2014A&A...562A.135S

Query : 2014A&A...562A.135S

2014A&A...562A.135S - Astronomy and Astrophysics, volume 562A135-135 (2014/2-1)

The IACOB project. I. Rotational velocities in northern Galactic O- and early B-type stars revisited. The impact of other sources of line-broadening.

SIMON-DIAZ S. and HERRERO A.

Abstract (from CDS):

Stellar rotation is an important parameter in the evolution of massive stars. Accurate and reliable measurements of projected rotational velocities in large samples of OB stars are crucial to confront the predictions of stellar evolutionary models with observational constraints. We reassess previous determinations of projected rotational velocities (vsini) in Galactic OB stars using a large, high-quality spectroscopic dataset and a strategy that accounts for other sources of line-broadening in addition to rotation. We present a versatile and user-friendly IDL tool - based on a combined Fourier transform (FT) + goodness-of-fit (GOF) methodology - for the line-broadening characterization in OB-type stars. We used this tool to (a) investigate the impact of macroturbulent and microturbulent broadenings on vsini measurements, and (b) determine v sin i and the size of the macroturbulent broadening (vm) in a sample of ∼200 Galactic OB-type stars. We present observational evidence that illustrates the strengths and limitations of the proposed FT+GOF methodology for OB stars. We confirm previous statements (that were based on indirect arguments or smaller samples) that the macroturbulent broadening is ubiquitous in the massive-star domain. We compare the newly derived vsini for O stars and early-B supergiants and giants (where the effect of macroturbulence was found to be stronger) with previous determinations that did not account for this additional line-broadening contribution, and show that cases with vsini≤120km/s need to be systematically revised downward by ∼25(±20)km/s. We suggest that microturbulence may impose an upper limit below which vsini and vm may be incorrectly derived by means of the proposed methodology as it is currently used, and discuss the implications of this statement on the study of relatively narrow-line massive stars. An investigation of the impact of the revised vsini distributions on the predictions of massive star evolutionary models is now warranted. The reliability of vsini measurements in the low vsini regime, using a more precise description of the intrinsic profiles that are employed for the line-broadening analysis, also needs to be investigated in more detail.

Abstract Copyright: ∼

Journal keyword(s): stars: early-type - stars: rotation - techniques: spectroscopic - line: profiles - astronomical databases: miscellaneous

