2018A&A...617A..65C


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.08CEST03:43:40

2018A&A...617A..65C - Astronomy and Astrophysics, volume 617A, 65-65 (2018/9-1)

The Arches cluster revisited. I. Data presentation and stellar census.

CLARK J.S., LOHR M.E., NAJARRO F., DONG H. and MARTINS F.

Abstract (from CDS):


Context. Located within the central region of the Galaxy, the Arches cluster appears to be one of the youngest, densest, and most massive stellar aggregates within the Milky Way. As such, it has the potential to be uniquely instructive laboratory for the study of star formation in extreme environments and the physics of very massive stars.
Aims. To realise this possibility, the fundamental physical properties of both cluster and constituent stars need to be robustly determined; tasks we attempt here.
Methods. In order to accomplish these goals we provide and analyse new multi-epoch near-IR spectroscopic data obtained with the VLT/SINFONI and photometry from the HST/WFC3. We are able to stack multiple epochs of spectroscopy for individual stars in order to obtain the deepest view of the cluster members ever obtained.
Results. We present spectral classifications for 88 cluster members, all of which are WNLh or O stars: a factor of three increase over previous studies. We find no further examples of Wolf-Rayet stars within the cluster; importantly no H-free examples were identified. The smooth and continuous progression in spectral morphologies from O super/hypergiants through to the WNLh cohort implies a direct evolutionary connection. We identify candidate giant and main sequence O stars spectroscopically for the first time. No products of binary evolution may be unambiguously identified despite the presence of massive binaries within the Arches.
Conclusions. Notwithstanding difficulties imposed by the highly uncertain (differential) reddening to the Arches, we infer a main sequence/luminosity class V turn-off mass of ∼30-38M via the distribution of spectral types. Analysis of the eclipsing binary F2 suggests current masses of ∼80M and ∼60M for the WNLh and O hypergiant cohorts, respectively; we conclude that all classified stars have masses >20M. An age of ∼2.0-3.3Myr is suggested by the turn-off between ∼O4-5 V; constraints imposed by the supergiant population and the lack of H-free WRs are consistent with this estimate. While the absence of highly evolved WC stars strongly argues against the prior occurrence of SNe within the Arches, the derived age does accommodate such events for exceptionally massive stars. Further progress will require quantitative analysis of multiple individual cluster members in addition to further spectroscopic observations to better constrain the binary and main sequence populations; nevertheless it is abundantly clear that the Arches offers an unprecedented insight into the formation, evolution and death of the most massive stars nature allows to form.

Abstract Copyright: © ESO 2018

Journal keyword(s): stars: early-type - stars: evolution - stars: Wolf-Rayet - open clusters and associations: general - Galaxy: nucleus - open clusters and associations: individual: Arches cluster

