2004A&A...428..149S


Query : 2004A&A...428..149S

2004A&A...428..149S - Astronomy and Astrophysics, volume 428, 149-157 (2004/12-2)

On the Hipparcos parallaxes of O stars.

SCHROEDER S.E., KAPER L., LAMERS H.J.G.L.M. and BROWN A.G.A.

Abstract (from CDS):

We compare the absolute visual magnitude of the majority of bright O stars in the sky as predicted from their spectral type with the absolute magnitude calculated from their apparent magnitude and the Hipparcos parallax. We find that many stars appear to be much fainter than expected, up to five magnitudes. We find no evidence for a correlation between magnitude differences and the stellar rotational velocity as suggested for OB stars by Lamers et al. (1997A&A...325L..25L) , whose small sample of stars is partly included in ours. Instead, by means of a simulation we show how these differences arise naturally from the large distances at which O stars are located, and the level of precision of the parallax measurements achieved by Hipparcos. Straightforwardly deriving a distance from the Hipparcos parallax yields reliable results for one or two O stars only. We discuss several types of bias reported in the literature in connection with parallax samples (Lutz-Kelker, Malmquist) and investigate how they affect the O star sample. In addition, we test three absolute magnitude calibrations from the literature (Schmidt-Kaler et al. (1982, Landolt-Boernstein: Numerical Data and Functional Relationships in Science and Technology – New Series, Group VI: Astronomy and Astrophysics, Volume 2b, Schaifers/Voigt, Astronomy and Astrophysics, Stars and Star Clusters), Howarth & Prinja (1989ApJS...69..527H); Vacca et al. (1996ApJ...460..914V)) and find that they are consistent with the Hipparcos measurements. Although O stars conform nicely to the simulation, we notice that some B stars in the sample of Lamers et al. (1997A&A...325L..25L) have a magnitude difference larger than expected.

Abstract Copyright:

Journal keyword(s): astrometry - stars: early-type - stars: fundamental parameters - stars: statistics

VizieR on-line data: <Available at CDS (J/A+A/428/149): table1.dat table2.dat refs.dat>

