2007ApJ...654..316G

Query : 2007ApJ...654..316G

2007ApJ...654..316G - Astrophys. J., 654, 316-337 (2007/January-1)

X-ray study of triggered star formation and protostars in IC 1396N.

GETMAN K.V., FEIGELSON E.D., GARMIRE G., BROOS P. and WANG J.

Abstract (from CDS):

The IC 1396N cometary globule (CG) within the large nearby H II region IC 1396 has been observed with the ACIS detector on board the Chandra X-Ray Observatory. We detect 117 X-ray sources, of which ∼50-60 are likely members of the young open cluster Trumpler 37 dispersed throughout the H II region, and 25 are associated with young stars formed within the globule. Infrared photometry (2MASS and Spitzer) shows that the X-ray population is very young: 3 older Class III stars, 16 classical T Tauri stars, and 6 protostars including a Class 0/I system. We infer a total T Tauri population of ∼30 stars in the globule, including the undetected population, with a star formation efficiency of 1%-4%. An elongated source spatial distribution with an age gradient oriented toward the exciting star is discovered in the X-ray population of IC 1396N, supporting similar findings in other cometary globules. The geometric and age distribution is consistent with the radiation-driven implosion (RDI) model for triggered star formation in CGs by H II region shocks. The inferred velocity of the shock front propagating into the globule is ∼0.6 km/s. The large number of X-ray-luminous protostars in the globule suggests either an unusually high ratio of Class I/0 to Class II/III stars or a nonstandard initial mass function favoring higher mass stars by the triggering process. We find that the Chandra source associated with the luminous Class 0/I protostar IRAS 21391+5802 is one of the youngest stars ever detected in the X-ray band. We also establish for the first time that the X-ray absorption in protostars arises from the local infalling envelopes rather than from ambient molecular cloud material.

Abstract Copyright: ∼

Journal keyword(s): ISM: H II Regions - ISM: Globules - open clusters and associations: individual (IC 1396) - Stars: Formation - Stars: Pre-Main-Sequence - X-Rays: Stars

VizieR on-line data: <Available at CDS (J/ApJ/654/316): table1.dat table2.dat table3.dat>

Nomenclature: Table 1: [GFG2007] NNN (Nos 1-117).

CDS comments: Table 5: Objects CRBR NN are not identified (format CRBR MMSS.s-MMSS in SIMBAD).