VizieR on-line data: <Available at CDS (J/A+A/617/A65): tablea1.dat>

Simbad objects: 225

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Number of rows : 225

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 LHA 115-S 18 Em* 00 54 09.5415603586 -72 41 43.291670748 12.94 13.48 13.82   12.55 B[e] 76 0
2 V* CC Cas bL* 03 14 05.3362562931 +59 33 48.488947721 7.07 7.56 7.08     O8.5III(n)((f)) 268 0
3 BD+56 864 SB* 03 59 18.2928342761 +57 14 13.753633333 10.837 9.93 9.80     O5.5V(n)+O6.5V(n) 42 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14826 1
5 RMC 139 WR* 05 38 42.3548071421 -69 04 58.201053806   12.04 11.94     O6.5Iafc+O6Iaf 86 0
6 RMC 136 Cl* 05 38 42.396 -69 06 03.36           ~ 1734 1
7 V* V712 Car bL* 10 23 58.0120989646 -57 45 48.938103165 15.466 15.473 13.5 12.6   O3If*/WN6+O3If*/WN6 147 1
8 WR 21a WR* 10 25 56.5023591737 -57 48 43.517827393     12.67     O2If*/WN5 80 0
9 HD 92740 WR* 10 41 17.5154230335 -59 40 36.897706569 5.68 6.50 6.42 7.38   WN7h+O9III-V 381 0
10 Cl Trumpler 14 OpC 10 43 56 -59 33.0   5.70 5.5     ~ 425 0
11 Cl Collinder 228 OpC 10 44 00 -60 05.2   4.58 4.4     ~ 189 0
12 Cl Trumpler 16 OpC 10 45 10 -59 43.0   5.35 5.0     ~ 424 0
13 Cl* NGC 3603 BLW A1 WR* 11 15 07.31 -61 15 38.4   12.32 11.18     WN6h 59 0
14 NGC 3603 OpC 11 15 18.6 -61 15 26           ~ 940 1
15 Cl Danks 1 OpC 13 12 27 -62 42.1           ~ 58 0
16 Cl Moffat 1 OpC 16 01 30 -54 07.0           ~ 14 0
17 HD 150135 * 16 41 19.4437431640 -48 45 47.570366793 6.19 7.00 6.88 7.33   O6.5V((f))z 106 0
18 HD 150136 SB* 16 41 20.4156742370 -48 45 46.728092318 4.98 5.78 5.65 6.93   O3.5-4III(f*)+O6IV 171 0
19 Cl Westerlund 1 OpC 16 47 04.00 -45 51 04.9           ~ 463 0
20 Cl* Westerlund 1 W 9 WR* 16 47 04.1422943113 -45 50 31.307461802   21.8 17.47 14.47 11.74 Be 46 0
21 Cl* Westerlund 1 W 13 EB* 16 47 06.4536718776 -45 50 26.067083031   21.1 17.19 14.63 12.06 BIa+ 28 0
22 HD 152248 bL* 16 54 10.0614779606 -41 49 30.143138696 5.56 6.15 6.088     O7Iabf+O7Ib(f) 228 0
23 HD 153919 HXB 17 03 56.7728262865 -37 50 38.912077679 6.06 6.78 6.51 6.08 5.90 O6Iafcp 756 1
24 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11535 0
25 [FNG2002] 141 * 17 45 48.83 -28 49 18.8           ~ 3 0
26 [FNG2002] 171 * 17 45 49.28 -28 49 12.1           ~ 2 0
27 [FNG2002] 129 * 17 45 49.53 -28 49 12.7           ~ 4 0
28 [FNG2002] 88 * 17 45 49.65 -28 49 17.2           ~ 3 0
29 [FNG2002] 103 * 17 45 49.68 -28 49 22.6           ~ 3 0
30 WR 102aa WR* 17 45 49.71 -28 49 25.4           WN8-9 20 0
31 [FNG2002] 190 * 17 45 49.76 -28 49 19.8           ~ 2 0
32 [FNG2002] 36 * 17 45 49.79 -28 49 07.9           ~ 4 0
33 [FNG2002] 19 Rad 17 45 49.82 -28 49 26.5           ~ 7 0
34 [FNG2002] 183 * 17 45 49.87 -28 49 42.3           ~ 2 0
35 [FNG2002] 107 * 17 45 49.87 -28 49 31.0           ~ 3 0
36 [FNG2002] 146 * 17 45 49.87 -28 49 14.9           ~ 2 0
37 [FNG2002] 106 * 17 45 49.89 -28 49 23.2           ~ 2 0