Simbad objects: 162

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Number of rows : 162
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 HD 108 SB* 00 06 03.3890541936 +63 40 46.771220928 6.79 7.58 7.40     O4-8f?p 315 0
2 V* AO Cas SB* 00 17 43.0633133256 +51 25 59.116450728 5.04 6.01 6.14     O9.2II+O8V((f)) 322 0
3 HD 5005 ** 00 52 49.21342 +56 37 39.5227 7.02 7.85 7.76     ~ 142 1
4 HD 13745 bC* 02 15 45.9350391312 +55 59 46.727495484 7.22 7.99 7.90     O9.7II(n) 164 1
5 HD 14633 SB* 02 22 54.2923246536 +41 28 47.724359448 6.14 8.79 8.73 8.69   ON8.5V 215 0
6 HD 14947 s*b 02 26 46.9899705528 +58 52 33.118732380 7.83 8.44 7.98     O4.5If 245 0
7 HD 15137 SB* 02 27 59.8113542520 +52 32 57.589857672 7 7.92 7.86     O9.5II-IIIn 120 0
8 HD 15558 Y*O 02 32 42.5366901168 +61 27 21.572901360 7.82 8.37 7.87 7.34 6.94 O4.5III(f) 308 0
9 HD 17505 ** 02 51 07.97514 +60 25 03.8720 6.83 7.47 7.07     O6.5III((f))n+O8V 188 0
10 HD 18326 ** 02 59 23.1709737312 +60 33 59.519691216 9.211 8.21 7.94     O6.5V((f))z+O9/B0V: 123 0
11 V* CC Cas SB* 03 14 05.3361655368 +59 33 48.485582712 7.07 7.56 7.08     O8.5III(n)((f)) 278 0
12 * o Per * 03 42 22.6455526 +33 57 54.089323 4.13 4.912 4.972     B0.5V 290 0
13 HD 24431 ** 03 55 38.4221692944 +52 38 28.747965948 6.50 7.11 6.74 6.36 6.10 O9III+B1.5V 156 0
14 * ksi Per ** 03 58 57.9022917 +35 47 27.713205 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 815 0
15 V* SZ Cam EB* 04 07 49.2849421032 +62 19 58.626896088 6.82 7.26 6.93     O9.5Vn 212 1
16 * alf Cam s*b 04 54 03.0103983 +66 20 33.636467 3.47 4.34 4.29 4.18 4.18 O9Ia 647 1
17 V* AE Aur Or* 05 16 18.1493304816 +34 18 44.344404000 5.48 6.18 5.96     O9.5V 541 1
18 * tau Ori * 05 17 36.3885646 -06 50 39.870187 3.01 3.47 3.59     B5III 184 0
19 HD 34656 Em* 05 20 43.0812017952 +37 26 19.195066068 5.87 6.77 6.76     O7.5II(f) 196 0
20 * gam Ori V* 05 25 07.86325 +06 20 58.9318 0.54 1.42 1.64 1.73 1.95 B2V 512 1
21 * del Ori SB* 05 32 00.40009 -00 17 56.7424 0.96 2.02 2.41 2.32 2.54 O9.5IINwk 758 0
22 * phi01 Ori SB* 05 34 49.2380370 +09 29 22.487814 3.29 4.26 4.41 4.42 4.59 B0III 250 0
23 * lam Ori A Em* 05 35 08.2760807112 +09 56 02.991326316 2.17 3.48 3.47     O8III((f)) 496 0
24 * iot Ori SB* 05 35 25.9819073 -05 54 35.643537 1.45 2.53 2.77     O9IIIvar 752 0
25 HD 36879 * 05 35 40.5264730272 +21 24 11.719601856 6.97 7.69 7.58     O7V(n)((f))z 136 0
26 * sig Ori Y*O 05 38 44.7653828520 -02 36 00.283179888 2.54 3.58 3.79 3.87 4.11 O9.5V+B0.2V(n) 775 0
27 * ome Ori Be* 05 39 11.1463172 +04 07 17.279475 3.73 4.48 4.59 4.57 4.67 B3Ve 398 1
28 HD 37366 SB* 05 39 24.8024332824 +30 53 26.763532368 6.99 7.71 7.64     O9.5IV 75 0
29 * zet Ori A SB* 05 40 45.527143 -01 56 33.26036   1.79 1.90     O9.2IbvarNwk 656 0
30 * mu. Col V* 05 45 59.8950238944 -32 18 23.162261796 3.84 4.90 5.18 5.30 5.57 O9.5V 472 0
31 HD 39680 Be* 05 54 44.7315378936 +13 51 17.064365364 7.05 8.01 7.99     O6V:[n]pevar 117 0
32 HD 41161 * 06 05 52.4562749544 +48 14 57.417890532 5.66 6.658 6.764     O8Vn 123 0