VizieR on-line data: <Available at CDS (J/A+A/562/A135): tablea1.dat tablea2.dat tablea3.dat tablea4.dat tablea5.dat>

Simbad objects: 203

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Number of rows : 203
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 HD 225146 s*b 00 03 57.5025246576 +61 06 13.094034012 8.32 8.96 8.60     O9.7Iab 95 0
2 HD 225160 s*b 00 04 03.7944653736 +62 13 19.009200864 7.74 8.46 8.19     O8Iabf 123 0
3 HD 108 SB* 00 06 03.3890541936 +63 40 46.771220928 6.79 7.58 7.40     O4-8f?p 338 0
4 * kap Cas s*b 00 32 59.9918836206 +62 55 54.413126128 3.50 4.30 4.16 4.02 3.96 BC0.7Ia 474 0
5 * zet Cas bC? 00 36 58.2844874846 +53 53 48.877599163 2.58 3.47 3.66 3.74 3.95 B2IV 470 0
6 * ksi Cas SB* 00 42 03.8922075864 +50 30 45.120403944 4.05 4.71 4.81 4.82 4.94 B3IV 148 0
7 HD 5005A * 00 52 49.2139931592 +56 37 39.512552844 7.56 8.58 8.58     O4.5V((fc))z 43 0
8 HD 6675 * 01 09 13.0728092880 +69 41 11.491587240 6.57 7.161 6.938     B0.2III 60 0
9 BD+60 261 * 01 32 32.7211393416 +61 07 45.841195308 8.27 8.94 8.69     O7.5III(n)((f)) 57 0
10 HD 12323 SB* 02 02 30.1268458032 +55 37 26.372271540 7.95 8.87 8.92     ON9.2V 193 0
11 HD 12993 V* 02 09 02.4741997056 +57 55 55.948483236 8.38 9.13 8.98     O6.5V((f))Nstr 154 0
12 HD 13022 * 02 09 30.0715846272 +58 47 01.551741792   9.06 8.83     O9.7II-III 63 0
13 HD 13268 * 02 11 29.7003301008 +56 09 31.721738760 7.48 8.24 8.18     ON8.5IIIn 186 0
14 HD 13745 bC* 02 15 45.9350391312 +55 59 46.727495484 7.22 7.99 7.90     O9.7II(n) 183 1
15 HD 13841 s*b 02 16 46.3906698552 +57 01 45.670054584 6.95 7.60 7.37 7.11 6.95 B1.5Ib 132 0
16 HD 13854 s*b 02 16 51.7162480872 +57 03 18.882144756 6.10 6.76 6.48 6.14 5.95 B1Iab 217 0
17 HD 13866 Pu* 02 16 57.5756166480 +56 43 07.678553592 6.95 7.63 7.51     B2Ib-II:p 130 1
18 HD 14052 SB* 02 18 28.1569905024 +57 12 30.146357700 7.90 8.48 7.7866   7.3575 B1Ib 92 0
19 HD 14434 Em* 02 21 52.4121560832 +56 54 18.032028876 7.87 8.65 8.49 8.29 8.20 O5.5Vnn((f))p 198 0
20 HD 14443 V* 02 22 00.5764087032 +57 08 41.872012908 7.85 8.39 7.6934 7.70 7.2734 BC2Ib 113 0
21 HD 14633 SB* 02 22 54.2923246536 +41 28 47.724359448 6.14 8.79 8.73 8.69   ON8.5V 241 0
22 * 10 Per s*b 02 25 16.0283450208 +56 36 35.354429280 5.95 6.56 6.26 5.93 5.74 B2Ia 248 0
23 HD 14956 s*b 02 26 45.6955268424 +57 40 45.044622588 7.63 7.92 7.20 6.56 6.05 B1.5Ia 154 0
24 HD 14947 s*b 02 26 46.9899705528 +58 52 33.118732380 7.83 8.44 7.98     O4.5If 262 0
25 HD 15137 SB* 02 27 59.8113542520 +52 32 57.589857672 7 7.92 7.86     O9.5II-IIIn 143 0
26 HD 15642 * 02 32 56.3830465728 +55 19 39.055987236 9.305 8.56 8.55     O9.5II-IIIn 110 0