38 [FNG2002] 58 * 17 45 49.97 -28 49 19.6           ~ 3 0
39 [FNG2002] 91 * 17 45 49.98 -28 49 17.5           ~ 3 0
40 [FNG2002] 154 * 17 45 49.99 -28 49 33.2           ~ 3 0
41 [FNG2002] 186 * 17 45 50.00 -28 49 28.2           ~ 3 0
42 [FNG2002] 184 * 17 45 50.01 -28 49 29.4           ~ 3 0
43 [FNG2002] 25 * 17 45 50.01 -28 49 27.1           ~ 3 0
44 [FNG2002] 113 * 17 45 50.02 -28 49 17.5           ~ 3 0
45 [FNG2002] 192 * 17 45 50.05 -28 49 04.9           ~ 2 0
46 [FNG2002] 83 * 17 45 50.06 -28 49 20.7           ~ 3 0
47 [FNG2002] 71 * 17 45 50.06 -28 49 16.4           ~ 3 0
48 [FNG2002] 79 * 17 45 50.07 -28 49 18.1           ~ 3 0
49 [BSP2001] 30 Em* 17 45 50.08 -28 49 26.1           O4-6If 17 0
50 [FNG2002] 136 * 17 45 50.08 -28 49 27.8           ~ 3 0
51 [FNG2002] 65 * 17 45 50.08 -28 49 21.5           ~ 3 0
52 [DWC2011] 153 Em* 17 45 50.10 -28 49 24.1           ~ 7 0
53 [FNG2002] 50 * 17 45 50.13 -28 49 26.2           ~ 3 0
54 [FNG2002] 49 * 17 45 50.13 -28 49 07.8           ~ 3 0
55 [FNG2002] 61 * 17 45 50.14 -28 48 59.1           ~ 4 0
56 [BSP2001] 29 Em* 17 45 50.15 -28 49 26.8           ~ 10 0
57 [FNG2002] 24 * 17 45 50.15 -28 49 21.2           ~ 4 0
58 [FNG2002] 131 * 17 45 50.163 -28 49 27.46           ~ 3 0
59 [FNG2002] 173 * 17 45 50.20 -28 49 20.2           ~ 3 0
60 [FNG2002] 121 * 17 45 50.20 -28 49 19.6           ~ 3 0
61 [FNG2002] 138 * 17 45 50.21 -28 49 39.2           ~ 3 0
62 [FNG2002] 157 * 17 45 50.22 -28 49 24.2           ~ 3 0
63 WR 102ad WR* 17 45 50.22 -28 49 21.9           WN8-9 22 0
64 [FNG2002] 172 * 17 45 50.23 -28 49 17.5           ~ 2 0
65 [FNG2002] 70 * 17 45 50.25 -28 49 23.4           ~ 3 0
66 [FNG2002] 54 * 17 45 50.27 -28 49 15.8           ~ 2 0
67 WR 102ae WR* 17 45 50.28 -28 49 11.4           WN9h 33 0
68 [FNG2002] 185 * 17 45 50.28 -28 49 27.6           ~ 3 0
69 [FNG2002] 176 * 17 45 50.28 -28 49 23.9           ~ 3 0
70 [FNG2002] 30 * 17 45 50.28 -28 49 19.1           ~ 2 0
71 [BSP2001] 27 Em* 17 45 50.28 -28 49 17.2           O4-6I 9 0
72 [FNG2002] 180 * 17 45 50.28 -28 48 59.6           ~ 2 0
73 WR 102af WR* 17 45 50.290 -28 49 17.20           WN7-8 15 0
74 [FNG2002] 111 * 17 45 50.31 -28 49 03.9           ~ 4 0
75 [FNG2002] 76 * 17 45 50.34 -28 49 17.1           ~ 3 0
76 [FNG2002] 135 * 17 45 50.36 -28 49 25.7           ~ 2 0
77 [FNG2002] 42 * 17 45 50.36 -28 49 21.2           ~ 2 0
78 [FNG2002] 153 * 17 45 50.36 -28 49 20.0           ~ 2 0
79 [FNG2002] 122 * 17 45 50.36 -28 49 17.3           ~ 3 0
80 [FNG2002] 93 * 17 45 50.38 -28 49 22.8           ~ 3 0
81 [FNG2002] 169 * 17 45 50.38 -28 49 20.3           ~ 3 0
82 [FNG2002] 193 * 17 45 50.38 -28 49 09.6           ~ 2 0
83 WR 102ag WR* 17 45 50.40 -28 49 20.9           WN8-9 19 0
84 [FNG2002] 155 * 17 45 50.42 -28 49 19.1           ~ 2 0
85 [FNG2002] 41 * 17 45 50.43 -28 49 27.4           ~ 3 0
86 WR 102ah WR* 17 45 50.43 -28 49 21.9           WN8-9h 29 0