Simbad objects: 219

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Number of rows : 219
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 IC 1848 OpC 02 51 25.2 +60 25 08   6.87 6.5     ~ 491 2
2 LDN 1448 DNe 03 22.5 +30 35           ~ 515 0
3 LDN 1448NW Y*O 03 25 35.66 +30 45 34.2           ~ 71 0
4 JCMTSE J032536.1+304514 Y*O 03 25 36.22 +30 45 15.7           ~ 127 0
5 LDN 1448NA smm 03 25 36.49 +30 45 22.2           ~ 184 1
6 [SDA2014] West4 Y*O 03 25 38.83 +30 44 06.2           ~ 256 1
7 IRAS F03226+3033 Y*O 03 25 38.83 +30 44 06.2           ~ 335 0
8 IRAS 03256+3055 Y*O 03 28 45.306 +31 05 42.05           ~ 52 3
9 IRAS 03258+3104 Y*O 03 28 55.30 +31 14 27.8           ~ 168 1
10 [JCC87] IRAS 2A Y*O 03 28 55.55 +31 14 36.7           ~ 459 3
11 [JCC87] IRAS 4A Y*O 03 29 10.49 +31 13 30.8           ~ 715 1
12 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 478 0
13 [JCC87] IRAS 4B Y*O 03 29 12.058 +31 13 02.05           ~ 600 0
14 NAME HH 211-mm Y*O 03 43 56.816 +32 00 50.06           ~ 63 1
15 NAME IC 348 MMS cor 03 43 56.84 +32 03 04.7           ~ 80 1
16 LDN 1527 DNe 04 39 53 +25 45.0           ~ 635 0
17 M 42 HII 05 35 17 -05 23.4           ~ 4075 0
18 NAME Ori Complex Cld 05 35.3 -05 23           ~ 441 0
19 OMC 3 MoC 05 35 20.0 -05 01 00           ~ 273 1
20 HOPS 87 Y*O 05 35 23.500 -05 01 29.58           ~ 104 0
21 [TSO2008] 18 mm 05 35 26.0 -05 05 42           ~ 43 1
22 OMC 2 MoC 05 35 27 -05 10.1           ~ 450 1
23 GBS-VLA J053622.86-064606.6 Y*O 05 36 22.84 -06 46 06.2           ~ 107 0
24 NAME Ori A MoC 05 38 -07.1           ~ 3012 0
25 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1190 2
26 [MCK88] NGC 2024 FIR 5 cor 05 41 44.6 -01 55 38           ~ 93 0
27 [MCK88] NGC 2024 FIR 6 IR 05 41 45.00 -01 56 01.0           ~ 55 0
28 NAME HH 25MMS Y*O 05 46 07.8 -00 13 41           ~ 59 0
29 HGBS J054608.3-001044 Y*O 05 46 08.8 -00 10 47           ~ 92 0
30 2MASS J05463064-0002349 Y*O 05 46 30.645 -00 02 34.97           ~ 33 0
31 NAME GUM Nebula ISM 07 43 -42.1           ~ 421 1
32 GUM 29 HII 10 24 14.6 -57 46 58           ~ 210 0
33 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1014 2
34 NGC 3603 OpC 11 15 10.8 -61 15 32           ~ 1067 1
35 GSS 30 Y*O 16 26 21.38160 -24 23 04.0524           ~ 210 1
36 [JJK2008] SMM J162622-24225 smm 16 26 21.60 -24 22 54.8           ~ 41 0
37 [CHG85] GSS 30 IRS 3 Y*O 16 26 21.77376 -24 22 51.3948           ~ 66 0
38 NAME VLA 1623-243 Y*O 16 26 26.42 -24 24 30.0           ~ 404 0
39 [SSG2006] MMS002 smm 16 26 26.50 -24 24 30.9           ~ 241 0
40 [GY92] 91 Y*O 16 26 40.46952 -24 27 14.4720           ~ 80 1
41 VSSG 30 Y*O 16 26 44.19504 -24 34 48.3492           ~ 135 0
42 [GY92] 197 Y*O 16 27 05.24616 -24 36 29.7936           ~ 69 1
43 Elia 2-29 Y*O 16 27 09.43032 -24 37 18.7716           ~ 283 1
44 WL 6 Y*O 16 27 21.80448 -24 29 53.3616           ~ 115 0
45 YLW 15 Y*O 16 27 26.906 -24 40 50.81           ~ 268 1
46 YLW 16A Y*O 16 27 28.02744 -24 39 33.5052           K8 194 0
47 YLW 16B Or* 16 27 29.43528 -24 39 16.1892           ~ 106 0
48 IRAS 16245-2423 TT* 16 27 37.1906433768 -24 30 35.025246828       16.66 14.67 B5-F2 307 0
