~ 4 0
39 SMDG J1221497+283111 LSB 12 21 49.7168 +28 31 10.539           ~ 6 0
40 MATLAS-1363 G 12 21 57.8 +28 53 08           ~ 3 0
41 SMDG J1222081+320734 G 12 22 08.1226 +32 07 34.106           ~ 2 0
42 SMDG J1222124+330921 LSB 12 22 12.4585 +33 09 20.784           ~ 4 0
43 SMDG J1222127+301412 LSB 12 22 12.7332 +30 14 12.099           ~ 4 0
44 SMDG J1222131+301827 LSB 12 22 13.0884 +30 18 26.893           ~ 5 0
45 SMDG J1223083+290248 LSB 12 23 08.3203 +29 02 47.411           ~ 5 0
46 SMDG J1223093+283233 LSB 12 23 09.5 +28 32 35           ~ 4 0
47 SMDG J1223448+295949 LSB 12 23 44.6484 +29 59 51.829           ~ 7 0
48 SMDG J1224082+280544 LSB 12 24 08.1409 +28 05 44.785           ~ 7 0
49 SMDG J1224166+291506 LSB 12 24 16.5491 +29 15 07.114           ~ 5 0
50 SMDG J1225265+311646 LSB 12 25 26.4697 +31 16 46.183           ~ 4 0
51 SMDG J1228096+300844 G 12 28 09.5618 +30 08 44.364           ~ 2 0
52 SMDG J1228115+290105 LSB 12 28 11.5173 +29 01 05.465           ~ 3 0
53 SMDG J1228553+300223 LSB 12 28 55.3162 +30 02 22.911           ~ 4 0
54 SMDG J1228597+304421 LSB 12 28 59.7034 +30 44 21.850           ~ 4 0
55 SMDG J1230065+293358 G 12 30 06.5369 +29 33 57.641           ~ 2 0
56 SMDG J1230456+264650 LSB 12 30 45.5749 +26 46 49.973           ~ 3 0
57 SMDG J1231418+264434 LSB 12 31 41.7664 +26 44 34.072           ~ 4 0
58 SMDG J1232319+201407 LSB 12 32 31.9666 +20 14 07.135           ~ 4 0
59 SMDG J1235424+263714 G 12 35 42.3779 +26 37 14.235           ~ 3 0
60 SMDG J1235482+191535 G 12 35 48.1531 +19 15 34.504           ~ 2 0
61 SMDG J1236252+260314 G 12 36 25.1587 +26 03 13.607           ~ 3 0
62 SMDG J1236306+284137 G 12 36 30.6262 +28 41 37.350           ~ 2 0
63 SMDG J1236382+233223 LSB 12 36 38.2507 +23 32 23.214           ~ 4 0
64 SMDG J1237294+204442 LSB 12 37 29.3628 +20 44 42.085           ~ 4 0
65 SMDG J1237428+263727 G 12 37 42.7954 +26 37 27.322           ~ 4 0
66 SMDG J1237460+241539 LSB 12 37 46.0254 +24 15 39.159           ~ 4 0
67 SMDG J1238305+274355 G 12 38 30.4724 +27 43 54.597           ~ 3 0
68 SMDG J1239136+282717 LSB 12 39 13.5791 +28 27 16.970           ~ 6 0
69 SMDG J1239475+195309 G 12 39 47.5122 +19 53 08.514           ~ 2 0
70 SMDG J1239503+244949 LSB 12 39 50.1965 +24 49 50.060           ~ 6 0
71 SMDG J1240530+321655 LSB 12 40 53.0 +32 16 56           ~ 13 0
72 SMDG J1240591+292907 G 12 40 59.1284 +29 29 06.737           ~ 2 0
73 SMDG J1241437+261351 LSB 12 41 43.6560 +26 13 50.759           ~ 4 0
74 SMDG J1242314+315809 LSB 12 42 31.4 +31 58 09           ~ 13 0
75 SMDG J1242371+183153 G 12 42 37.0935 +18 31 53.489           ~ 2 0
76 SMDG J1242514+254921 LSB 12 42 51.4270 +25 49 20.939           ~ 4 0
77 SMDG J1243082+255228 G 12 43 08.1702 +25 52 28.428           ~ 2 0
78 SMDG J1243448+323203 LSB 12 43 44.6 +32 32 04           ~ 13 0
79 SMDG J1245277+181801 LSB 12 45 27.5867 +18 18 02.703           ~ 4 0
80 SMDG J1245301+191013 LSB 12 45 30.1465 +19 10 12.879           ~ 5 0
81 SMDG J1245407+295232 G 12 45 40.6787 +29 52 32.424           ~ 2 0
82 SMDG J1245546+264842 LSB 12 45 54.6570 +26 48 40.969           ~ 4 0