33 HD 42088 * 06 09 39.5728368936 +20 29 15.450599580 6.73 7.58 7.57 8.45   O6V((f))z 237 0
34 HD 46149 SB* 06 31 52.5319291296 +05 01 59.178678024 7.03 7.80 7.61 7.54 7.36 O8.5V 265 0
35 HD 46150 Em* 06 31 55.5205071744 +04 56 34.296516096 6.03 6.86 6.73 6.50 6.41 O5V((f))z 382 0
36 HD 46223 Y*O 06 32 09.3068103600 +04 49 24.705695568 6.73 7.50 7.28 6.95 6.79 O4V((f)) 367 0
37 HD 46573 SB* 06 34 23.5692982800 +02 32 02.944339980 7.61 8.27 7.93     O7V((f))z 123 0
38 HD 46966 ** 06 36 25.8880460976 +06 04 59.474397540 5.91 6.83 6.87     O8.5IV 197 0
39 HD 47432 Pu* 06 38 38.1872868432 +01 36 48.675208608 5.67 6.44 6.31 6.11 6.04 O9.7Ib 175 1
40 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 777 0
41 HD 48279 ** 06 42 40.54719 +01 42 58.2571 7.26 8.03 7.86     O8V+F2V 143 0
42 HD 52266 SB* 07 00 21.0763468632 -05 49 35.954203044 6.32 7.22 7.23     O9.5IIIn 110 0
43 HD 53975 SB* 07 06 35.9651934840 -12 23 38.220633600 5.38 6.40 6.50 6.51   O7.5Vz 185 0
44 HD 54662 SB* 07 09 20.2493151288 -10 20 47.635088964 5.35 6.24 6.21 7.23   O6.5Vz(n)+O7.5Vz 333 2
45 HD 55879 * 07 14 28.2529558464 -10 18 58.483822572 4.88 5.85 6.03 7.35   O9.7III 160 0
46 * 29 CMa SB* 07 18 40.3789353696 -24 33 31.318248528 3.80 4.80 4.95 4.95 5.08 O7Iafpvar 408 0
47 HD 57682 * 07 22 02.0546074728 -08 58 45.766323408 5.20 6.24 6.43     O9.2IV 242 0
48 HD 60369 * 07 33 01.8440575656 -28 19 32.908430028 7.28 8.87 9.01 9.13   B7Ib 65 0
49 HD 60848 Be* 07 37 05.7325392528 +16 54 15.300327852 5.55 6.67 6.87     O8:V:pe 134 0
50 HD 61827 * 07 39 49.3378796760 -32 34 42.134435760 7.91 9.52 8.20 8.19   O8/9(Ib) 76 0
51 * zet Pup BY* 08 03 35.04754 -40 00 11.3321 0.89 1.98 2.25 2.36 2.58 O4I(n)fp 1127 1
52 * gam02 Vel WR* 08 09 31.95013 -47 20 11.7108 0.64 1.58 1.83 1.85 2.00 WC8+O7.5III-V 870 0
53 HD 68450 * 08 11 01.6832319648 -37 17 32.549289720 5.58 6.42 6.44 7.43   O9.7II 130 0
54 HD 71304 * 08 24 55.7882010048 -44 18 03.006513144 8.52 8.98 8.45 7.93 7.51 O9II 65 0
55 HD 73882 EB* 08 39 09.53412 -40 25 09.2608 7.07 7.59 7.19 6.67 6.30 O8.5IV 229 2
56 HD 74194 HXB 08 40 47.7915253032 -45 03 30.235569624 7.05 7.77 7.55 8.70   O8.5Ib-II(f)p 189 0
57 HD 75211 * 08 47 01.5921294816 -44 04 28.848481212 7.35 7.90 7.50 8.28   O8.5II((f)) 84 0
58 HD 75222 s*b 08 47 25.1378783304 -36 45 02.670440616 7.24 7.80 7.42 8.22   O9.7Iab 86 0
59 HD 75759 SB* 08 50 21.0167636904 -42 05 23.247034188 4.95 5.90 6.00 7.18   O9V+B0V 133 0
60 HD 76341 Em* 08 54 00.6139723224 -42 29 08.763425340 6.88 7.392 7.163 8.08   O9.2IV 100 1
61 HD 76968 V* 08 57 28.8524478672 -50 44 58.197488784 6.53 7.33 7.21 7.01 6.87 O9.2Ib 84 1
62 HD 89137 * 10 15 40.0854126480 -51 15 24.093239544 7.02 7.93 7.97 8.82   ON9.7II(n) 90 1
63 HD 91452 * 10 31 50.5952642688 -63 56 25.690580484 7 8.83 8.60 8.35   B0III 56 1
64 HD 93206 EB* 10 44 22.9085235888 -59 59 35.970489960 5.53 6.37 6.24 7.42   O9.7Ibn 205 0
65 HD 93403 SB* 10 45 44.1198371784 -59 24 28.153300860 6.72 8.46 8.27 8.35   O5.5III(fc)var 188 1
66 HD 96670 SB* 11 07 13.9342973568 -59 52 23.180506824 6.86 7.60 7.43 8.38   O7V(f)n 82 1