49 YLW 45 Y*O 16 27 39.82824 -24 43 15.0672           ~ 115 0
50 YLW 52 Y*O 16 27 51.80472 -24 31 45.5304           ~ 70 0
51 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3631 1
52 IRAS 16293-2422 cor 16 32 22.56 -24 28 31.8           ~ 1252 1
53 [CLC98] TC3 PoC 18 02 07 -23 05.2           ~ 11 0
54 [CLC98] TC4 PoC 18 02 12.8 -23 05 47           ~ 12 0
55 M 20 OpC 18 02 42 -22 58.3           ~ 434 1
56 M 16 OpC 18 18 45.1 -13 47 31           ~ 1029 1
57 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1614 0
58 SH 2-68 N Y*O 18 29 48.09 +01 16 45.0           ~ 137 1
59 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1100 2
60 IRAS 18272+0114 Or* 18 29 49.13016 +01 16 20.6472           ~ 76 1
61 V* V370 Ser Or* 18 29 49.24584 +01 16 31.5480           ~ 31 0
62 2MASS J18294960+0117058 Y*O 18 29 49.602 +01 17 05.83           ~ 34 0
63 GCNM 23 Y*O 18 29 49.63 +01 15 21.9           ~ 273 2
64 SSTc2d J182949.6+011456 Y*O 18 29 49.70 +01 14 56.7           ~ 15 0
65 SSTc2d J182950.5+011417 Y*O 18 29 50.54 +01 14 16.9           ~ 3 0
66 V* V371 Ser Or* 18 29 51.21240 +01 16 39.4860           ~ 119 1
67 GBS-VLA J182952.22+011547.4 Y*O 18 29 52.20 +01 15 47.6           ~ 47 1
68 [ACA2003] Ser B 1 Y*O 18 29 52.85 +01 14 56.1           ~ 18 1
69 2MASS J18295318+0115458 Y*O 18 29 53.183 +01 15 45.82           ~ 6 0
70 2MASS J18295667+0112393 Y*O 18 29 56.674 +01 12 39.32           ~ 20 0
71 SSTc2d J182956.7+011321 V* 18 29 56.71 +01 13 20.6   16.62       ~ 6 1
72 2MASS J18295751+0113492 Y*O 18 29 57.510 +01 13 49.25           ~ 9 0
73 2MASS J18295760+0113004 Y*O 18 29 57.602 +01 13 00.42           ~ 36 3
74 2MASS J18295766+0113045 Y*O 18 29 57.661 +01 13 04.57           ~ 22 1
75 2MASS J18295876+0114257 Y*O 18 29 58.765 +01 14 25.78           ~ 25 1
76 GCNM 115 Y*O 18 29 59.02 +01 12 24.9           ~ 14 0
77 SSTc2d J182959.5+011159 cor 18 29 59.573 +01 11 58.39           ~ 25 0
78 SSTc2d J182959.9+011311 Y*O 18 29 59.92 +01 13 11.6           ~ 17 1
79 NAME Serpens IRS 7 IR 18 32 29 -02 04.2           ~ 3 0
80 NAME Corona Australis Cloud MoC 19 01 51 -36 58.9           ~ 490 0
81 [NWA2005] SMM 1B Y*O 19 01 56.41 -36 57 28.0           ~ 95 1
82 HD 206267 SB* 21 38 57.6195772032 +57 29 20.554016280 5.09 5.83 5.62   5.56 O6.0V((f))+O9:V 499 0
83 IC 1396 OpC 21 38 58.8 +57 30 50           ~ 496 1
84 2MASS J21392667+5812405 * 21 39 26.6787674352 +58 12 40.517244360           ~ 1 0
85 2MASS J21393680+5818272 * 21 39 36.8170924224 +58 18 27.469549476           ~ 1 0
86 [GFG2007] 3 X 21 39 40.325 +58 13 19.29           ~ 1 0
87 [GFG2007] 4 X 21 39 40.826 +58 18 16.81           ~ 1 0
88 [GFG2007] 5 X 21 39 43.924 +58 13 26.01           ~ 1 0
89 HD 239731 * 21 39 44.4352855080 +58 14 44.006171964 8.82 9.36 9.13     B5 21 0
90 HD 239731B * 21 39 45.0527713248 +58 14 50.528530752           ~ 1 0
91 2MASS J21394555+5816172 X 21 39 45.5659555848 +58 16 17.320361232           ~ 1 0
92 [GFG2007] 9 X 21 39 48.649 +58 20 30.31           ~ 1 0
93 [GFG2007] 10 X 21 39 49.340 +58 16 16.58           ~ 1 0
94 2MASS J21395001+5811503 * 21 39 50.0726628960 +58 11 50.084960856           ~ 1 0
95 [GFG2007] 12 X 21 39 51.698 +58 11 12.60           ~ 1 0