27 HD 15629 Y*O 02 33 20.5873992264 +61 31 18.188762844 8.23 8.85 8.42     O4.5V((fc)) 255 0
28 BD+62 424 * 02 36 18.2198941128 +62 56 53.342436192 10.311 9.23 8.90     O6.5V(n)((f)) 62 0
29 HD 16832 * 02 44 12.7164018912 +56 39 27.243565128 10.285 9.21 8.87     O9.2III 50 0
30 HD 17603 * 02 51 47.7980420280 +57 02 54.469902552 8.68 9.10 8.45     O7.5Ib(f) 95 0
31 BD+60 586 * 02 54 10.6733578416 +60 39 03.492857052 9.632 8.713 8.489 8.893   O7Vz 103 0
32 HD 18409 * 03 00 29.7126315336 +62 43 19.052057856 9.832 8.72 8.40     O9.7Ib 84 0
33 * zet Per s*b 03 54 07.9224751 +31 53 01.081262 2.19 2.97 2.85 2.71 2.62 B1Ib 881 0
34 HD 24431 ** 03 55 38.4221692944 +52 38 28.747965948 6.50 7.11 6.74 6.36 6.10 O9III+B1.5V 173 0
35 HD 24640 Ce* 03 56 28.6917914309 +35 04 51.215445412 4.7 5.426 5.488     B1.5V 138 1
36 * ksi Per ** 03 58 57.9024302099 +35 47 27.709515737 3.190 4.080 4.060 3.88 3.89 O7.5III(n)((f)) 850 0
37 HD 25639 * 04 07 51.3928669512 +62 19 48.385984944 6.87 7.24 6.86     B0III 130 0
38 * b02 Per * 04 20 11.5125754224 +50 55 15.365023320 4.78 5.507 5.545     B1.5IV 98 0
39 * 1 Cam B * 04 32 00.9238819296 +53 54 45.398588364 5.2 6.901 6.803     B1IV: 19 0
40 * nu. Eri bC* 04 36 19.1419185396 -03 21 08.857744927 2.82 3.737 3.928     B2III 407 0
41 * pi.04 Ori SB* 04 51 12.3657730111 +05 36 18.373859886 2.700 3.500 3.680 3.74 3.90 B2III 319 0
42 * alf Cam s*b 04 54 03.0113886719 +66 20 33.633625509 3.47 4.34 4.29 4.18 4.18 O9Ia 675 1
43 HD 31327 * 04 56 20.0879684184 +36 10 06.713559372 6.03 6.426 6.089     B2II 96 0
44 V* AE Aur Or* 05 16 18.1493304816 +34 18 44.344404000 5.48 6.18 5.96     O9.5V 597 1
45 HD 34656 Em* 05 20 43.0812017952 +37 26 19.195066068 5.87 6.77 6.76     O7.5II(f) 213 0
46 HD 34989 * 05 21 43.5623819760 +08 25 42.799279584 4.79 5.67 5.80 5.79 5.92 B1V 158 1
47 * o Ori SB* 05 21 45.7473567408 -00 22 56.880734196 3.79 4.58 4.74 4.79 4.97 B2IV 246 0
48 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
49 HD 35299 Pu* 05 23 42.3086240496 -00 09 35.347024692 4.610 5.490 5.700 5.77 5.96 B1.5V 217 0
50 * gam Ori V* 05 25 07.86325 +06 20 58.9318 0.54 1.42 1.64 1.73 1.95 B2III 542 1
51 HD 35619 * 05 27 36.1458757248 +34 45 19.002906324 8.08 8.82 8.69     O7.5V((f))z 110 0
52 HD 35633 * 05 27 43.2841657992 +34 31 56.673906816 7.7 8.30 8.04     O8II(f) 62 0
53 HD 35912 * 05 28 01.4701489584 +01 17 53.700185940 5.52 6.212 6.380     B2V 167 0
54 HD 36285 * 05 30 20.7537108216 -07 26 05.338118076 5.29 6.130 6.313     B2V 130 0
55 * n01 Ori ** 05 31 14.53183 +03 17 31.6729 4.47 5.29 5.46 5.51 5.72 B3II/III 142 0
56 HD 36430 * 05 31 20.8933113744 -06 42 30.168166680 5.29 6.041 6.208     B3V 144 0