67 HD 96917 V* 11 08 42.6179945208 -57 03 56.913146676 6.46 7.29 7.21 7.04 6.89 O8Ib(n)(f) 102 0
68 HD 100099 * 11 30 24.3073215840 -63 49 02.021079000 7.36 8.17 8.08 8.90   O8/9 80 1
69 V* V1051 Cen EB* 11 37 48.4343499072 -63 19 23.518561512 6.28 7.18 7.16 8.11   O5.5V((f))+O8:V 141 1
70 HD 101298 * 11 39 03.2761321080 -63 25 47.052737472 7.33 8.15 8.07 8.84   O6.5IV((f)) 115 0
71 HD 101413 * 11 39 45.8384076768 -63 28 40.117629864 7.62 9.16 9.21 9.13   O8V 121 0
72 HD 101436 ** 11 39 49.9553334624 -63 28 43.549419180 6.8 8.98 8.93 8.78   O6.5V((f)) 133 1
73 HD 101545 ** 11 40 37.00313 -62 34 05.1669 5.54 6.40 6.38 7.57   O9.5Ib+B0.5Iab 73 1
74 HD 105056 s*b 12 05 49.8804411912 -69 34 22.996270632 6.57 9.07 8.74 8.45   ON9.7Iae 123 1
75 HD 105627 * 12 09 44.5819662312 -62 34 54.626272356 7.31 8.21 8.19 9.05   O9III 74 0
76 HD 112244 s*b 12 55 57.1336250856 -56 50 08.900570292 4.49 5.33 5.32 5.21 5.21 O8.5Iab(f)p 201 0
77 V* V961 Cen SB* 13 16 04.8010592232 -62 35 01.490795556 7.51 9.16 9.32 8.82   O9.5III+B0Ib 99 1
78 HD 116852 * 13 30 23.5185791544 -78 51 20.547734652 8.29 8.38 8.47     O8.5II-III((f)) 140 1
79 HD 117856 * 13 34 43.40546 -63 20 07.6319 6.92 8.97 8.90 8.29   O9.7II-III 48 0
80 HD 122879 V* 14 06 25.1578487688 -59 42 57.254187024 5.90 6.64 6.50 6.33 6.18 B0Ia 164 1
81 HD 124314 ** 14 15 01.60615 -61 42 24.3831   8.96 6.64 6.45 6.31 O6V(n)((f)) 141 1
82 HD 125206 * 14 20 09.0397470528 -61 04 54.621382980 7.47 8.18 7.92 8.89   O9.7IVn 64 1
83 * del Cir SB* 15 16 56.8959099600 -60 57 26.120078136 4.11 5.03 5.09 6.68   O8V 151 0
84 HD 135591 * 15 18 49.1432685384 -60 29 46.795963020 4.46 5.36 5.46 6.91   O8IV((f)) 151 0
85 * del Sco SB* 16 00 20.00528 -22 37 18.1431 1.30 2.20 2.32 2.36 2.49 B0.3IV 720 0
86 * bet01 Sco bC* 16 05 26.2319826 -19 48 19.630018 1.68 2.55 2.62 2.60 2.69 B1V 546 0
87 HD 148546 Pu* 16 30 23.3122183296 -37 58 21.169697268 7.28 7.99 7.71 8.58   O9Iab 80 0
88 HD 148937 SB* 16 33 52.3869185520 -48 06 40.476418740 6.49 7.12 6.71 7.61   O6f?p 371 4
89 * mu. Nor s*b 16 34 05.0202815 -44 02 43.128156 4.05 4.99 4.94 6.36   O9.7Iab 266 0
90 * tau Sco * 16 35 52.9528530 -28 12 57.661515 1.55 2.56 2.81 2.93 3.18 B0.2V 892 0
91 HD 149404 s*b 16 36 22.5628499784 -42 51 31.902127776 5.23 5.88 5.52 6.90   O8.5Iab(f)p 237 1
92 * zet Oph Be* 16 37 09.5390545 -10 34 01.529471 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1785 2
93 HD 151003 * 16 46 34.1955926208 -41 36 38.522639052 6.49 7.26 7.09 8.00   O8.5III 67 1
94 HD 151515 SB* 16 49 48.2512632192 -42 00 06.177451752 6.77 7.48 7.30 7.11 6.88 O7II(f) 119 0
95 V* V1290 Sco EB* 16 50 01.4443831536 -41 37 16.491545688 7.37 8.10 7.98 8.86   B0III 75 1
96 HD 151804 s*b 16 51 33.7218052272 -41 13 49.919519496 4.45 5.29 5.22     O8Iaf 364 0
97 HD 152246 SB* 16 54 05.2976157264 -41 04 46.117795944 6.69 7.45 7.29 8.19   O9IV 119 1
98 HD 152270 WR* 16 54 19.6991292072 -41 49 11.531710092 6.26 6.80 6.597 6.72 6.39 WC7+O5-8 297 0
99 HD 152405 SB* 16 54 55.3693932960 -40 31 29.393197572 6.71 7.42 7.29 7.12 6.96 O9.7II 113 1