87 [FNG2002] 62 * 17 45 50.43 -28 49 16.6           ~ 2 0
88 [FNG2002] 163 * 17 45 50.44 -28 49 23.4           ~ 2 0
89 [FNG2002] 115 * 17 45 50.44 -28 49 20.0           ~ 2 0
90 [FNG2002] 118 * 17 45 50.45 -28 49 26.0           ~ 3 0
91 [FNG2002] 150 * 17 45 50.46 -28 49 19.6           ~ 3 0
92 [FNG2002] 196 * 17 45 50.46 -28 49 07.7           ~ 2 0
93 [FNG2002] 175 * 17 45 50.46 -28 49 03.3           ~ 2 0
94 WR 102ai WR* 17 45 50.47 -28 49 31.5           WN8-9 15 0
95 [FNG2002] 67 * 17 45 50.47 -28 49 15.1           ~ 3 0
96 WR 102aj WR* 17 45 50.48 -28 49 19.2           WN8-9h 24 0
97 [FNG2002] 31 * 17 45 50.48 -28 49 20.2           ~ 3 0
98 [FNG2002] 20 * 17 45 50.48 -28 49 20.2           O4-6I 7 0
99 [FNG2002] 85 * 17 45 50.48 -28 49 18.6           ~ 2 0
100 [FNG2002] 64 * 17 45 50.48 -28 49 16.7           ~ 2 0
101 [FNG2002] 134 * 17 45 50.50 -28 49 36.5           ~ 2 0
102 [FNG2002] 168 * 17 45 50.50 -28 49 30.2           ~ 3 0
103 NAME Arches Cluster Cl* 17 45 50.5 -28 49 28           ~ 629 0
104 [FNG2002] 45 * 17 45 50.50 -28 49 24.2           ~ 2 0
105 [FNG2002] 160 * 17 45 50.50 -28 49 15.8           ~ 3 0
106 [FNG2002] 112 * 17 45 50.51 -28 49 16.4           ~ 2 0
107 [FNG2002] 92 * 17 45 50.52 -28 49 21.4           ~ 3 0
108 [FNG2002] 109 * 17 45 50.52 -28 49 20.7           ~ 3 0
109 [FNG2002] 87 * 17 45 50.52 -28 49 16.6           ~ 2 0
110 [FNG2002] 66 * 17 45 50.53 -28 49 20.4           ~ 3 0
111 [BSP2001] 20 Em* 17 45 50.53 -28 49 18.4           O4-6I 10 0
112 [FNG2002] 84 * 17 45 50.53 -28 49 16.3           ~ 2 0
113 [FNG2002] 195 * 17 45 50.53 -28 49 15.3           ~ 2 0
114 [FNG2002] 194 * 17 45 50.53 -28 49 07.9           ~ 2 0
115 [FNG2002] 187 * 17 45 50.54 -28 49 23.3           ~ 2 0
116 WR 102ak WR* 17 45 50.54 -28 49 20.3           WN8-9 14 0
117 [FNG2002] 116 * 17 45 50.54 -28 49 06.3           ~ 4 0
118 [FNG2002] 43 * 17 45 50.55 -28 49 19.2           ~ 2 0
119 [FNG2002] 140 * 17 45 50.56 -28 49 18.5           ~ 3 0
120 [FNG2002] 90 * 17 45 50.57 -28 49 33.0           ~ 2 0
121 [FNG2002] 110 * 17 45 50.57 -28 49 16.4           ~ 2 0
122 [FNG2002] 181 * 17 45 50.57 -28 49 07.7           ~ 2 0
123 [FNG2002] 104 * 17 45 50.58 -28 49 43.8           ~ 2 0
124 [FNG2002] 95 * 17 45 50.58 -28 49 22.0           ~ 3 0
125 WR 102al WR* 17 45 50.58 -28 49 17.2           WN7-8 21 0
126 [FNG2002] 189 * 17 45 50.59 -28 49 23.5           ~ 3 0
127 [FNG2002] 182 * 17 45 50.59 -28 49 22.9           ~ 2 0
128 [FNG2002] 56 * 17 45 50.59 -28 49 22.2           ~ 3 0
129 [FNG2002] 80 * 17 45 50.59 -28 49 19.5           ~ 3 0
130 [FNG2002] 105 * 17 45 50.60 -28 49 39.6           ~ 2 0
131 [FNG2002] 130 * 17 45 50.60 -28 49 27.5           ~ 3 0
132 [FNG2002] 177 * 17 45 50.60 -28 49 16.9           ~ 2 0
133 [BSP2001] 18 Em* 17 45 50.61 -28 49 24.0           O4-6I 7 0
134 [FNG2002] 48 * 17 45 50.62 -28 49 27.0           ~ 3 0
135 [FNG2002] 156 * 17 45 50.64 -28 49 02.2           ~ 4 0