57 * ups Ori SB* 05 31 55.8599595648 -07 18 05.535884975 3.30 4.36 4.63 4.75 5.01 O9.7V 426 0
58 * del Ori ** 05 32 00.40009 -00 17 56.7424 0.96 2.02 2.41 2.32 2.54 O9.5IINwk 796 0
59 HD 36591 V* 05 32 41.3510096736 -01 35 30.595447356 4.240 5.15 5.34     B1IV 255 0
60 HD 36629 Y*O 05 32 57.0824474232 -04 33 59.339585016 7.01 7.67 7.65 7.53 7.53 B2V 201 0
61 HD 36483 * 05 33 41.1526952280 +36 27 34.967517156 8.06 8.55 8.24     O9.5IV(n) 59 0
62 * phi01 Ori Y*O 05 34 49.2376273598 +09 29 22.510380606 3.29 4.26 4.41 4.42 4.59 B0.2IV 272 0
63 HD 36959 Y*O 05 35 01.0070120496 -06 00 33.366713364 4.52 5.33 5.53     B1V 223 0
64 HD 36960 * 05 35 02.6823091513 -06 00 07.308349203 3.52 4.50 4.72     B0.5V 283 0
65 * lam Ori A Em* 05 35 08.2760807112 +09 56 02.991326316 2.17 3.48 3.47     O8III((f)) 527 0
66 * lam Ori B Y*? 05 35 08.4812956320 +09 56 06.099512244       5.29   B0.5V 147 0
67 * tet01 Ori A Ae* 05 35 15.8254015008 -05 23 14.334699480 5.87 6.75 6.73 6.42 6.21 B0V 508 0
68 * tet01 Ori C SB* 05 35 16.4662967280 -05 23 22.921811880 4.20 5.15 5.13 4.91 4.73 O7Vp 1479 1
69 * tet01 Ori D Y*O 05 35 17.2574479992 -05 23 16.570738104 6.08 6.79 6.70 6.40 6.20 B1.5Vp 340 0
70 * tet02 Ori A SB* 05 35 22.9012398264 -05 24 57.832632108 5.37 6.30 6.39 6.30 6.35 O9.5IVp 576 0
71 * iot Ori SB* 05 35 25.9861932063 -05 54 35.598684624 1.45 2.53 2.77     O9IIIvar 793 0
72 * tet02 Ori B Y*O 05 35 26.4007537560 -05 25 00.793767576 5.36 6.29 6.38 6.29 11.050 B0.7V 206 0
73 HD 37061 Or* 05 35 31.3649044920 -05 16 02.582064192 6.44 7.09 6.83     O9.5V 376 0
74 HD 36879 * 05 35 40.5264730272 +21 24 11.719601856 6.97 7.69 7.58     O7V(n)((f))z 157 0
75 * eps Ori s*b 05 36 12.81335 -01 12 06.9089 0.48 1.51 1.69 1.76 1.93 B0Ia 921 0
76 HD 37209A bC? 05 36 35.6933463600 -06 03 53.102455123 4.61 5.535 5.750     B2IV 142 0
77 NAME Ori I As* 05 38 -02.8           ~ 653 0
78 HD 37481 bC? 05 38 37.9735682376 -06 34 26.246963640 4.82 5.73 5.96     B1.5IV 141 0
79 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2236 2
80 * sig Ori D Y*O 05 38 45.6253355112 -02 35 58.894678824 5.7 6.51 6.69   6.98 B2V 67 0
81 * sig Ori E Y*O 05 38 47.2050040320 -02 35 40.521424812 5.66 6.38 6.46 6.84 7.08 B2IV-Vp_He 486 0
82 HD 37366 SB* 05 39 24.8024332824 +30 53 26.763532368 6.99 7.71 7.64     O9.5IV 88 0
83 HD 37744 V* 05 40 37.2968503824 -02 49 30.852237396 5.14 6.02 6.22     B1.5V 164 0
84 * zet Ori A SB* 05 40 45.527143 -01 56 33.26036   1.79 1.90     O9.2IbvarNwk 680 0
85 * kap Ori s*b 05 47 45.3888404 -09 40 10.577707 0.87 1.88 2.06 2.09 2.27 B0.5Ia 588 0
86 * 139 Tau s*b 05 57 59.6569390499 +25 57 14.083803544 3.82 4.76 4.82 4.76 4.87 B1Ia 290 0