100 HD 152408 s*b 16 54 58.5051071856 -41 09 03.093075612 5.17 5.92 5.77 7.00   O8Iape 362 0
101 HD 152424 s*b 16 55 03.3294878112 -42 05 26.990821824 6.11 6.69 6.27 7.49   OC9.2Ia 190 0
102 HD 152623 ** 16 56 15.0265311912 -40 39 35.892252936 5.95 8.70 8.64 7.68   O7V(n)((f))z 105 0
103 HD 152723 * 16 56 54.6694171728 -40 30 44.442698436 6.43 7.24 7.10 8.11 8.47 O6.5III(f) 147 0
104 HD 153426 * 17 01 13.0078001616 -38 12 11.886304536 6.79 7.61 7.47 8.49   O8.5III 92 0
105 HD 153919 HXB 17 03 56.7725629224 -37 50 38.913331452 6.06 6.78 6.51 6.08 5.90 O6Iafcp 784 1
106 HD 154368 s*b 17 06 28.3687759224 -35 27 03.760593156 6.10 6.63 6.13 7.12   O9.5Iab 277 0
107 HD 154811 * 17 09 53.0865607752 -47 01 53.186262060 6.71 7.32 6.98 7.71   OC9.7Ib 81 0
108 HD 155806 Be* 17 15 19.2478670712 -33 32 54.299379012 4.61 5.52 5.53     O7.5V((f))z(e) 218 0
109 HD 155889 ** 17 15 50.7533188725 -33 44 13.256102872 5.68 6.54 6.55 7.60   O9.5IV 80 1
110 HD 156212 * 17 17 27.5962076424 -27 46 00.805226124 7.91 9.13 8.74 8.80   B0Iab 54 0
111 HD 156292 SB* 17 18 45.8116958160 -42 53 29.928425568 7.13 7.75 7.55 8.42   O9.7III 64 0
112 V* V1081 Sco EB* 17 29 12.9252525072 -31 32 03.427372140 6.22 7.07 7.04 7.93   O9.5V(n) 84 0
113 HD 159176 SB* 17 34 42.4921337376 -32 34 53.995451196 4.88 5.74 5.70 7.19   O7V((f))+O7V((f)) 246 0
114 * 63 Oph * 17 54 54.0432011904 -24 53 13.544140416 5.35 6.24 6.20 7.33   O8II((f)) 171 0
115 HD 163800 * 17 58 57.2584170624 -22 31 03.165347496 6.61 7.27 7.00 6.68 6.49 O7.5III((f)) 140 0
116 HD 163892 * 17 59 26.3102746896 -22 28 00.861673188 6.81 7.61 7.44 8.55   O9.5IV(n) 98 0
117 HD 164438 SB* 18 01 52.2806275248 -19 06 22.079599596 7.37 8.89 8.76 8.28   O9.2IV 83 1
118 HD 164492 Y*O 18 02 23.5527520992 -23 01 50.999556180 6.49 7.49 6.80 7.52   O7.5Vz 219 0
119 * 9 Sgr Em* 18 03 52.4450051016 -24 21 38.632254012 5.08 5.97 5.97 5.72 5.70 O4V((f))z 530 0
120 HD 165052 SB* 18 05 10.5506592816 -24 23 54.847798080 6.16 6.98 6.87 7.77   O5.5:Vz+O8:V 257 1
121 HD 165319 * 18 05 58.8359515224 -14 11 52.998222768 8.15 8.63 8.04 7.50 7.00 O9.7Ib 70 1
122 * 11 Sgr Or* 18 09 17.6999100192 -23 59 18.231196056 6.65 7.45 7.31 8.36   O7V(n)z+B0:V: 134 2
123 HD 166546 V* 18 11 57.0991622952 -20 25 24.149352324 6.40 7.26 7.22 8.36   O9.5IV 85 0
124 * 15 Sgr s*b 18 15 12.9063291264 -20 43 41.767600368 4.64 5.42 5.37 5.27 5.19 O9.7Iab 245 0
125 * 16 Sgr SB* 18 15 12.9690278832 -20 23 16.691046360 5.25 6.05 6.02 5.94 5.86 O9.5III 184 0
126 HD 167633 * 18 16 49.6543599336 -16 31 04.308165588 7.69 9.16 9.07 8.91   O6.5V((f)) 71 1
127 HD 167771 SB* 18 17 28.5570708120 -18 27 48.424975128 5.81 6.65 6.54 7.43   O7III((f))+O8III 177 0
128 HD 167971 s*b 18 18 05.8947362832 -12 14 33.313601112 7.89 8.27 7.50 6.68 6.279 O8Iaf(n)+O4/5 285 0
129 HD 175754 Em* 18 57 35.7085336776 -19 09 11.264191704 5.99 6.96 7.03     O8II(n)((f))p 143 0
130 HD 175876 * 18 58 10.7660947512 -20 25 25.541961636 5.79 6.82 6.94 6.93   O6.5III(n)(f) 145 0
131 HD 186980 * 19 46 15.9013838928 +32 06 58.165496820 6.72 7.56 7.48     O7.5III((f)) 114 0