83 SMDG J1246113+265124 G 12 46 11.3416 +26 51 23.945           ~ 2 0
84 SMDG J1247233+180140 LSB 12 47 23.0933 +18 01 42.297           ~ 7 0
85 SMDG J1247379+331359 LSB 12 47 37.9651 +33 13 58.367           ~ 4 0
86 SMDG J1248044+175810 G 12 48 04.4275 +17 58 10.439           ~ 3 0
87 SMDG J1249292+193837 LSB 12 49 29.2273 +19 38 37.387           ~ 4 0
88 SMDG J1249413+270645 LSB 12 49 41.2097 +27 06 46.879           ~ 6 0
89 SMDG J1251014+274753 LSB 12 51 01.3513 +27 47 52.918           ~ 5 0
90 SMDG J1251452+263720 G 12 51 45.1721 +26 37 20.284           ~ 2 0
91 SMDG J1251456+305430 LSB 12 51 45.5896 +30 54 30.458           ~ 3 0
92 SMDG J1253048+253121 LSB 12 53 04.7827 +25 31 22.487           ~ 6 0
93 SMDG J1253392+271237 LSB 12 53 39.1956 +27 12 36.876           ~ 3 0
94 SMDG J1253452+271141 LSB 12 53 45.2490 +27 11 41.422           ~ 3 0
95 SMDG J1254252+194332 LSB 12 54 25.1404 +19 43 31.842           ~ 6 0
96 SMDG J1254385+221708 G 12 54 38.5254 +22 17 07.579           ~ 2 0
97 SMDG J1254511+292606 LSB 12 54 51.0681 +29 26 06.225           ~ 3 0
98 SMDG J1254587+270648 LSB 12 54 58.7732 +27 06 47.394           ~ 5 0
99 SMDG J1255051+293517 LSB 12 55 05.0684 +29 35 17.134           ~ 3 0
100 SMDG J1255210+265605 LSB 12 55 21.0205 +26 56 04.687           ~ 5 0
101 SMDG J1255299+270940 LSB 12 55 29.8938 +27 09 40.332           ~ 3 0
102 SMDG J1255301+273451 LSB 12 55 30.103 +27 34 50.33     20.99 20.94   ~ 7 0
103 SMDG J1255336+213035 LSB 12 55 33.6292 +21 30 34.895           ~ 7 0
104 SMDG J1255379+275255 LSB 12 55 38.016 +27 52 54.97     21.75 21.36   ~ 5 0
105 SMDG J1255481+263352 LSB 12 55 48.1 +26 33 53           ~ 9 0
106 SMDG J1255591+272554 LSB 12 55 59.15 +27 25 53.4     20.69 20.67   ~ 6 0
107 SMDG J1256129+273250 LSB 12 56 12.95 +27 32 50.3   21.67 21.15 21.18   ~ 13 0
108 SMDG J1256199+280804 LSB 12 56 19.853 +28 08 03.85     20.16 19.78   ~ 5 0
109 SMDG J1256227+281955 LSB 12 56 22.687 +28 19 54.26     20.90 20.48   ~ 12 0
110 SMDG J1256265+285929 LSB 12 56 26.5247 +28 59 28.222           ~ 6 0
111 SMDG J1256284+273707 LSB 12 56 28.41 +27 37 06.3     20.18 20.06   ~ 12 0
112 SMDG J1256297+282640 LSB 12 56 29.678 +28 26 40.47     19.86 20.60   ~ 13 0
113 SMDG J1257017+282325 LSB 12 57 01.687 +28 23 24.73     19.14 18.50   ~ 31 0
114 SMDG J1257113+273405 LSB 12 57 11.405 +27 34 04.35     20.80 20.38   ~ 5 0
115 SMDG J1257189+270556 LSB 12 57 18.922 +27 05 55.62     20.00 20.55   ~ 11 0
116 SMDG J1257242+262229 LSB 12 57 24.1736 +26 22 29.423           ~ 3 0
117 SMDG J1257243+274344 LSB 12 57 24.326 +27 43 43.90     19.60 19.55   ~ 7 0
118 SMDG J1257427+264230 LSB 12 57 42.799 +26 42 30.30   20.81 20.19 20.40   ~ 7 0
119 SMDG J1257448+281633 LSB 12 57 44.806 +28 16 32.62     20.82 20.80   ~ 5 0
120 SMDG J1257515+274924 LSB 12 57 51.518 +27 49 23.09     19.36 19.30   ~ 7 0
121 SDSS J125801.11+271126.4 LSB 12 58 01.119 +27 11 26.47   20.66 20.02 19.68   ~ 19 0
122 SMDG J1258050+274359 LSB 12 58 05.047 +27 43 58.50     19.92 19.97   ~ 11 0
123 SMDG J1258104+271912 LSB 12 58 10.411 +27 19 11.48   21.32 20.28 20.08   ~ 11 0