87 * chi02 Ori s*b 06 03 55.1843706432 +20 08 18.428141364 4.24 4.91 4.63 4.32 4.10 B2Ia 465 0
88 HD 41161 * 06 05 52.4562749544 +48 14 57.417890532 5.66 6.658 6.764     O8Vn 139 0
89 HD 41997 * 06 08 55.8226126488 +15 42 18.192106044 8.16 9.47 9.13 8.83   O7.5Vn((f)) 108 0
90 HD 42088 * 06 09 39.5728368936 +20 29 15.450599580 6.73 7.58 7.57 8.45   O6V((f))z 257 0
91 * bet CMa bC* 06 22 41.9853527 -17 57 21.307352 0.77 1.73 1.97 2.11 2.35 B1II-III 748 0
92 HD 44811 * 06 24 38.3546476632 +19 42 15.806335392 7.72 8.54 8.48 8.91   O7V(n)z 75 0
93 HD 46064 * 06 30 34.8860922360 -13 08 53.425211676   6.00 6.14     B2III 66 0
94 HD 46056 Y*O 06 31 20.8608343776 +04 50 03.842554740 7.60 8.36 8.16 8.16 8.09 O8Vn 242 0
95 HD 46149 Y*O 06 31 52.5319291296 +05 01 59.178678024 7.03 7.80 7.61 7.54 7.36 O8.5V 288 0
96 HD 46150 Y*O 06 31 55.5205071744 +04 56 34.296516096 6.03 6.86 6.73 6.50 6.41 O5V((f))z 413 0
97 HD 46223 Y*O 06 32 09.3068103600 +04 49 24.705695568 6.73 7.50 7.28 6.95 6.79 O4V((f)) 406 0
98 HD 46202 bC* 06 32 10.4706981304 +04 57 59.764912343 7.60 8.332 8.269 7.98 7.86 O9.2V 300 0
99 HD 46485 Y*O 06 33 50.9566745256 +04 31 31.613196504 7.92 8.60 8.27   8.10 O7V((f))nzvar? 162 0
100 HD 46573 SB* 06 34 23.5692982800 +02 32 02.944339980 7.61 8.27 7.93     O7V((f))z 143 0
101 HD 46966 ** 06 36 25.8880460976 +06 04 59.474397540 5.91 6.83 6.87     O8.5IV 218 0
102 HD 47240 Pu* 06 37 52.7038930896 +04 57 24.003132228 5.65 6.35 6.20 5.98 5.87 B1Ib 167 0
103 HD 47432 Pu* 06 38 38.1872868432 +01 36 48.675208608 5.67 6.44 6.31 6.11 6.04 O9.7Ib 194 1
104 HD 47417 * 06 38 47.9259228552 +06 54 06.782405364 6.12 6.91 6.95     B0IV 78 0
105 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 823 0
106 HD 48279 * 06 42 40.5471009337 +01 42 58.252284586 7.26 8.02 7.96 8.72   O8.5VzNstrvar? 173 0
107 HD 48434 s*b 06 43 38.6456583720 +03 55 57.109225980 4.99 5.88 5.90     B0III 166 0
108 * 15 CMa bC* 06 53 32.9069226414 -20 13 27.309395177 3.66 4.62 4.83 4.95 5.17 B1IV 214 0
109 HD 52273 * 06 59 39.2558880792 -21 36 10.417390488   6.11 6.26     B2III 43 0
110 HD 52266 SB* 07 00 21.0763468632 -05 49 35.954203044 6.32 7.22 7.23     O9.5IIIn 125 0
111 HD 52533 SB* 07 01 27.0486333888 -03 07 03.286283952 6.66 7.57 7.68     O8.5IVn 123 0
112 HD 53975 SB* 07 06 35.9651934840 -12 23 38.220633600 5.38 6.40 6.50 6.51   O7.5Vz 206 0
113 HD 54764 Pu* 07 09 33.3632699976 -16 14 04.233013116 5.320 6.120 6.080 7.42   B1Ib/II 85 0
114 HD 54879 SB* 07 10 08.1487629504 -11 48 09.838940004 6.8 7.60 7.65     O9.7V 98 0
115 HD 55879 * 07 14 28.2529558464 -10 18 58.483822572 4.88 5.85 6.03 7.35   O9.7III 180 0
116 * tau CMa SB* 07 18 42.4849951654 -24 57 15.700749738 3.26 4.25 4.40 4.44 4.62 O9II 439 0