136 [FNG2002] 94 * 17 45 50.66 -28 49 28.0           ~ 3 0
137 [BSP2001] 16 Em* 17 45 50.66 -28 49 20.0           ~ 7 0
138 [FNG2002] 73 * 17 45 50.68 -28 49 25.6           ~ 3 0
139 [BSP2001] 15 Em* 17 45 50.68 -28 49 20.3           O4-6I 7 0
140 [FNG2002] 166 * 17 45 50.68 -28 49 19.6           ~ 3 0
141 [FNG2002] 149 * 17 45 50.68 -28 49 01.6           ~ 3 0
142 [FNG2002] 123 * 17 45 50.685 -28 49 22.35           ~ 3 0
143 [FNG2002] 152 * 17 45 50.69 -28 49 36.6           ~ 3 0
144 [FNG2002] 120 * 17 45 50.69 -28 49 30.0           ~ 3 0
145 [FNG2002] 142 * 17 45 50.69 -28 49 24.9           ~ 3 0
146 WR 102ba WR* 17 45 50.69 -28 49 22.2           WN8-9 15 0
147 [FNG2002] 40 * 17 45 50.69 -28 49 18.8           O4-6I 5 0
148 [FNG2002] 28 * 17 45 50.699 -28 49 22.21           ~ 7 0
149 [FNG2002] 44 * 17 45 50.70 -28 49 25.6           ~ 4 0
150 [FNG2002] 170 Rad 17 45 50.70 -28 49 21.0           ~ 3 0
151 [FNG2002] 53 * 17 45 50.71 -28 49 25.0           ~ 4 0
152 [FNG2002] 81 * 17 45 50.71 -28 49 24.2           ~ 3 0
153 [BSP2001] 13 Em* 17 45 50.72 -28 49 20.4           O4-6I 7 0
154 [FNG2002] 96 * 17 45 50.72 -28 49 19.7           ~ 2 0
155 [FNG2002] 124 * 17 45 50.72 -28 49 17.3           ~ 3 0
156 [FNG2002] 143 * 17 45 50.72 -28 49 17.2           ~ 3 0
157 [FNG2002] 167 * 17 45 50.73 -28 49 17.7           ~ 3 0
158 [FNG2002] 82 * 17 45 50.74 -28 49 19.1           ~ 2 0
159 [FNG2002] 174 * 17 45 50.75 -28 49 28.2           ~ 3 0
160 [FNG2002] 47 * 17 45 50.75 -28 49 25.3           ~ 3 0
161 [FNG2002] 38 * 17 45 50.755 -28 49 20.48           ~ 3 0
162 [FNG2002] 117 * 17 45 50.76 -28 49 19.4           ~ 2 0
163 [BSP2001] 10 Em* 17 45 50.76 -28 49 17.5           O4-6I 8 0
164 [BSP2001] 8 Em* 17 45 50.76 -28 49 16.2           O4-6If 19 0
165 [FNG2002] 57 * 17 45 50.768 -28 49 20.31           ~ 3 0
166 [FNG2002] 77 * 17 45 50.77 -28 49 19.8           ~ 3 0
167 [FNG2002] 133 * 17 45 50.77 -28 49 15.0           ~ 2 0
168 [FNG2002] 72 * 17 45 50.78 -28 49 20.3           ~ 3 0
169 [FNG2002] 55 * 17 45 50.79 -28 49 22.6           ~ 4 0
170 [FNG2002] 60 * 17 45 50.80 -28 49 22.2           ~ 3 0
171 [FNG2002] 114 * 17 45 50.80 -28 49 19.1           ~ 2 0
172 [BSP2001] 9 Em* 17 45 50.80 -28 49 18.1           O4-6I 8 0
173 [FNG2002] 132 * 17 45 50.80 -28 49 02.7           ~ 4 0
174 [FNG2002] 108 * 17 45 50.81 -28 49 10.9           ~ 3 0
175 [FNG2002] 162 * 17 45 50.82 -28 49 39.1           ~ 2 0
176 [BSP2001] 7 Em* 17 45 50.82 -28 49 20.1           O4-6I 7 0
177 [FNG2002] 75 * 17 45 50.82 -28 49 11.2           ~ 4 0
178 [FNG2002] 178 * 17 45 50.82 -28 49 06.9           ~ 2 0
179 [FNG2002] 151 * 17 45 50.83 -28 49 27.6           ~ 3 0
180 WR 102bb WR* 17 45 50.84 -28 49 26.0           WN8-9 17 0
181 [FNG2002] 63 * 17 45 50.84 -28 49 25.7           ~ 2 0
182 [FNG2002] 119 * 17 45 50.84 -28 49 22.8           ~ 3 0
183 [FNG2002] 69 * 17 45 50.85 -28 49 20.3           ~ 2 0
