2012AJ....144..101G

Query : 2012AJ....144..101G

2012AJ....144..101G - Astron. J., 144, 101 (2012/October-0)

IRAS 20050+2720: anatomy of a young stellar cluster.

GUENTHER H.M., WOLK S.J., SPITZBART B., GUTERMUTH R.A., FORBRICH J., WRIGHT N.J., ALLEN L., BOURKE T.L., MEGEATH S.T. and PIPHER J.L.

Abstract (from CDS):

IRAS 20050+2720 is young star-forming region at a distance of 700 pc without apparent high-mass stars. We present results of our multi-wavelength study of IRAS 20050+2720 which includes observations by Chandra and Spitzer, and Two Micron All Sky Survey and UBVRI photometry. In total, about 300 young stellar objects (YSOs) in different evolutionary stages are found. We characterize the distribution of YSOs in this region using a minimum spanning tree analysis. We newly identify a second cluster core, which consists mostly of class II objects, about 10' from the center of the cloud. YSOs of earlier evolutionary stages are more clustered than more evolved objects. The X-ray luminosity function (XLF) of IRAS 20050+2720 is roughly lognormal, but steeper than the XLF of the more massive Orion Nebula complex. IRAS 20050+2720 shows a lower NH/AK ratio compared with the diffuse interstellar medium.

Abstract Copyright: ∼

Journal keyword(s): circumstellar matter - infrared: stars - stars: formation - stars: pre-main sequence - X-rays: stars

VizieR on-line data: <Available at CDS (J/AJ/144/101): table2.dat table3.dat>

Nomenclature: Table 3: [GWS2012] NNNNN (Nos 1-40593). Fig. 6, Paragr. 4.1: [GWS2012] cluster core W (Nos E, W).

Simbad objects: 368

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Number of rows : 368
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
2 IC 348 OpC 03 44 31.7 +32 09 32           ~ 1393 1
3 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1357 0
4 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4416 0
5 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2331 0
6 NAME Ori Complex Cld 05 35.3 -05 23           ~ 441 0
7 NGC 2244 OpC 06 32 10.8 +04 54 50           ~ 634 1
8 RCW 38 SFR 08 59 05.50 -47 30 39.4           ~ 305 2
9 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
10 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3631 1
11 GUM 53 HII 16 40 00.1 -48 51 45           ~ 95 1
12 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1100 2
13 [GWS2012] 9065 Y*O 20 06 27.649 +27 28 04.53           ~ 1 0
14 [GWS2012] 9369 Y*O 20 06 28.982 +27 30 03.52           ~ 1 0
15 2MASS J20063370+2723568 Y*O 20 06 33.6969517800 +27 23 56.800177044           ~ 1 0
16 [GWS2012] 10526 Y*O 20 06 33.875 +27 33 00.63           ~ 1 0
17 [GWS2012] 11979 Y*O 20 06 39.858 +27 28 20.62           ~ 1 0
18 2MASS J20064218+2729466 Y*O 20 06 42.1817574000 +27 29 46.609559952           ~ 1 0
19 [GWS2012] 12693 Y*O 20 06 42.627 +27 33 02.08           ~ 1 0
20 [GWS2012] 12858 Y*O 20 06 43.213 +27 30 03.25           ~ 1 0
21 [GWS2012] 13105 Y*O 20 06 44.209 +27 30 13.43           ~ 1 0
22 [GWS2012] 13295 Y*O 20 06 44.883 +27 29 19.04           ~ 1 0
23 [GWS2012] 13413 Y*O 20 06 45.315 +27 26 02.96           ~ 1 0
24 [GWS2012] 13453 Y*O 20 06 45.462 +27 33 36.10           ~ 1 0
25 [GWS2012] 13462 Y*O 20 06 45.476 +27 30 26.87           ~ 1 0
26 [GWS2012] 279 Y*O 20 06 45.996 +27 26 55.35           ~ 1 0
27 [GWS2012] 13790 Y*O 20 06 46.780 +27 23 39.56           ~ 1 0
28 [GWS2012] 13986 Y*O 20 06 47.454 +27 31 04.31           ~ 1 0
29 [GWS2012] 14002 Y*O 20 06 47.497 +27 33 50.88           ~ 1 0
30 2MASS J20064820+2732220 Y*O 20 06 48.2071628232 +27 32 22.019650764           ~ 2 0