117 HD 57236 SB* 07 19 30.1024120872 -22 00 17.279067852 8.21 8.90 8.80 9.41   O8.5V 65 1
118 HD 57682 * 07 22 02.0546074728 -08 58 45.766323408 5.20 6.24 6.43     O9.2IV 275 0
119 HD 60325 * 07 33 22.1853581952 -14 20 17.902042980 5.46 6.17 6.21     B2II 90 0
120 V* PT Pup bC* 07 36 41.0352383592 -19 42 08.425020168 4.65 5.524 5.699     B2III 155 0
121 HD 61347 * 07 38 16.1165383296 -13 51 01.219266504 7.84 9.44 9.29 9.13   O9Ib 73 0
122 V* V390 Pup SB* 07 44 34.1696593944 -24 40 26.686528896   5.43 5.60     B2II 86 0
123 * rho Leo s*b 10 32 48.6703908997 +09 18 23.705339948 2.780 3.720 3.870 3.90 4.06 B1Iab 550 0
124 HD 93521 * 10 48 23.5113981120 +37 34 13.083332412 5.67 6.79 7.03     O9.5IIInn 443 1
125 HD 97991 * 11 16 11.7119307144 -03 28 19.095029580 6.28 7.19 7.41     B1V 149 0
126 * 31 Crt SB* 12 00 51.1591616208 -19 39 32.332235148   5.080 5.264     B2IV 125 0
127 HD 119608 * 13 44 31.3089560400 -17 56 13.217749476 6.65 7.47 7.53 7.51 7.51 B1Ib 127 0
128 HD 120086 V* 13 47 19.1951783352 -02 26 36.605621724 6.92 7.65 7.82     B2IV 98 0
129 * rho Sco SB* 15 56 53.0772000457 -29 12 50.667996815 2.84 3.66 3.86 3.97 4.17 B2IV-V 221 0
130 * bet01 Sco bC* 16 05 26.2319826 -19 48 19.630018 1.68 2.55 2.62 2.60 2.69 B1V 577 0
131 * bet02 Sco SB* 16 05 26.5686169680 -19 48 06.845424840 4.19 4.87 4.89 5.58   B2V 229 0
132 * ome Sco bC* 16 06 48.4249866846 -20 40 09.079866331 3.10 3.92 3.97 3.91 3.99 B1V 492 0
133 * sig Sco bC* 16 21 11.3157134 -25 35 34.051476 2.32 3.02 2.89 1.69 1.58 B1III+B1:V 898 0
134 * zet Oph Be* 16 37 09.5400587698 -10 34 01.509742704 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1908 0
135 HD 157857 Em* 17 26 17.3317676808 -10 59 34.785507480 7.16 7.95 7.78     O6.5II(f) 181 0
136 * 63 Oph * 17 54 54.0432011904 -24 53 13.544140416 5.35 6.24 6.20 7.33   O8II((f)) 185 0
137 HD 163800 * 17 58 57.2584170624 -22 31 03.165347496 6.61 7.27 7.00 6.68 6.49 O7.5III((f)) 161 0
138 HD 163892 SB* 17 59 26.3102746896 -22 28 00.861673188 6.81 7.61 7.44 8.55   O9.5IV(n) 111 0
139 HD 164492 Y*O 18 02 23.5527520992 -23 01 50.999556180 6.49 7.49 6.80 7.52   O7.5Vz 240 0
140 * 9 Sgr Y*O 18 03 52.4450051016 -24 21 38.632254012 5.08 5.97 5.97 5.72 5.70 O4V((f))z 563 0
141 V* V986 Oph bC* 18 04 37.3575698448 +01 55 08.375650428 5.23 6.082 6.147     O9.7IIn 121 0
142 HD 165246 SB* 18 06 04.6792554840 -24 11 43.890335448 6.90 7.70 7.60 8.77   O8V(n) 93 0
143 * 102 Her * 18 08 45.4919267342 +20 48 52.404584093 3.38 4.177 4.347     B2IV 194 0
144 * 11 Sgr Or* 18 09 17.6999100192 -23 59 18.231196056 6.65 7.45 7.31 8.36   O7V(n)z+B0:V: 146 2
145 HD 166546 V* 18 11 57.0991622952 -20 25 24.149352324 6.40 7.26 7.22 8.36   O9.5IV 96 0