132 HD 188209 s*b 19 51 59.0687638680 +47 01 38.419078944 4.61 5.55 5.63 5.54 5.64 O9.5Iab 299 0
133 * 9 Sge s*b 19 52 21.7649260368 +18 40 18.751320984 5.32 6.24 6.23     O7.5Iabf 283 1
134 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4122 0
135 HD 189957 * 20 01 00.0040048824 +42 00 30.822588756 6.93 7.84 7.82     O9.7III 95 0
136 HD 190429 ** 20 03 29.39885 +36 01 30.5082 5.98 6.78 6.63     O4If+O9.5II 200 0
137 HD 190864 Em* 20 05 39.8022808800 +35 36 27.991297908 7.18 7.93 7.78     O6.5III(f) 218 0
138 HD 191612 SB* 20 09 28.6105997664 +35 44 01.286453904 7.40 8.07 7.80     O8fpe 227 0
139 V* V2011 Cyg SB* 20 12 33.1203741480 +40 16 05.445674868 7.32 7.85 7.55     O4.5V(n)((f)) 200 0
140 HD 192639 s*b 20 14 30.4275801672 +37 21 13.816276704 6.83 7.46 7.11     O7.5Iabf 279 0
141 HD 193322 ** 20 18 06.98820 +40 43 55.5001 5.17 5.94 5.84 5.69 5.68 O9IV(n)+B1.5V 272 0
142 HD 193443 SB* 20 18 51.7093796362 +38 16 46.504188062 7.11 7.59 7.26     O8.5III:((f))+O9.2:IV: 139 0
143 HD 193514 Em* 20 19 08.4971150880 +39 16 24.253036608 7.32 7.83 7.38     O7Ib(f) 182 0
144 HD 193793 WR* 20 20 27.9757908696 +43 51 16.286840244 6.90 7.25 6.85 4.58   WC7p+O5 680 1
145 HD 195592 s*b 20 30 34.9690901208 +44 18 54.859533372 7.75 7.95 7.08 6.29 5.60 O9.7Ia 202 1
146 V* Y Cyg SB* 20 52 03.5771840640 +34 39 27.486121104 6.31 7.23 7.32     O9.5IV+O9.5IV 361 1
147 HD 199579 SB* 20 56 34.7779063080 +44 55 29.000891928 5.16 6.01 5.96     O6.5V((f))z 354 0
148 HD 201345 * 21 07 55.4150161776 +33 23 49.228548972   7.611 7.764     ON9.2IV 164 0
149 HD 202124 s*b 21 12 28.3896178416 +44 31 54.129118980 7.33 7.94 7.76     O9Iab 92 0
150 * 68 Cyg SB* 21 18 27.1862219256 +43 56 45.399147864 4.05 4.99 5.00     O7.5IIIn((f)) 364 0
151 HD 204827 SB* 21 28 57.7592315784 +58 44 23.238427956 8.63 8.74 7.94 7.25 6.76 O9.5IV 328 0
152 HD 206183 * 21 38 26.2840588344 +56 58 25.459055868 6.75 7.55 7.41     O9.5IV-V 90 0
153 HD 207198 * 21 44 53.2791389640 +62 27 38.048647248 5.61 6.25 5.94 5.66 5.49 O8.5II 332 0
154 HD 207538 * 21 47 39.7896725544 +59 42 01.348647696 7 7.55 7.30     O9.7IV 185 1
155 * 14 Cep SB* 22 02 04.5726270264 +58 00 01.309758516 4.77 5.551 5.542     O9IV(n)var+B1:V: 248 0
156 * 19 Cep * 22 05 08.7897533088 +62 16 47.332569936 4.36 5.19 5.11 4.95 4.92 O9Ib 369 0
157 * lam Cep s*b 22 11 30.5765111040 +59 24 52.154264880 4.55 5.29 5.05 4.77 4.62 O6.5I(n)fp 666 1
158 HD 210809 s*b 22 11 38.6004719208 +52 25 47.950615308 6.7 7.61 7.56     O9Iab 203 0
159 * 10 Lac ** 22 39 15.6786372 +39 03 00.971152 3.650 4.670 4.880 4.98 5.19 O9V 737 0
160 HD 215835 SB* 22 46 54.1107754872 +58 05 03.533752788 8.24 8.85 8.629   8.049 O5.5V((f))+O6V((f)) 245 0
161 HD 217086 Y*O 22 56 47.1887590800 +62 43 37.657173900 7.88 8.30 7.66 8.35   O7Vnn((f))z 247 0
162 HD 218915 s*b 23 11 06.9483955128 +53 03 29.652921252 6.32 7.22 7.20     O9.2Iab 189 1

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2022.08.10-05:05:31

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