31 [GWS2012] 14422 Y*O 20 06 49.131 +27 31 39.86           ~ 1 0
32 [GWS2012] 14468 Y*O 20 06 49.299 +27 24 08.54           ~ 1 0
33 [GWS2012] 14481 Y*O 20 06 49.365 +27 30 32.13           ~ 1 0
34 2MASS J20064966+2720521 Y*O 20 06 49.665 +27 20 52.11           ~ 1 0
35 [GWS2012] 14651 Y*O 20 06 49.980 +27 22 42.59           ~ 1 0
36 [GWS2012] 14723 Y*O 20 06 50.266 +27 38 11.95           ~ 1 0
37 2MASS J20065091+2722175 Y*O 20 06 50.910 +27 22 17.56       18.057 16.468 ~ 1 0
38 [GWS2012] 14905 Y*O 20 06 50.984 +27 26 59.44           ~ 1 0
39 2MASS J20065105+2731509 Y*O 20 06 51.0584171088 +27 31 50.959461468           ~ 2 0
40 2MASS J20065106+2731449 Y*O 20 06 51.0689914008 +27 31 45.014813400           ~ 1 0
41 [GWS2012] 14952 Y*O 20 06 51.138 +27 29 21.98           ~ 1 0
42 2MASS J20065134+2723233 Y*O 20 06 51.3442964112 +27 23 23.401637268   18.389 16.908 16.080 15.312 ~ 1 0
43 2MASS J20065145+2728237 Y*O 20 06 51.4568295528 +27 28 23.651134752           ~ 1 0
44 [GWS2012] 15080 Y*O 20 06 51.599 +27 25 29.82           ~ 1 0
45 [GWS2012] 15101 Y*O 20 06 51.680 +27 27 41.16           ~ 1 0
46 2MASS J20065238+2721053 Y*O 20 06 52.387 +27 21 05.34           ~ 1 0
47 [GWS2012] 15331 Y*O 20 06 52.507 +27 37 42.21           ~ 1 0
48 [GWS2012] 15369 Y*O 20 06 52.639 +27 36 34.08           ~ 1 0
49 [GWS2012] 15447 Y*O 20 06 52.925 +27 28 29.60           ~ 1 0
50 [GWS2012] 15464 Y*O 20 06 52.976 +27 30 37.21           ~ 1 0
51 2MASS J20065303+2732482 Y*O 20 06 53.0336414424 +27 32 48.177830472           ~ 3 0
52 2MASS J20065376+2723198 Y*O 20 06 53.7620231304 +27 23 19.942847952           ~ 1 0
53 [GWS2012] 15690 Y*O 20 06 53.826 +27 31 17.28           ~ 1 0
54 2MASS J20065422+2724382 Y*O 20 06 54.2146632960 +27 24 38.293756848 13.917 13.796 13.028 12.630 12.233 ~ 1 0
55 [GWS2012] 15827 Y*O 20 06 54.302 +27 27 28.31           ~ 1 0
56 [GWS2012] 15831 Y*O 20 06 54.309 +27 30 23.39           ~ 1 0
57 2MASS J20065445+2729591 Y*O 20 06 54.455 +27 29 59.11           ~ 3 0
58 [GWS2012] 16008 Y*O 20 06 55.027 +27 27 51.31           ~ 1 0
59 2MASS J20065529+2732097 Y*O 20 06 55.2972593712 +27 32 09.753520992           ~ 1 0
60 2MASS J20065613+2730502 Y*O 20 06 56.135 +27 30 50.28           ~ 2 0
61 [GWS2012] 16388 Y*O 20 06 56.418 +27 30 12.59           ~ 1 0
62 2MASS J20065659+2733082 Y*O 20 06 56.5934197200 +27 33 08.231110920       18.264 16.493 ~ 2 0
63 [GWS2012] 285 Y*O 20 06 56.660 +27 26 15.06           ~ 1 0
64 2MASS J20065672+2732389 Y*O 20 06 56.7272406216 +27 32 38.912837820           ~ 1 0
65 [GWS2012] 16573 Y*O 20 06 57.100 +27 22 36.74           ~ 1 0
66 2MASS J20065714+2733071 Y*O 20 06 57.1488840696 +27 33 07.150573980       15.884 14.472 ~ 1 0
67 [GWS2012] 16597 Y*O 20 06 57.217 +27 25 37.29           ~ 1 0
68 2MASS J20065723+2723424 Y*O 20 06 57.2326519392 +27 23 42.519026616   17.537 15.996 15.048 14.068 ~ 1 0
69 [GWS2012] 16622 Y*O 20 06 57.327 +27 35 10.75           ~ 1 0
70 2MASS J20065735+2730279 Y*O 20 06 57.3600212544 +27 30 27.886560300           ~ 3 0
71 [GMM2009] IRAS 20050+2720 70 Y*O 20 06 57.95 +27 29 29.5           ~ 3 0
72 [GWS2012] 16915 Y*O 20 06 58.418 +27 22 20.74           ~ 1 0
73 [GWS2012] 17002 Y*O 20 06 58.762 +27 32 54.28           ~ 1 0
74 [GWS2012] 17058 Y*O 20 06 58.975 +27 31 29.37           ~ 1 0
75 [GWS2012] 17106 Y*O 20 06 59.180 +27 32 21.53           ~ 1 0
76 2MASS J20065945+2724480 Y*O 20 06 59.457 +27 24 48.00           ~ 2 0
77 2MASS J20065980+2731467 Y*O 20 06 59.808 +27 31 46.71           ~ 2 0
78 [GWS2012] 17293 Y*O 20 06 59.971 +27 22 45.79           ~ 1 0
79 2MASS J20065998+2726328 Y*O 20 06 59.9822326008 +27 26 32.940506328 15.409 15.133 14.222 13.754 13.322 ~ 2 0