124 SMDG J1258131+272522 LSB 12 58 13.176 +27 25 21.80   20.34 19.60 19.44   ~ 7 0
125 SDSS J125814.58+272429.3 LSB 12 58 14.587 +27 24 29.35   20.33 19.38 19.22   ~ 9 0
126 SMDG J1258188+274710 LSB 12 58 18.763 +27 47 10.36           ~ 4 0
127 SMDG J1258409+285701 LSB 12 58 40.896 +28 57 01.18     20.79 20.42   ~ 5 0
128 SMDG J1258450+283912 LSB 12 58 45.034 +28 39 11.79     21.22 21.01   ~ 7 0
129 SMDG J1258472+280724 LSB 12 58 47.222 +28 07 24.18     20.76 20.63   ~ 7 0
130 SMDG J1258513+232924 G 12 58 51.3 +23 29 24           ~ 3 0
131 SMDG J1258545+273353 LSB 12 58 54.514 +27 33 53.29     19.87 19.75   ~ 5 0
132 SMDG J1259088+275736 LSB 12 59 08.748 +27 57 35.41   20.94 19.86 19.43   ~ 7 0
133 SMDG J1259106+275415 LSB 12 59 10.586 +27 54 14.79   20.68 19.66 19.25   ~ 5 0
134 SMDG J1259163+281751 LSB 12 59 16.303 +28 17 50.67     19.95 19.84   ~ 12 0
135 SMDG J1259295+283013 LSB 12 59 29.4800 +28 30 13.259           ~ 3 0
136 SMDG J1259304+274451 LSB 12 59 30.46 +27 44 50.4   20.82 19.79 19.60   ~ 17 0
137 SMDG J1259413+273149 LSB 12 59 41.316 +27 31 48.41     19.56 19.36   ~ 8 0
138 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
139 SMDG J1259487+274639 LSB 12 59 48.72 +27 46 39.0   21.88 20.46 20.07   ~ 18 0
140 SMDG J1300202+271715 LSB 13 00 20.153 +27 17 15.01     20.17 20.18   ~ 5 0
141 SMDG J1300204+274924 LSB 13 00 20.37 +27 49 24.0   21.05 20.04 19.78   ~ 9 0
142 GMP 2748 LSB 13 00 20.61 +27 47 12.3   20.15 19.20 18.76   ~ 27 0
143 SDSS J130027.88+283730.1 LSB 13 00 27.888 +28 37 30.19     19.34 19.51   ~ 8 0
144 SMDG J1300311+270112 LSB 13 00 31.073 +27 01 13.09     21.45 20.73   ~ 5 0
145 SMDG J1300473+264700 LSB 13 00 47.280 +26 46 59.30     20.73 20.07   ~ 13 0
146 SMDG J1300580+265835 LSB 13 00 57.996 +26 58 34.72     19.37 18.43   ~ 145 0
147 SMDG J1301005+210355 LSB 13 01 00.3955 +21 03 56.261           ~ 6 0
148 SMDG J1301046+274440 LSB 13 01 04.589 +27 44 39.48     20.08 19.74   ~ 6 0
149 SMDG J1301121+280817 LSB 13 01 12.077 +28 08 15.37     20.34 20.16   ~ 6 0
150 SMDG J1301124+274525 LSB 13 01 12.419 +27 45 25.31           ~ 4 0
151 GMP 2175 LSB 13 01 15.845 +27 12 38.62     19.41 18.58   ~ 47 0
152 SMDG J1301191+270315 LSB 13 01 19.090 +27 03 15.21     20.11 19.69   ~ 17 0
153 SMDG J1301200+282850 LSB 13 01 20.047 +28 28 49.56     19.93 19.90   ~ 5 0
154 SMDG J1301303+282229 LSB 13 01 30.341 +28 22 28.55     20.25 20.20   ~ 21 0
155 SMDG J1302019+280407 LSB 13 02 01.9043 +28 04 06.519           ~ 3 0
156 SMDG J1302199+274516 LSB 13 02 19.920 +27 45 15.78     20.70 20.30   ~ 5 0
157 SMDG J1302284+274821 LSB 13 02 28.3740 +27 48 20.315           ~ 5 0
158 SMDG J1302334+283452 LSB 13 02 33.4 +28 34 51           ~ 12 0
159 SMDG J1302425+285235 LSB 13 02 42.5024 +28 52 34.800           ~ 5 0
160 SMDG J1302578+274724 LSB 13 02 57.8 +27 47 25           ~ 9 0
161 SMDG J1302581+300013 LSB 13 02 58.1177 +30 00 12.531           ~ 4 0
162 SMDG J1303452+282401 LSB 13 03 45.2124 +28 24 01.482           ~ 3 0
163 SMDG J1303568+280630 LSB 13 03 56.8249 +28 06 30.063           ~ 5 0
164 SMDG J1304208+282747 LSB 13 04 20.7971 +28 27 47.244           ~ 3 0