96 2MASS J21395268+5820047 X 21 39 52.6885153728 +58 20 04.750987848           ~ 1 0
97 [GFG2007] 14 X 21 39 53.25 +58 20 32.4           ~ 1 0
98 [GFG2007] 15 X 21 39 53.811 +58 12 40.69           ~ 1 0
99 2MASS J21395459+5816185 * 21 39 54.6113427576 +58 16 18.746097816           ~ 1 0
100 2MASS J21395480+5812009 * 21 39 54.8173840848 +58 12 00.945433728           ~ 1 0
101 2MASS J21395635+5813475 Y*O 21 39 56.356 +58 13 47.59   20.981 19.037   16.289 ~ 3 0
102 2MASS J21395651+5811136 Em* 21 39 56.5361205288 +58 11 13.701147468           ~ 4 0
103 [GFG2007] 20 Em* 21 39 58.4614973232 +58 12 14.779082664           ~ 4 0
104 2MASS J21400217+5811164 Em* 21 40 02.2030355016 +58 11 16.452160908           ~ 2 0
105 2MASS J21400244+5812237 * 21 40 02.4551218272 +58 12 23.768534016           ~ 1 0
106 [GFG2007] 23 X 21 40 02.627 +58 10 35.71           ~ 1 0
107 2MASS J21400298+5815097 Em* 21 40 03.0053501136 +58 15 09.807680340           ~ 2 0
108 2MASS J21400356+5811478 * 21 40 03.5889457416 +58 11 47.904835596           ~ 1 0
109 [GFG2007] 26 X 21 40 04.128 +58 14 56.68           ~ 1 0
110 [GFG2007] 27 X 21 40 06.063 +58 17 57.17           ~ 1 0
111 2MASS J21400633+5818233 * 21 40 06.3382949952 +58 18 23.403352032           ~ 1 0
112 [GFG2007] 29 * 21 40 09.1067155272 +58 14 09.542829912           ~ 1 0
113 2MASS J21401012+5816406 Em* 21 40 10.1408166720 +58 16 40.729016352           ~ 2 0
114 CXOU J214010.3+580900 LP? 21 40 10.3307307432 +58 09 00.148925448           ~ 3 0
115 [GFG2007] 32 X 21 40 10.463 +58 17 01.91           ~ 1 0
116 2MASS J21401056+5809270 Em* 21 40 10.5892582944 +58 09 26.935176672           ~ 3 0
117 2MASS J21401225+5813495 * 21 40 12.2735152272 +58 13 49.639538136           ~ 2 0
118 [GFG2007] 35 X 21 40 15.294 +58 21 56.55           ~ 1 0
119 [GFG2007] 36 X 21 40 16.080 +58 15 22.23           ~ 1 0
120 [GFG2007] 37 X 21 40 16.248 +58 12 08.06           ~ 1 0
121 [GFG2007] 38 X 21 40 17.28 +58 13 21.7           ~ 1 0
122 2MASS J21402034+5813235 * 21 40 20.3243190384 +58 13 23.655175068           ~ 1 0
123 [GFG2007] 40 X 21 40 26.882 +58 22 30.13           ~ 1 0
124 [OSP2002] BRC 38 2 Y*O 21 40 27.3283494888 +58 14 21.256784340   21.11 19.32 17.77 16.37 M1e 8 0
125 2MASS J21402800+5816381 Y*O 21 40 27.9814290864 +58 16 38.062747416           ~ 2 0
126 [GFG2007] 42 X 21 40 28.199 +58 19 05.78           ~ 1 0
127 2MASS J21402856+5822556 * 21 40 28.5649865136 +58 22 55.697204532           ~ 1 0
128 2MASS J21402865+5821574 * 21 40 28.6638090888 +58 21 57.452722956           ~ 1 0
129 2MASS J21402871+5820115 * 21 40 28.7134999560 +58 20 11.525109360           ~ 1 0
130 CXOU J214028.8+581754 X 21 40 28.807 +58 17 54.62           ~ 2 0
131 [GFG2007] 47 X 21 40 29.699 +58 16 45.97           ~ 1 0
132 2MASS J21403017+5809353 X 21 40 30.1871286240 +58 09 35.284723668           ~ 2 0
133 2MASS J21403159+5817551 Y*O 21 40 31.5978273696 +58 17 55.253122188   22.632 19.52 17.94 16.19 M1 6 0
134 CXOU J214032.8+581744 X 21 40 32.870 +58 17 44.29           ~ 2 0
135 2MASS J21403538+5812308 * 21 40 35.3960171760 +58 12 30.831640380           ~ 2 0
136 [GFG2007] 52 X 21 40 35.645 +58 24 35.49           ~ 1 0