80 [GWS2012] cluster core W As* 20 07 00 +27 30.0           ~ 2 0
81 [GMM2009] IRAS 20050+2720 21 Y*O 20 07 00.19 +27 30 11.9           ~ 3 0
82 [GWS2012] 17353 Y*O 20 07 00.220 +27 23 00.58           ~ 1 0
83 [GWS2012] 17367 Y*O 20 07 00.249 +27 30 19.72           ~ 1 0
84 [GWS2012] 17386 Y*O 20 07 00.315 +27 31 58.47           ~ 1 0
85 2MASS J20070034+2731412 Y*O 20 07 00.348 +27 31 41.27           ~ 3 0
86 2MASS J20070037+2725456 Y*O 20 07 00.3691876488 +27 25 45.710320728           ~ 1 0
87 2MASS J20070058+2731202 Y*O 20 07 00.584 +27 31 20.28           ~ 3 0
88 2MASS J20070071+2725532 Y*O 20 07 00.712 +27 25 53.25           ~ 2 0
89 2MASS J20070076+2729585 Y*O 20 07 00.7618340472 +27 29 58.520032584       18.666 16.970 ~ 3 0
90 2MASS J20070085+2733563 Y*O 20 07 00.8584442856 +27 33 56.253526092       18.651 16.912 ~ 3 0
91 [GWS2012] 17528 Y*O 20 07 00.952 +27 32 53.87           ~ 1 0
92 [GWS2012] 53 Y*O 20 07 01.01106 +27 29 55.9449           ~ 2 0
93 2MASS J20070104+2729355 Y*O 20 07 01.0466357400 +27 29 35.422585584           ~ 3 0
94 2MASS J20070139+2728042 Y*O 20 07 01.398 +27 28 04.23           ~ 2 0
95 2MASS J20070151+2730058 Y*O 20 07 01.514 +27 30 05.85           ~ 2 0
96 2MASS J20070168+2731266 Y*O 20 07 01.6896768696 +27 31 26.736363696           ~ 3 0
97 2MASS J20070176+2731334 Y*O 20 07 01.7671468704 +27 31 33.430292760           ~ 3 0
98 IRAS 20049+2721 Y*O 20 07 02.1738472248 +27 30 26.815510800 16.087 15.721 14.161 13.192 12.219 ~ 8 0
99 2MASS J20070219+2730141 Y*O 20 07 02.1973482936 +27 30 14.093420940           ~ 3 0
100 2MASS J20070267+2725177 Y*O 20 07 02.676 +27 25 17.75           ~ 2 0
101 2MASS J20070278+2729456 Y*O 20 07 02.7895587696 +27 29 45.456444636           ~ 2 0
102 2MASS J20070287+2728591 Y*O 20 07 02.8802532696 +27 28 59.042272224       18.697 16.844 ~ 3 0
103 2MASS J20070292+2723220 Y*O 20 07 02.9151256728 +27 23 22.056781596       18.396 17.226 ~ 1 0
104 [GWS2012] 1 Y*O 20 07 03.201 +27 28 55.58           ~ 1 0
105 2MASS J20070322+2730043 Y*O 20 07 03.2206377192 +27 30 04.187762316           ~ 3 0
106 2MASS J20070327+2728556 Y*O 20 07 03.271 +27 28 55.61           ~ 3 0
107 2MASS J20070334+2729545 Y*O 20 07 03.3377885280 +27 29 54.546727812           ~ 3 0
108 [GWS2012] 18149 Y*O 20 07 03.464 +27 29 52.39           ~ 1 0
109 [GWS2012] 18197 Y*O 20 07 03.633 +27 32 28.42           ~ 1 0
110 [GMM2009] IRAS 20050+2720 29 Y*O 20 07 03.78 +27 28 37.9           ~ 3 0
111 2MASS J20070380+2727104 Y*O 20 07 03.8049681048 +27 27 10.475458596           ~ 2 0
112 [GWS2012] 18243 Y*O 20 07 03.823 +27 36 48.73           ~ 1 0
113 2MASS J20070382+2730439 Y*O 20 07 03.8364046944 +27 30 43.979885172           ~ 3 0
114 [GWS2012] 18255 Y*O 20 07 03.882 +27 21 38.10           ~ 1 0
115 [GWS2012] 2 Y*O 20 07 04.072 +27 28 14.07           ~ 1 0
116 [GWS2012] 292 Y*O 20 07 04.277 +27 27 55.95           ~ 1 0
117 [GWS2012] 18360 Y*O 20 07 04.365 +27 25 33.37           ~ 1 0
118 2MASS J20070446+2729241 Y*O 20 07 04.4594432400 +27 29 24.044738964           ~ 2 0
119 [GWS2012] 18392 Y*O 20 07 04.460 +27 20 17.13           ~ 1 0
120 2MASS J20070453+2728584 Y*O 20 07 04.532 +27 28 58.48           ~ 3 0
121 2MASS J20070453+2732005 Y*O 20 07 04.537 +27 32 00.60           ~ 3 0
122 2MASS J20070467+2729308 Y*O 20 07 04.6751412024 +27 29 30.707895588           ~ 4 0
123 2MASS J20070489+2726066 Y*O 20 07 04.897 +27 26 06.65           ~ 1 0
124 2MASS J20070499+2728558 Y*O 20 07 04.993 +27 28 55.84           ~ 3 0
125 2MASS J20070510+2729197 Y*O 20 07 05.1209729112 +27 29 19.499681184           ~ 2 0
