2023A&A...679A.109C

Query : 2023A&A...679A.109C

2023A&A...679A.109C - Astronomy and Astrophysics, volume 679A109 (2023/11-1)

Galactic runaway O and Be stars found using Gaia DR3.

CARRETERO-CASTRILLO M., RIBO M. and PAREDES J.M.

Abstract (from CDS):

Context. A relevant fraction of massive stars are runaway stars. These stars move with a significant peculiar velocity with respect to their environment.
Aims. We aim to discover and characterize the population of massive and early-type runaway stars in the GOSC and BeSS catalogs using Gaia DR3 astrometric data.
Methods. We present a two-dimensional method in the velocity space to discover runaway stars as those that deviate significantly from the velocity distribution of field stars. Field stars are considered to follow the Galactic rotation curve.
Results. We found 106 O runaway stars, 42 of which were not previously identified as runaways. We found 69 Be runaway stars, 47 of which were not previously identified as runaways. The dispersion of runaway stars is a few times higher in Z and b than that of field stars. This is explained by the ejections they underwent when they became runaways. The percentage of runaways is 25.4% for O-type stars, and it is 5.2% for Be-type stars. In addition, we conducted simulations in three dimensions for our catalogs. They revealed that these percentages could increase to ∼30% and ∼6.7%, respectively. Our runaway stars include seven X-ray binaries and one gamma-ray binary. Moreover, we obtain velocity dispersions of ∼5 km s–1 perpendicular to the Galactic plane for O- and Be-type field stars. These values increase in the Galactic plane to ∼7 km s–1 for O-type stars due to uncertainties and to ∼9 km s–1 for Be-type stars due to Galactic velocity diffusion.
Conclusions. The excellent Gaia DR3 astrometric data have allowed us to identify a significant number of O-type and Be-type runaways in the GOSC and BeSS catalogs. The higher percentages and higher velocities found for O-type compared to Be-type runaways underline that the dynamical ejection scenario is more likely than the binary supernova scenario. Our results open the door to identifying new high-energy systems among our runaways by conducting detailed studies.

Abstract Copyright: © The Authors 2023

Journal keyword(s): catalogs - stars: early-type - stars: emission-line - Be - stars: kinematics and dynamics - X-rays: binaries - gamma rays: stars

VizieR on-line data: <Available at CDS (J/A+A/679/A109): gosc.dat bess.dat>

Errata: erratum vol. 694, art. C6 (2025)