137 2MASS J21403655+5813458 Y*O 21 40 36.5621936256 +58 13 45.919734600   20.58 18.43 16.94 15.42 M1e 7 0
138 2MASS J21403659+5811330 * 21 40 36.6024627024 +58 11 33.035622648           ~ 1 0
139 [OSP2002] BRC 38 6 Y*O 21 40 36.9154939776 +58 14 37.925007144   17.43 15.71 14.60 13.52 K2e 7 0
140 2MASS J21403827+5807266 * 21 40 38.2886639040 +58 07 26.481222732           ~ 1 0
141 [NMV2001] YSO 1 Y*O 21 40 38.8 +58 17 38           ~ 2 0
142 [GFG2007] 57 X 21 40 38.864 +58 19 22.49           ~ 1 0
143 CXOU J214038.9+581413 X 21 40 38.987 +58 14 13.93           ~ 2 0
144 [GFG2007] 59 X 21 40 39.178 +58 08 15.68           ~ 1 0
145 CXOU J214039.6+581609 Y*O 21 40 39.60 +58 16 09.0           ~ 4 0
146 2MASS J21403988+5818349 Y*O 21 40 39.884 +58 18 34.96           ~ 3 0
147 [NMV2001] YSO 4 Y*O 21 40 40.2 +58 16 46           ~ 2 0
148 2MASS J21404046+5818261 Y*O 21 40 40.468 +58 18 26.12           ~ 3 0
149 2MASS J21404100+5816121 Y*O 21 40 41.002 +58 16 12.14           ~ 7 0
150 2MASS J21404101+5816525 Y*? 21 40 41.011 +58 16 52.53           ~ 3 0
151 ATO J325.1712+58.2330 Y*? 21 40 41.1068058696 +58 13 58.987884864   19.41 17.49 16.21 14.73 M1 6 0
152 2MASS J21404116+5815112 Y*O 21 40 41.1651407760 +58 15 11.283089220   21.41 19.45 18.10 16.33 K4e 7 0
153 2MASS J21404115+5812013 * 21 40 41.1756082152 +58 12 01.378549872           ~ 4 0
154 2MASS J21404143+5816378 Y*O 21 40 41.438 +58 16 37.80           ~ 5 0
155 2MASS J21404156+5814255 Y*O 21 40 41.5689456672 +58 14 25.669216248   20.91 18.81 17.04 15.69 M0e 8 0
156 CXOU J214041.8+581612 X 21 40 41.816 +58 16 12.35           ~ 2 0
157 2MASS J21404191+5815230 Y*? 21 40 41.9247671376 +58 15 23.123919348           ~ 2 0
158 [BGE2002] BIMA 2 Y*O 21 40 42.36 +58 16 09.7           ~ 119 0
159 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 189 1
160 CXOU J214042.8+581601 X 21 40 42.894 +58 16 01.03           ~ 2 0
161 [NMV2001] YSO 9 Y*O 21 40 43.32 +58 17 16.5           ~ 3 0
162 [GFG2007] 69 X 21 40 43.473 +58 12 27.30           ~ 1 0
163 [GFG2007] 70 X 21 40 43.473 +58 15 59.78           ~ 1 0
164 2MASS J21404365+5816190 Y*O 21 40 43.650 +58 16 19.06           ~ 5 0
165 2MASS J21404433+5815133 Y*? 21 40 44.335 +58 15 13.36           ~ 3 0
166 2MASS J21404485+5815033 Y*O 21 40 44.8559626680 +58 15 03.402853056     20.49 18.77 17.09 K5e 6 0
167 2MASS J21404485+5816050 Y*O 21 40 44.857 +58 16 05.03           ~ 5 0
168 2MASS J21404517+5819506 Y*O 21 40 45.1784063904 +58 19 50.558738448     22.364   18.643 ~ 3 0
169 CXOU J214045.1+581559 X 21 40 45.183 +58 15 59.82           ~ 2 0
170 [NMV2001] YSO 12 Y*O 21 40 45.5 +58 16 27           ~ 2 0
171 2MASS J21404551+5815115 Y*? 21 40 45.5170766400 +58 15 11.608480368           ~ 3 0
172 2MASS J21404553+5816027 Y*? 21 40 45.537 +58 16 02.73           ~ 2 0
173 CXOU J214045.5+580846 X 21 40 45.554 +58 08 46.92           ~ 1 0
174 CXOU J214045.7+581549 X 21 40 45.792 +58 15 49.05           ~ 2 0
175 [NMV2001] YSO 13 Y*O 21 40 45.8 +58 15 41           ~ 2 0
176 2MASS J21404649+5815230 Y*? 21 40 46.4985194400 +58 15 23.165863236   19.08 17.16 15.90 14.55 K7 3 0