126 [GWS2012] 18559 Y*O 20 07 05.200 +27 32 56.82           ~ 1 0
127 2MASS J20070522+2731207 Y*O 20 07 05.225 +27 31 20.71           ~ 3 0
128 [GMM2009] IRAS 20050+2720 38 Y*O 20 07 05.36 +27 30 04.0           ~ 3 0
129 2MASS J20070539+2729276 Y*O 20 07 05.3894233920 +27 29 27.614822892       18.391 16.746 ~ 2 0
130 2MASS J20070539+2729044 Y*O 20 07 05.392 +27 29 04.40           ~ 3 0
131 2MASS J20070548+2723187 Y*O 20 07 05.4800172144 +27 23 18.762135648       17.169 15.576 ~ 2 0
132 2MASS J20070554+2727283 Y*O 20 07 05.542 +27 27 28.34           ~ 2 0
133 2MASS J20070567+2729329 Y*O 20 07 05.6778087768 +27 29 32.877798432       18.360 16.674 ~ 3 0
134 [GWS2012] 5 Y*O 20 07 05.845 +27 28 59.26           ~ 1 0
135 [GWS2012] 6 Y*O 20 07 05.96 +27 29 10.1           ~ 2 0
136 2MASS J20070599+2729009 Y*O 20 07 05.994 +27 29 00.92           ~ 2 0
137 [GWS2012] 18746 Y*O 20 07 06.028 +27 30 31.06           ~ 1 0
138 [CTG97] 7 Y*O 20 07 06.045 +27 28 56.70           ~ 3 0
139 [CTG97] 1 Y*O 20 07 06.099 +27 28 44.66           ~ 4 0
140 [GWS2012] 18795 Y*O 20 07 06.240 +27 35 37.09           ~ 1 0
141 [GWS2012] 9 Y*O 20 07 06.292 +27 28 48.55           ~ 1 0
142 [CTG97] 6 Y*O 20 07 06.372 +27 28 57.03           ~ 3 0
143 2MASS J20070640+2729283 Y*O 20 07 06.401 +27 29 28.39           ~ 3 0
144 [GWS2012] 10 Y*O 20 07 06.431 +27 29 22.47           ~ 1 0
145 IRAS 20050+2720 Y*O 20 07 06.549 +27 28 49.10           ~ 106 0
146 2MASS J20070656+2727193 Y*O 20 07 06.562 +27 27 19.32           ~ 1 0
147 [CTG97] 5 Y*O 20 07 06.574 +27 28 53.18           ~ 3 0
148 [GWS2012] 28 Y*O 20 07 06.6068690 +27 32 00.437113           ~ 2 0
149 2MASS J20070661+2729368 Y*O 20 07 06.6126037704 +27 29 36.767324976           ~ 3 0
150 NAME IRAS 20050+2720 Cluster Cl* 20 07 06.7 +27 28 53           ~ 83 0
151 2MASS J20070682+2727149 Y*O 20 07 06.822 +27 27 14.94           ~ 2 0
152 2MASS J20070689+2728119 Y*O 20 07 06.894 +27 28 11.97           ~ 2 0
153 2MASS J20070697+2729449 Y*O 20 07 06.9765148080 +27 29 44.808493344           ~ 3 0
154 [GWS2012] 18987 Y*O 20 07 07.017 +27 35 51.65           ~ 1 0
155 [GWS2012] 12 Y*O 20 07 07.112 +27 28 50.77           ~ 1 0
156 2MASS J20070713+2728264 Y*O 20 07 07.134 +27 28 26.49           ~ 3 0
157 2MASS J20070728+2728596 Y*O 20 07 07.283 +27 28 59.62           ~ 2 0
158 [GWS2012] 19068 Y*O 20 07 07.383 +27 31 26.72           ~ 1 0
159 [GWS2012] 19090 Y*O 20 07 07.478 +27 31 50.39           ~ 1 0
160 [GWS2012] 19145 Y*O 20 07 07.654 +27 27 51.43           ~ 1 0
161 2MASS J20070767+2730559 Y*O 20 07 07.679 +27 30 55.92           ~ 2 0
162 2MASS J20070770+2723207 Y*O 20 07 07.701 +27 23 20.73           ~ 3 0
163 2MASS J20070773+2728524 Y*O 20 07 07.737 +27 28 52.46           ~ 2 0
164 2MASS J20070782+2727522 Y*O 20 07 07.8231258120 +27 27 52.455195432           ~ 3 0
165 2MASS J20070790+2729019 Y*O 20 07 07.904 +27 29 01.93           ~ 3 0
166 2MASS J20070794+2732252 Y*O 20 07 07.941 +27 32 25.28           ~ 3 0
167 [GWS2012] 19231 Y*O 20 07 08.005 +27 31 51.06           ~ 1 0
168 [GWS2012] 16 Y*O 20 07 08.20 +27 28 39.5           ~ 2 0
169 [GWS2012] 19275 Y*O 20 07 08.232 +27 24 26.28           ~ 1 0
170 2MASS J20070825+2728255 Y*O 20 07 08.252 +27 28 25.53           ~ 3 0
171 2MASS J20070835+2729163 Y*O 20 07 08.3494328112 +27 29 16.270015308           ~ 2 0
172 2MASS J20070842+2730035 Y*O 20 07 08.4213547272 +27 30 03.534726240       18.097 16.401 ~ 2 0
173 2MASS J20070846+2728446 Y*O 20 07 08.466 +27 28 44.64           ~ 3 0
174 2MASS J20070888+2724405 Y*O 20 07 08.881 +27 24 40.52           ~ 1 0
175 [GWS2012] 19467 Y*O 20 07 08.972 +27 31 44.22           ~ 1 0