165 SMDG J1304250+210738 G 13 04 25.0378 +21 07 37.986           ~ 3 0
166 SMDG J1304300+260039 G 13 04 30.0146 +26 00 39.228           ~ 2 0
167 GMP 394 LSB 13 04 39.9 +28 47 18           ~ 6 0
168 SMDG J1305166+292352 LSB 13 05 16.6003 +29 23 51.567           ~ 5 0
169 SMDG J1305332+230421 LSB 13 05 33.1897 +23 04 21.152           ~ 4 0
170 SMDG J1305380+275757 LSB 13 05 37.9871 +27 57 56.857           ~ 3 0
171 SMDG J1306048+274804 LSB 13 06 04.8377 +27 48 03.327           ~ 5 0
172 SMDG J1306148+275941 LSB 13 06 14.7766 +27 59 41.268           ~ 8 0
173 SMDG J1306215+271605 LSB 13 06 21.4600 +27 16 05.327           ~ 3 0
174 SMDG J1307269+281027 LSB 13 07 26.8616 +28 10 26.523           ~ 3 0
175 SMDG J1307343+282115 LSB 13 07 34.2993 +28 21 14.826           ~ 4 0
176 SMDG J1307464+291230 LSB 13 07 46.3184 +29 12 31.170           ~ 6 0
177 SMDG J1308004+284358 LSB 13 08 00.3955 +28 43 58.023           ~ 4 0
178 SMDG J1308009+292059 G 13 08 00.8679 +29 20 58.978           ~ 2 0
179 SMDG J1308288+262600 LSB 13 08 28.8245 +26 25 58.157           ~ 4 0
180 SMDG J1308296+271354 LSB 13 08 29.5496 +27 13 54.103           ~ 4 0
181 SMDG J1308532+270958 LSB 13 08 53.2214 +27 09 57.649           ~ 4 0
182 SMDG J1309116+212955 G 13 09 11.6199 +21 29 55.022           ~ 2 0
183 SMDG J1311062+193524 G 13 11 06.1816 +19 35 24.406           ~ 2 0
184 SMDG J1311331+314933 G 13 11 33.1421 +31 49 33.161           ~ 2 0
185 AGC 239104 LSB 13 13 18.8269 +31 24 52.046           ~ 10 0
186 SMDG J1313343+261845 G 13 13 34.3323 +26 18 44.753           ~ 2 0
187 SDSS J131542.61+311848.0 LSB 13 15 42.618 +31 18 48.06           ~ 9 0
188 SMDG J1317006+203523 LSB 13 17 00.6226 +20 35 22.655           ~ 3 0
189 SMDG J1317069+202215 LSB 13 17 06.8701 +20 22 15.354           ~ 4 0
190 SMDG J1320482+314821 LSB 13 20 48.2336 +31 48 21.448           ~ 3 0
191 SMDG J1321358+270853 G 13 21 35.8044 +27 08 53.173           ~ 2 0
192 SMDG J1321442+330703 LSB 13 21 44.1431 +33 07 02.726           ~ 4 0
193 SMDG J1324014+314457 G 13 24 01.3513 +31 44 57.473           ~ 2 0
194 SMDG J1325468+320152 G 13 25 46.7834 +32 01 51.964           ~ 2 0
195 SMDG J1328427+250721 LSB 13 28 42.7148 +25 07 20.991           ~ 4 0
196 SMDG J1332244+313331 G 13 32 24.3860 +31 33 30.525           ~ 2 0
197 SMDG J1332426+254046 G 13 32 42.5903 +25 40 46.113           ~ 2 0
198 SMDG J1333170+281432 LSB 13 33 16.9995 +28 14 31.628           ~ 3 0
199 SMDG J1335316+322827 G 13 35 31.6480 +32 28 27.207           ~ 2 0
200 SMDG J1335454+281226 LSB 13 35 45.3625 +28 12 26.013           ~ 3 0
201 SMDG J1336045+325812 LSB 13 36 04.5373 +32 58 12.059           ~ 4 0
202 SMDG J1340311+282700 LSB 13 40 31.1279 +28 26 59.083           ~ 3 0
203 SMDG J1340388+255453 G 13 40 38.8293 +25 54 53.076           ~ 2 0
204 SMDG J1341238+300635 LSB 13 41 23.8550 +30 06 34.718           ~ 4 0
205 SMDG J1342046+295239 LSB 13 42 04.7168 +29 52 37.800           ~ 5 0
206 SMDG J1342295+293819 LSB 13 42 29.5386 +29 38 18.340           ~ 4 0

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