146 * 15 Sgr s*b 18 15 12.9063291264 -20 43 41.767600368 4.64 5.42 5.37 5.27 5.19 O9.7Iab 268 0
147 HD 167633 * 18 16 49.6543599336 -16 31 04.308165588 7.69 9.16 9.07 8.91   O6.5V((f)) 85 1
148 HD 167659 * 18 16 58.5644126712 -18 58 05.194091496 6.87 7.54 7.40 8.41   O7II-III(f) 112 0
149 HD 167971 s*b 18 18 05.8947362832 -12 14 33.313601112 7.89 8.27 7.50 6.68 6.279 O8Iaf(n)+O4/5 324 0
150 HD 168075 Y*O 18 18 36.0418343184 -13 47 36.449731536 8.62 9.22 8.77 9.45   O7V(n)((f))z 149 0
151 HD 169454 s*b 18 25 15.1937863728 -13 58 42.309359544 7.39 7.61 6.71 5.82 5.13 B1Ia+ 359 1
152 HD 169582 s*b 18 25 43.1466928224 -09 45 11.033442216 8.74 9.24 8.70     O6Iaf 95 0
153 HD 171589 Em* 18 36 12.6382414200 -14 06 55.832938524 7.91 8.60 8.28 7.95 7.74 O7.5II(f) 86 0
154 HD 175754 Em* 18 57 35.7085336776 -19 09 11.264191704 5.99 6.96 7.03     O8II(n)((f))p 152 0
155 HD 175876 * 18 58 10.7660947512 -20 25 25.541961636 5.79 6.82 6.94 6.93   O6.5III(n)(f) 154 0
156 * kap Aql * 19 36 53.4488871022 -07 01 38.924816492 4.050 4.930 4.960 4.90 4.94 B0.5IIIn 354 0
157 HD 186980 * 19 46 15.9013838928 +32 06 58.165496820 6.72 7.56 7.48     O7.5III((f)) 127 0
158 V* V1765 Cyg SB* 19 48 50.5979466384 +33 26 14.222537016 5.99 6.578 6.463     B0.5II 151 0
159 V* V380 Cyg SB* 19 50 37.3267754400 +40 35 59.135141652 4.86 5.613 5.680     B1.1III+B2.5/3V: 305 0
160 HD 188209 s*b 19 51 59.0687638680 +47 01 38.419078944 4.61 5.55 5.63 5.54 5.64 O9.5Iab 322 0
161 HD 188252 Pu* 19 52 07.1662436976 +47 55 54.461806320 4.87 5.722 5.897     B2III 84 0
162 * 9 Sge s*b 19 52 21.7649260368 +18 40 18.751320984 5.32 6.24 6.23     O7.5Iabf 308 1
163 HD 188439 Pu* 19 53 01.2463552968 +47 48 27.793662768 5.24 6.147 6.279     B0.5IIIn 111 1
164 HD 189957 * 20 01 00.0040048824 +42 00 30.822588756 6.93 7.84 7.82     O9.7III 110 0
165 HD 190603 s*b 20 04 36.1742825304 +32 13 06.953333016 5.73 6.19 5.65 5.13 4.71 B1.5Ia+ 357 0
166 HD 190864 Em* 20 05 39.8022808800 +35 36 27.991297908 7.18 7.93 7.78     O6.5III(f) 233 0
167 HD 191423 * 20 08 07.1135347944 +42 36 21.962454480 7.43 8.19 8.03     ON9II-IIInn 119 0
168 HD 191612 SB* 20 09 28.6105997664 +35 44 01.286453904 7.40 8.07 7.80     O8fpe 250 0
169 HD 191978 Pu* 20 10 58.2799378920 +41 21 09.926824572 7.38 8.15 8.03     O8Vz 77 0
170 HD 192001 SB* 20 11 01.7066647560 +42 07 36.402475404 7.97 8.52 8.29     O9.5IV 60 0
171 HD 191877 * 20 11 21.0168163968 +21 52 29.770935312 5.51 6.217 6.269     B1Ib 92 0
172 V* V2011 Cyg SB* 20 12 33.1203741480 +40 16 05.445674868 7.32 7.85 7.55     O4.5V(n)((f)) 221 0
173 HD 192639 s*b 20 14 30.4275801672 +37 21 13.816276704 6.83 7.46 7.11     O7.5Iabf 309 0
174 HD 193322A SB* 20 18 06.9878053728 +40 43 55.501814100   6.004 5.958     O9IV(n) 19 0