176 2MASS J20070910+2723118 Y*O 20 07 09.101 +27 23 11.82           ~ 2 0
177 [GWS2012] 19611 Y*O 20 07 09.602 +27 33 56.29           ~ 1 0
178 [GWS2012] 19612 Y*O 20 07 09.609 +27 32 58.96           ~ 1 0
179 [GWS2012] 19615 Y*O 20 07 09.68138 +27 21 45.7611           ~ 2 0
180 2MASS J20071018+2727097 Y*O 20 07 10.188 +27 27 09.77           ~ 4 0
181 [GWS2012] 19781 Y*O 20 07 10.195 +27 33 49.57           ~ 1 0
182 [GWS2012] 17 Y*O 20 07 10.32 +27 28 53.8           ~ 2 0
183 [GWS2012] 19949 Y*O 20 07 10.767 +27 33 58.58           ~ 1 0
184 [GWS2012] 19957 Y*O 20 07 10.781 +27 31 31.70           ~ 1 0
185 [GWS2012] 19963 Y*O 20 07 10.818 +27 22 45.37           ~ 1 0
186 [GWS2012] 20043 Y*O 20 07 11.104 +27 22 56.99           ~ 1 0
187 [GWS2012] 20060 Y*O 20 07 11.177 +27 22 10.25           ~ 1 0
188 [GWS2012] 20068 Y*O 20 07 11.206 +27 26 09.83           ~ 1 0
189 [GWS2012] 20081 Y*O 20 07 11.272 +27 32 17.00           ~ 1 0
190 [GWS2012] 20135 Y*O 20 07 11.470 +27 30 59.22           ~ 1 0
191 2MASS J20071150+2728245 Y*O 20 07 11.502 +27 28 24.50           ~ 3 0
192 [GWS2012] 20145 Y*O 20 07 11.521 +27 34 54.06           ~ 1 0
193 [GWS2012] 18 Y*O 20 07 11.675 +27 28 41.12           ~ 1 0
194 2MASS J20071178+2726457 Y*O 20 07 11.783 +27 26 45.70           ~ 1 0
195 [GWS2012] 20302 Y*O 20 07 12.151 +27 24 17.38           ~ 1 0
196 [GWS2012] 20310 Y*O 20 07 12.187 +27 35 10.11           ~ 1 0
197 2MASS J20071226+2736593 Y*O 20 07 12.2658349320 +27 36 59.320398060   17.211 15.092 13.863 12.676 ~ 1 0
198 [GWS2012] 303 Y*O 20 07 12.349 +27 32 25.71           ~ 1 0
199 2MASS J20071293+2733260 Y*O 20 07 12.9368735280 +27 33 25.967680416 14.206 14.023 13.254 12.829 12.421 ~ 1 0
200 [GWS2012] 20498 Y*O 20 07 12.986 +27 33 00.81           ~ 1 0
201 [GWS2012] 20511 Y*O 20 07 13.037 +27 31 59.64           ~ 1 0
202 [GWS2012] 20540 Y*O 20 07 13.147 +27 30 50.10           ~ 1 0
203 2MASS J20071325+2724055 Y*O 20 07 13.2555185592 +27 24 05.609766672   17.250 15.674 14.583 13.092 ~ 1 0
204 [GWS2012] 20677 Y*O 20 07 13.601 +27 28 00.54           ~ 1 0
205 2MASS J20071451+2724268 Y*O 20 07 14.5114219224 +27 24 26.893430964           ~ 2 0
206 [GWS2012] 21040 Y*O 20 07 14.963 +27 21 36.69           ~ 1 0
207 [GWS2012] 21054 Y*O 20 07 15.044 +27 23 45.12           ~ 1 0
208 [GWS2012] 21286 Y*O 20 07 15.864 +27 28 14.72           ~ 1 0
209 [GWS2012] 21397 Y*O 20 07 16.267 +27 28 54.16           ~ 1 0
210 [GWS2012] 21463 Y*O 20 07 16.509 +27 32 17.11           ~ 1 0
211 HD 339537 Y*O 20 07 16.8289455504 +27 22 51.836660616 11.155 11.06 10.627 10.381 10.084 F8 5 0
212 [GWS2012] 21582 Y*O 20 07 16.93620 +27 29 59.6642           ~ 2 0
213 2MASS J20071694+2728212 Y*O 20 07 16.9465136736 +27 28 21.241955568 15.562 15.119 14.184 13.710 13.265 ~ 2 0
214 [GWS2012] 21635 Y*O 20 07 17.102 +27 26 23.97           ~ 1 0
215 [GWS2012] 21643 Y*O 20 07 17.131 +27 20 25.79           ~ 1 0
216 2MASS J20071723+2731252 Y*O 20 07 17.2498777536 +27 31 25.027555980       18.592 17.257 ~ 1 0
217 [GWS2012] 21702 Y*O 20 07 17.351 +27 31 21.10           ~ 1 0
218 [GWS2012] 21762 Y*O 20 07 17.556 +27 32 31.28           ~ 1 0
219 2MASS J20071762+2732210 Y*O 20 07 17.6258826384 +27 32 21.016282596   17.080 16.022 15.428 14.862 ~ 1 0
220 [GWS2012] 21848 Y*O 20 07 17.886 +27 20 18.20           ~ 1 0
221 [GWS2012] 21894 Y*O 20 07 18.054 +27 26 45.35           ~ 1 0
222 [GWS2012] 21925 Y*O 20 07 18.193 +27 26 10.26           ~ 1 0
223 [GWS2012] 21926 Y*O 20 07 18.193 +27 27 27.70           ~ 1 0
224 [GWS2012] 21937 Y*O 20 07 18.230 +27 32 55.80           ~ 1 0