184 [BSP2001] 5 Em* 17 45 50.86 -28 49 21.5           O4-6I 6 0
185 [FNG2002] 68 * 17 45 50.86 -28 49 18.1           ~ 2 0
186 [FNG2002] 164 * 17 45 50.86 -28 49 08.5           ~ 3 0
187 [FNG2002] 102 * 17 45 50.88 -28 49 28.8           ~ 3 0
188 [FNG2002] 159 * 17 45 50.88 -28 49 15.7           ~ 3 0
189 [FNG2002] 161 * 17 45 50.90 -28 49 40.7           ~ 2 0
190 [FNG2002] 101 * 17 45 50.91 -28 49 18.4           ~ 3 0
191 [FNG2002] 126 * 17 45 50.93 -28 49 03.6           ~ 3 0
192 [FNG2002] 188 * 17 45 50.94 -28 49 21.8           ~ 3 0
193 [FNG2002] 89 * 17 45 50.96 -28 49 17.1           ~ 3 0
194 [FNG2002] 86 * 17 45 50.99 -28 49 33.6           ~ 3 0
195 [FNG2002] 74 * 17 45 50.99 -28 49 27.5           ~ 2 0
196 [FNG2002] 100 * 17 45 51.06 -28 49 17.6           ~ 3 0
197 [FNG2002] 158 * 17 45 51.10 -28 49 22.0           ~ 2 0
198 [FNG2002] 191 * 17 45 51.14 -28 49 18.2           ~ 2 0
199 [FNG2002] 59 * 17 45 51.14 -28 49 14.3           ~ 3 0
200 [FNG2002] 98 * 17 45 51.15 -28 49 37.1           ~ 3 0
201 [FNG2002] 165 * 17 45 51.16 -28 49 15.4           ~ 3 0
202 [FNG2002] 39 * 17 45 51.17 -28 49 36.7           ~ 3 0
203 [FNG2002] 127 * 17 45 51.18 -28 49 31.5           ~ 2 0
204 [FNG2002] 52 * 17 45 51.21 -28 49 33.3           ~ 3 0
205 [BSP2001] 2 Em* 17 45 51.21 -28 49 23.8           O4-6I 9 0
206 [FNG2002] 139 * 17 45 51.21 -28 49 23.4           ~ 3 0
207 [FNG2002] 128 * 17 45 51.22 -28 49 36.5           ~ 3 0
208 [FNG2002] 147 * 17 45 51.35 -28 49 20.0           ~ 2 0
209 [FNG2002] 179 * 17 45 51.36 -28 49 21.4           ~ 2 0
210 [FNG2002] 97 * 17 45 51.38 -28 49 16.6           ~ 3 0
211 [FNG2002] 145 * 17 45 51.44 -28 49 20.1           ~ 2 0
212 WR 102bc WR* 17 45 51.48 -28 49 25.4           WN8 14 0
213 [FNG2002] 125 * 17 45 51.49 -28 49 21.8           ~ 3 0
214 [FNG2002] 137 * 17 45 51.49 -28 49 21.3           ~ 3 0
215 [FNG2002] 144 * 17 45 51.53 -28 49 20.6           ~ 3 0
216 [FNG2002] 148 * 17 45 51.78 -28 49 28.4           ~ 2 0
217 [FNG2002] 78 * 17 45 51.94 -28 49 24.7           ~ 3 0
218 NAME Quintuplet Cluster OpC 17 46 13.9 -28 49 48           ~ 443 0
219 V* RY Sct Be* 18 25 31.4772031860 -12 41 24.196044092 10.25 10.38 9.12 9.46   O9.7Ibep 284 1
220 LS IV +00 5 WR* 18 52 17.5478446631 +00 59 44.304523477       13.77 12.25 WN10 41 0
221 V* V382 Cyg bL* 20 18 47.2203014045 +36 20 26.091543194 9.35 9.19 8.65     O6IVn+O5Vn 173 0
222 [CPR2002] B17 s*b 20 30 27.3017352150 +41 13 25.127848580     13.053     O6Iaf+O9Ia 26 0
223 BD+40 4220 EB* 20 32 22.4241357648 +41 18 18.942382590 11.32 10.79 9.185     O6.5-7f+O5.5-6f 368 0
224 LS III +46 11 s*b 20 35 12.6367860828 +46 51 12.105513052 12.46 12.295 10.926 10.005   O3.5If*+O3.5If* 25 0
225 [BSP2001] 4 Em* ~ ~           ~ 4 0

    Equat.    Gal    SGal    Ecl

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2020.07.08-03:43:40

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