175 HD 228841 Em* 20 18 29.6946566952 +38 52 39.774824724 9.08 9.50 9.01     O6.5Vn((f)) 66 0
176 HD 193514 Em* 20 19 08.4971150880 +39 16 24.253036608 7.32 7.83 7.38     O7Ib(f) 193 0
177 HD 194280 s*b 20 23 26.3118358272 +38 56 21.030835740 8.94 9.08 8.42     OC9.7Iab 78 0
178 HD 195592 s*b 20 30 34.9690901208 +44 18 54.859533372 7.75 7.95 7.08 6.29 5.60 O9.7Ia 221 1
179 HD 199579 Y*O 20 56 34.7779063080 +44 55 29.000891928 5.16 6.01 5.96     O6.5V((f))z 375 0
180 HD 201345 * 21 07 55.4150161776 +33 23 49.228548972   7.611 7.764     ON9.2IV 186 0
181 HD 201795 * 21 10 38.5495121016 +38 57 40.324573944 6.61 7.50 7.53     B0.7V 44 0
182 HD 202214 ** 21 11 48.23752 +59 59 11.8024 4.97         O9.5IV 150 0
183 HD 202124 s*b 21 12 28.3896178416 +44 31 54.129118980 7.33 7.94 7.76     O9Iab 104 0
184 * 68 Cyg SB* 21 18 27.1862219256 +43 56 45.399147864 4.05 4.99 5.00     O7.5IIIn((f)) 383 0
185 * 69 Cyg s*b 21 25 47.0250895464 +36 40 02.584183260 4.89 5.86 5.94     B0.2Iab 207 0
186 HD 205139 * 21 30 59.2916490744 +60 27 33.954560208 4.92 5.604 5.522     B1Ib 104 0
187 * 9 Cep s*b 21 37 55.2241394424 +62 04 54.990376788 4.49 5.03 4.73 4.42 4.24 B2Ib 315 0
188 HD 206183 * 21 38 26.2840588344 +56 58 25.459055868 6.75 7.55 7.41     O9.5IV-V 103 0
189 HD 207198 Y*? 21 44 53.2791389640 +62 27 38.048647248 5.61 6.25 5.94 5.66 5.49 O8.5II 365 0
190 HD 207538 * 21 47 39.7896725544 +59 42 01.348647696 7 7.55 7.30     O9.7IV 213 1
191 * 19 Cep * 22 05 08.7897533088 +62 16 47.332569936 4.36 5.19 5.11 4.95 4.92 O9Ib 397 0
192 * 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 705 1
193 HD 210809 s*b 22 11 38.6004719208 +52 25 47.950615308 6.7 7.61 7.56     O9Iab 223 0
194 * 26 Cep s*b 22 27 05.3104700184 +65 07 56.160347196 5.24 5.806 5.515     B0.5Ib 157 0
195 * 10 Lac ** 22 39 15.6786372 +39 03 00.971152 3.650 4.670 4.880 4.98 5.19 O9V 790 0
196 HD 216532 V* 22 52 30.5558211936 +62 26 25.947105900 8.06 8.46 8.0     O8.5V(n) 149 0
197 HD 216898 Pu* 22 55 42.4584233736 +62 18 22.821300252 8.10 8.58 8.04     O9V 161 0
198 HD 217086 Y*O 22 56 47.1887590800 +62 43 37.657173900 7.88 8.30 7.66 8.35   O7Vnn((f))z 263 0
199 HD 218195 ** 23 05 12.93161 +58 14 29.3496 7.91     8.811   O8.5III 80 0
200 HD 218195A * 23 05 12.9325475581 +58 14 29.348038020   8.72 8.52     O8.5IIINstr 9 0
201 * 1 Cas * 23 06 36.8177774777 +59 25 11.135356051 3.93 4.771 4.840     B0.5III 254 0
202 HD 218915 s*b 23 11 06.9483955128 +53 03 29.652921252 6.32 7.22 7.20     O9.2Iab 206 1
203 V* V373 Cas SB* 23 55 33.8386958472 +57 24 43.807358448 5.49 6.21 6.00     B0.5II+B3.5/4III/V 157 0

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