225 [GWS2012] 21949 Y*O 20 07 18.274 +27 31 33.49           ~ 1 0
226 2MASS J20071835+2729528 Y*O 20 07 18.3474615048 +27 29 52.875195432           ~ 1 0
227 [GWS2012] 21999 Y*O 20 07 18.413 +27 25 42.19           ~ 1 0
228 [GWS2012] 22093 Y*O 20 07 18.787 +27 29 08.78           ~ 1 0
229 2MASS J20071921+2731496 Y*O 20 07 19.215 +27 31 49.67           ~ 1 0
230 2MASS J20071927+2717395 Y*O 20 07 19.2808124592 +27 17 39.324892884           ~ 1 0
231 [GWS2012] 22263 Y*O 20 07 19.439 +27 34 24.59           ~ 1 0
232 [GWS2012] 22303 Y*O 20 07 19.570 +27 27 28.18           ~ 1 0
233 2MASS J20071969+2724389 Y*O 20 07 19.6898399640 +27 24 39.061875780 15.584 14.941 13.950 13.452 12.974 ~ 2 0
234 [GWS2012] 22445 Y*O 20 07 20.171 +27 32 53.97           ~ 1 0
235 2MASS J20072041+2721572 Y*O 20 07 20.4122930736 +27 21 57.209156928   18.284 17.094 16.386 15.813 ~ 1 0
236 2MASS J20072114+2731523 Y*O 20 07 21.1501363128 +27 31 52.311244944       16.782 15.824 ~ 1 0
237 [GWS2012] 22710 Y*O 20 07 21.196 +27 31 33.20           ~ 1 0
238 [GWS2012] 22712 Y*O 20 07 21.211 +27 26 44.75           ~ 1 0
239 2MASS J20072135+2728232 Y*O 20 07 21.3422002968 +27 28 23.219617836           ~ 1 0
240 2MASS J20072144+2730149 Y*O 20 07 21.4384708104 +27 30 14.862530052       16.330 14.811 ~ 1 0
241 [GWS2012] 22763 Y*O 20 07 21.453 +27 25 08.74           ~ 1 0
242 2MASS J20072152+2730216 Y*O 20 07 21.5285060184 +27 30 21.765576060           ~ 2 0
243 2MASS J20072173+2725143 Y*O 20 07 21.7496824992 +27 25 14.684610720           ~ 1 0
244 [GWS2012] 22897 Y*O 20 07 21.900 +27 33 25.27           ~ 1 0
245 [GWS2012] 22945 Y*O 20 07 22.075 +27 26 58.46           ~ 1 0
246 [GWS2012] 23029 Y*O 20 07 22.339 +27 34 20.63           ~ 1 0
247 [GWS2012] 23091 Y*O 20 07 22.551 +27 30 18.35           ~ 1 0
248 [GWS2012] 23133 Y*O 20 07 22.720 +27 32 35.19           ~ 1 0
249 2MASS J20072306+2730483 Y*O 20 07 23.065 +27 30 48.33           ~ 1 0
250 2MASS J20072325+2731428 Y*O 20 07 23.252 +27 31 42.83           ~ 2 0
251 2MASS J20072329+2725326 Y*O 20 07 23.2928294280 +27 25 32.587521636       18.694 16.741 ~ 2 0
252 [GWS2012] 23282 Y*O 20 07 23.306 +27 36 00.37           ~ 1 0
253 2MASS J20072340+2730461 Y*O 20 07 23.408 +27 30 46.10           ~ 1 0
254 [GWS2012] 23440 Y*O 20 07 23.899 +27 34 05.44           ~ 1 0
255 [GWS2012] 23449 Y*O 20 07 23.928 +27 21 17.28           ~ 1 0
256 [GWS2012] 23482 Y*O 20 07 24.067 +27 24 02.04           ~ 1 0
257 [GWS2012] 23589 Y*O 20 07 24.397 +27 27 15.47           ~ 1 0
258 HD 339533 * 20 07 24.7058540928 +27 33 03.932300520 10.767 10.62 10.216 10.000 9.767 F0 3 0
259 [GWS2012] 23702 Y*O 20 07 24.800 +27 22 55.91           ~ 1 0
260 [GWS2012] 23723 Y*O 20 07 24.880 +27 27 28.69           ~ 1 0
261 2MASS J20072508+2726383 Y*O 20 07 25.0789582992 +27 26 38.326346844           ~ 1 0
262 [GWS2012] 23783 Y*O 20 07 25.129 +27 30 47.14           ~ 1 0
263 [GWS2012] 23794 Y*O 20 07 25.188 +27 28 07.20           ~ 1 0
264 2MASS J20072548+2731200 Y*O 20 07 25.4786286600 +27 31 20.109669240 15.195 14.411 13.413 12.866 12.374 ~ 1 0
265 [GWS2012] 23895 Y*O 20 07 25.510 +27 28 14.64           ~ 1 0
266 [GWS2012] 23918 Y*O 20 07 25.598 +27 34 52.18           ~ 1 0
267 2MASS J20072562+2731288 Y*O 20 07 25.622 +27 31 28.84           ~ 1 0
268 [GWS2012] 23983 Y*O 20 07 25.825 +27 30 03.78           ~ 1 0
269 [GWS2012] 23991 Y*O 20 07 25.847 +27 34 00.16           ~ 1 0
270 [GWS2012] 24066 Y*O 20 07 26.148 +27 25 45.25           ~ 1 0
271 2MASS J20072627+2721405 Y*O 20 07 26.2524940392 +27 21 40.736188188           ~ 1 0
272 [GWS2012] 24159 Y*O 20 07 26.492 +27 22 50.74           ~ 1 0