177 2MASS J21404688+5815334 G 21 40 46.8907832448 +58 15 33.444979344           ~ 3 0
178 [NMV2001] YSO 14 Y*O 21 40 47.1 +58 15 42           ~ 2 0
179 [NMV2001] YSO 15 Y*O 21 40 47.2 +58 17 01           ~ 2 0
180 CXOU J214047.3+582025 X 21 40 47.347 +58 20 25.53           ~ 1 0
181 2MASS J21404737+5816372 Y*O 21 40 47.371 +58 16 37.28           ~ 4 0
182 2MASS J21404762+5811328 * 21 40 47.6537950008 +58 11 32.888099004           ~ 2 0
183 2MASS J21404803+5815376 Y*O 21 40 48.0351741192 +58 15 37.741974732   21.69 19.81 17.90 16.00 M4 6 0
184 CXOU J214048.2+581746 X 21 40 48.202 +58 17 46.04           ~ 2 0
185 2MASS J21404860+5816009 Y*O 21 40 48.610 +58 16 00.96           ~ 4 0
186 2MASS J21404908+5817093 Y*O 21 40 49.0940935968 +58 17 09.428337600     21.541   17.932 ~ 6 0
187 [GFG2007] 88 X 21 40 49.287 +58 20 55.32           ~ 1 0
188 [GFG2007] 89 X 21 40 50.335 +58 08 09.68           ~ 1 0
189 CXOU J214054.6+581204 X 21 40 54.643 +58 12 04.76           ~ 1 0
190 [NMV2001] YSO 18 Y*O 21 40 55.1 +58 16 32           ~ 2 0
191 CXOU J214055.4+582051 X 21 40 55.440 +58 20 51.73           ~ 1 0
192 2MASS J21405643+5806037 * 21 40 56.4367533456 +58 06 03.655925064           ~ 2 0
193 [GFG2007] 93 X 21 40 57.241 +58 21 49.68           ~ 1 0
194 2MASS J21405730+5816419 Y*O 21 40 57.302 +58 16 41.93           ~ 3 0
195 [GFG2007] 94 X 21 40 59.725 +58 19 54.75           ~ 1 0
196 [GFG2007] 95 X 21 41 04.278 +58 11 30.79           ~ 1 0
197 CXOU J214104.8+582025 X 21 41 04.859 +58 20 25.26           ~ 1 0
198 CXOU J214105.6+581049 X 21 41 05.617 +58 10 49.21           ~ 1 0
199 2MASS J21410636+5816305 * 21 41 06.3689445576 +58 16 30.657196488           ~ 1 0
200 ATO J325.2778+58.1127 Em* 21 41 06.6998582592 +58 06 46.061259984           ~ 6 0
201 2MASS J21410840+5816356 * 21 41 08.4113246688 +58 16 35.694707304           ~ 1 0
202 2MASS J21410909+5810495 Em* 21 41 09.1046032152 +58 10 49.441658160           ~ 2 0
203 2MASS J21411114+5816240 * 21 41 11.1592051776 +58 16 24.142061424           ~ 1 0
204 [GFG2007] 103 X 21 41 13.936 +58 20 02.06           ~ 1 0
205 [GFG2007] 104 X 21 41 14.635 +58 15 03.06           ~ 1 0
206 2MASS J21411514+5806520 Em* 21 41 15.1442694768 +58 06 52.014319164           ~ 5 0
207 [GFG2007] 106 X 21 41 15.650 +58 19 33.53           ~ 1 0
208 Cl Trumpler 37 1030 * 21 41 15.8739423264 +58 14 53.675295720   12.60 12.05     F 4 0
209 [GFG2007] 108 X 21 41 16.281 +58 15 46.28           ~ 1 0
210 [GFG2007] 109 X 21 41 17.174 +58 17 43.47           ~ 1 0
211 [GFG2007] 110 X 21 41 20.484 +58 16 41.23           ~ 1 0
212 Cl* Trumpler 37 KUN 334 * 21 41 22.2131576688 +58 18 23.843673216   13.58 12.42     ~ 2 0
213 [GFG2007] 112 X 21 41 23.53 +58 15 37.1           ~ 1 0
214 [GFG2007] 113 X 21 41 32.388 +58 13 03.58           ~ 1 0
215 2MASS J21413560+5819193 X 21 41 35.5902173208 +58 19 19.387097508           ~ 1 0
216 [GFG2007] 115 X 21 41 35.817 +58 18 26.33           ~ 1 0
217 CXOU J214138.0+581759 X 21 41 38.1384646680 +58 17 59.930294100           ~ 1 0
218 CXOU J214148.5+581915 X 21 41 48.523 +58 19 15.62           ~ 1 0
219 Ass Cep OB 2 As* 21 51 +60.0           ~ 294 0

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