273 [GWS2012] 24191 Y*O 20 07 26.623 +27 30 40.40           ~ 1 0
274 [GWS2012] 24209 Y*O 20 07 26.697 +27 28 06.47           ~ 1 0
275 [GWS2012] 24297 Y*O 20 07 27.048 +27 32 51.59           ~ 1 0
276 [GWS2012] 24319 Y*O 20 07 27.107 +27 34 48.32           ~ 1 0
277 [GWS2012] 24387 Y*O 20 07 27.356 +27 24 04.20           ~ 1 0
278 [GWS2012] 24463 Y*O 20 07 27.620 +27 29 27.44           ~ 1 0
279 [GWS2012] 24526 Y*O 20 07 27.854 +27 27 03.83           ~ 1 0
280 [GWS2012] 24568 Y*O 20 07 28.044 +27 23 07.40           ~ 1 0
281 [GWS2012] 24712 Y*O 20 07 28.594 +27 26 29.47           ~ 1 0
282 2MASS J20072860+2729440 Y*O 20 07 28.6199498160 +27 29 44.047185036           ~ 1 0
283 [GWS2012] 24731 Y*O 20 07 28.674 +27 24 56.09           ~ 1 0
284 [GWS2012] 24740 Y*O 20 07 28.704 +27 22 39.82           ~ 1 0
285 [GWS2012] 24751 Y*O 20 07 28.747 +27 26 20.12           ~ 1 0
286 [GWS2012] 24801 Y*O 20 07 28.953 +27 28 15.66           ~ 1 0
287 2MASS J20072922+2728359 Y*O 20 07 29.2143022152 +27 28 35.865033528           ~ 1 0
288 2MASS J20072931+2728179 Y*O 20 07 29.3122556016 +27 28 17.985616392       18.108 16.982 ~ 2 0
289 2MASS J20072939+2731036 Y*O 20 07 29.3999973192 +27 31 03.421749036           ~ 1 0
290 [GWS2012] 24985 Y*O 20 07 29.612 +27 31 39.50           ~ 1 0
291 [GWS2012] 25109 Y*O 20 07 30.095 +27 21 26.80           ~ 1 0
292 [GWS2012] 25344 Y*O 20 07 31.091 +27 26 53.16           ~ 1 0
293 [GWS2012] 25358 Y*O 20 07 31.150 +27 23 19.80           ~ 1 0
294 2MASS J20073131+2728401 Y*O 20 07 31.3056932136 +27 28 40.168678728           ~ 1 0
295 2MASS J20073135+2733399 Y*O 20 07 31.3498994184 +27 33 40.064270112           ~ 2 0
296 2MASS J20073137+2736541 Y*O 20 07 31.3712608152 +27 36 54.099109512       16.778 15.310 ~ 1 0
297 2MASS J20073167+2729344 Y*O 20 07 31.6636734033 +27 29 34.310943427           ~ 2 0
298 [GWS2012] 25488 Y*O 20 07 31.699 +27 29 25.58           ~ 1 0
299 [GWS2012] 25617 Y*O 20 07 32.197 +27 32 00.95           ~ 1 0
300 2MASS J20073221+2725010 Y*O 20 07 32.2205608728 +27 25 00.650023320           ~ 1 0
301 2MASS J20073224+2734331 Y*O 20 07 32.2419522240 +27 34 33.091080132       18.178 16.361 ~ 1 0
302 [GWS2012] 25877 Y*O 20 07 33.150 +27 30 54.40           ~ 1 0
303 [GWS2012] 25901 Y*O 20 07 33.281 +27 28 24.70           ~ 1 0
304 [GWS2012] 25924 Y*O 20 07 33.354 +27 36 20.97           ~ 1 0
305 2MASS J20073369+2730178 Y*O 20 07 33.6986606280 +27 30 17.889379164           ~ 2 0
306 [GWS2012] 26081 Y*O 20 07 33.918 +27 34 33.19           ~ 1 0
307 2MASS J20073451+2732259 Y*O 20 07 34.5059874264 +27 32 25.967522112       15.852 14.373 ~ 1 0
308 2MASS J20073477+2733141 Y*O 20 07 34.7747875368 +27 33 14.096278116           ~ 1 0
309 [GWS2012] 26297 Y*O 20 07 34.775 +27 25 29.36           ~ 1 0
310 [GWS2012] 26322 Y*O 20 07 34.871 +27 30 00.98           ~ 1 0
311 [GWS2012] 26597 Y*O 20 07 35.889 +27 30 56.52           ~ 1 0
312 [GWS2012] 26677 Y*O 20 07 36.174 +27 26 01.05           ~ 1 0
313 2MASS J20073636+2733048 Y*O 20 07 36.3578648712 +27 33 04.859267652           ~ 1 0
314 2MASS J20073727+2727465 Y*O 20 07 37.270 +27 27 46.54           ~ 1 0
315 [GWS2012] 26960 Y*O 20 07 37.302 +27 27 20.12           ~ 1 0
316 [GWS2012] 26998 Y*O 20 07 37.405 +27 31 18.88           ~ 1 0
317 2MASS J20073745+2733216 Y*O 20 07 37.4545903584 +27 33 21.596534784           ~ 1 0
318 [GWS2012] 27034 Y*O 20 07 37.529 +27 25 15.68           ~ 1 0
319 2MASS J20073793+2727140 Y*O 20 07 37.9314534408 +27 27 14.086323432           ~ 1 0
320 2MASS J20073811+2725282 Y*O 20 07 38.1734841144 +27 25 28.318182384           ~ 1 0
321 [GWS2012] 27258 Y*O 20 07 38.350 +27 24 36.67           ~ 1 0
322 2MASS J20073850+2732322 Y*O 20 07 38.5032340104 +27 32 32.333971776           ~ 1 0
323 [GWS2012] 321 Y*O 20 07 38.547 +27 29 34.50           ~ 1 0
324 2MASS J20073882+2733538 Y*O 20 07 38.823 +27 33 53.87           ~ 1 0
325 [GWS2012] 241 Y*O 20 07 39.024 +27 33 49.03           ~ 1 0
326 2MASS J20073940+2736046 Y*O 20 07 39.3927834888 +27 36 04.389776208           ~ 1 0
327 2MASS J20073948+2733297 Y*O 20 07 39.487 +27 33 29.74           ~ 1 0
328 [GWS2012] cluster core E As* 20 07 40 +27 33.0           ~ 2 0
329 [GWS2012] 27694 Y*O 20 07 40.063 +27 25 47.89           ~ 1 0
330 2MASS J20074021+2733230 Y*O 20 07 40.1870197608 +27 33 22.654619784           ~ 1 0
331 2MASS J20074027+2734217 Y*O 20 07 40.2721329264 +27 34 21.733172724           ~ 1 0
332 [GWS2012] 27983 Y*O 20 07 41.206 +27 35 04.53           ~ 1 0
333 [GWS2012] 28065 Y*O 20 07 41.543 +27 28 49.77           ~ 1 0
334 2MASS J20074156+2733445 Y*O 20 07 41.5597234176 +27 33 44.520921288       18.665 16.938 ~ 1 0
335 2MASS J20074169+2732073 Y*O 20 07 41.6881393920 +27 32 07.353211236           ~ 1 0
336 [GWS2012] 28116 Y*O 20 07 41.719 +27 24 06.27           ~ 1 0
337 2MASS J20074193+2729538 Y*O 20 07 41.9264221296 +27 29 53.787240384           ~ 2 0
338 [GWS2012] 28167 Y*O 20 07 41.960 +27 24 49.94           ~ 1 0
339 2MASS J20074225+2728299 Y*O 20 07 42.2554225272 +27 28 29.952291216           ~ 2 0
340 HD 339539 * 20 07 42.8957116728 +27 23 19.988934036 12.052 11.875 11.209 10.906 10.563 F5 2 0
341 [GWS2012] 28438 Y*O 20 07 43.008 +27 34 36.01           ~ 1 0
342 [GWS2012] 28502 Y*O 20 07 43.249 +27 19 37.76           ~ 1 0
343 [GWS2012] 28531 Y*O 20 07 43.330 +27 37 51.24           ~ 1 0
344 [GWS2012] 28699 Y*O 20 07 44.033 +27 35 20.43           ~ 1 0
345 [GWS2012] 28901 Y*O 20 07 44.912 +27 29 19.20           ~ 1 0
346 [GWS2012] 29141 Y*O 20 07 45.908 +27 21 40.82           ~ 1 0
347 [GWS2012] 29403 Y*O 20 07 47.088 +27 24 08.49           ~ 1 0
348 [GWS2012] 29563 Y*O 20 07 47.717 +27 29 19.60           ~ 1 0
349 2MASS J20074826+2732445 Y*O 20 07 48.2582083656 +27 32 44.586259008       16.759 15.541 ~ 1 0
350 2MASS J20074844+2725443 Y*O 20 07 48.442 +27 25 44.37 15.361 14.993 14.045 13.544 13.058 ~ 1 0
351 [GWS2012] 29852 Y*O 20 07 48.992 +27 33 50.77           ~ 1 0
352 2MASS J20075038+2734276 Y*O 20 07 50.3859111888 +27 34 27.549171588           ~ 1 0
353 [GWS2012] 30364 Y*O 20 07 51.101 +27 25 29.24           ~ 1 0
354 [GWS2012] 30390 Y*O 20 07 51.218 +27 23 51.31           ~ 1 0
355 [GWS2012] 30589 Y*O 20 07 52.104 +27 27 11.71           ~ 1 0
356 2MASS J20075220+2732326 Y*O 20 07 52.1739690224 +27 32 32.665495707       17.400 15.754 ~ 2 0
357 [GWS2012] 31022 Y*O 20 07 54.009 +27 29 28.49           ~ 1 0
358 [GWS2012] 31028 Y*O 20 07 54.024 +27 22 54.72           ~ 1 0
359 [GWS2012] 31106 Y*O 20 07 54.368 +27 28 00.67           ~ 1 0
360 2MASS J20075517+2733164 Y*O 20 07 55.1554085472 +27 33 16.468692300       18.694 17.011 ~ 1 0
361 2MASS J20075851+2722550 Y*O 20 07 58.4990905632 +27 22 55.130330352 15.060 14.701 13.806 13.313 12.848 ~ 1 0
362 [GWS2012] 32332 Y*O 20 07 59.927 +27 26 50.44           ~ 1 0
363 [GWS2012] 32445 Y*O 20 08 00.520 +27 21 52.43           ~ 1 0
364 [GWS2012] 32824 Y*O 20 08 02.270 +27 28 18.58           ~ 1 0
365 NAME Northern Coalsack DNe 20 21 +37.0           ~ 117 0
366 NAME Cyg X BL? 20 30 04.7973633 +40 51 36.002197           ~ 845 1
367 NAME Cepheus A SFR 22 56 17.9 +62 01 49           ~ 741 2
368 NAME Cep B cor 22 57 07.00 +62 37 22.3           ~ 86 0

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