Simbad objects: 188

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Number of rows : 188
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 NAME NCP reg 00 00 00 +90 00.0           ~ 216 0
2 HD 225146 s*b 00 03 57.5025246576 +61 06 13.094034012 8.32 8.96 8.60     O9.7Iab 95 0
3 BD+61 39 Be* 00 20 17.4259421640 +62 27 49.955557104 8.06 9.00 8.85     B0.5IV 38 0
4 BD+34 113 * 00 46 34.4428211952 +34 49 43.774887684   11.12 9.90     B2III:e 8 0
5 CD-56 152 Be* 00 49 01.3059074664 -56 05 49.339960980   10.11 10.18     Be 67 0
6 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
7 BD+60 134 * 00 56 14.2146529032 +61 45 36.974823444 11 11.29 10.6     O5.5V(n)((f)) 30 0
8 HD 5689 * 00 59 47.5908405456 +63 36 28.250542152 8.79 9.41 9.19     O7Vn((f)) 60 0
9 HBHA 6210-03 Be* 01 09 58.7965583400 +62 52 29.254696212     13.6     B3e 10 0
10 HD 7636 Be* 01 17 26.2940611656 +57 37 55.454989260 6.06 6.75 6.61     B2IIIne 85 0
11 BD+60 261 * 01 32 32.7211393416 +61 07 45.841195308 8.27 8.94 8.69     O7.5III(n)((f)) 57 0
12 NGC 663 240 Be* 01 45 11.6808400608 +61 10 22.952780940           ~ 7 0
13 2MASS J01580445+6530206 Be* 01 58 04.4435828928 +65 30 20.620816812           B5-6Ve 5 0
14 HD 12323 SB* 02 02 30.1268458032 +55 37 26.372271540 7.95 8.87 8.92     ON9.2V 193 0
15 HD 12993 V* 02 09 02.4741997056 +57 55 55.948483236 8.38 9.13 8.98     O6.5V((f))Nstr 154 0
16 HD 13745 bC* 02 15 45.9350391312 +55 59 46.727495484 7.22 7.99 7.90     O9.7II(n) 183 1
17 2MASS J02164740+6428130 Be* 02 16 47.4066628752 +64 28 12.902984976           B 4 0
18 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
19 HD 14850 Be* 02 23 00.5241013728 -29 37 10.076863152   8.31 8.40     B8IIIe 47 0
20 IPHAS J022502.71+644947.7 Be* 02 25 02.6919445320 +64 49 47.542057464           B7-8Ve 5 0
21 HD 15137 SB* 02 27 59.8113542520 +52 32 57.589857672 7 7.92 7.86     O9.5II-IIIn 143 0
22 HD 15642 * 02 32 56.3830465728 +55 19 39.055987236 9.305 8.56 8.55     O9.5II-IIIn 110 0
23 LS I +61 303 HXB 02 40 31.6644419688 +61 13 45.593918580 11.27 11.61 10.75 10.19 9.55 B0Ve 903 2
24 HD 16691 Em* 02 42 52.0259349000 +56 54 16.463813796 10.187 9.07 8.70     O4If 163 0
25 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
26 HD 18409 * 03 00 29.7126315336 +62 43 19.052057856 9.832 8.72 8.40     O9.7Ib 84 0
27 HD 20340 Be* 03 15 45.8644215984 -16 49 43.503765132 7.26 7.83 7.96     B3Ve 63 0
28 V* BQ Cam HXB 03 34 59.9116110096 +53 10 23.296879776   17.16 15.42 14.26 13.04 O8.5Ve 525 1
29 EM* StHA 22 Em* 03 40 42.4339983408 +12 56 53.241115164   11.97 11.71     B3V 13 0
30 BD+50 886 * 04 03 20.7488407416 +51 18 52.519476312 13.766 12.27 11.22     O4V((fc)) 38 0
31 HD 30677 * 04 50 03.6139961664 +08 24 28.239300108 5.94 6.82 6.84     B1II-III((n)) 74 0
32 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
33 BD+39 1328 s*b 05 32 13.8496699896 +40 03 57.897493524 9.95 10.28 9.92     O8.5Iab(n)(f) 49 0
34 HD 36879 * 05 35 40.5264730272 +21 24 11.719601856 6.97 7.69 7.58     O7V(n)((f))z 157 0
35 HD 41997 * 06 08 55.8226126488 +15 42 18.192106044 8.16 9.47 9.13 8.83   O7.5Vn((f)) 108 0
36 HD 43789 Be* 06 15 56.5627042800 -44 37 10.692099084   8.45 8.55     B6/B7Ve 22 0
37 HD 44811 * 06 24 38.3546476632 +19 42 15.806335392 7.72 8.54 8.48 8.91   O7V(n)z 75 0
38 RL 128 V* 06 24 59.8664756880 +26 49 19.398522648 14.31 15.21 15.11 15.180   O4.5V((c))z 18 0
39 BD-21 1449 Em* 06 25 16.9423298112 -21 20 04.312625172   10.47 10.49     Be 9 0
40 HD 259440 HXB 06 32 59.2566076656 +05 48 01.160755848 9.17 9.63 9.15     B0pe 256 0
41 HD 46573 SB* 06 34 23.5692982800 +02 32 02.944339980 7.61 8.27 7.93     O7V((f))z 143 0
42 HD 48099 Be* 06 41 59.2308626256 +06 20 43.532571372 5.38 6.32 6.37 6.30 6.35 O5V((f))z+O9:V 310 0
43 HD 57682 * 07 22 02.0546074728 -08 58 45.766323408 5.20 6.24 6.43     O9.2IV 275 0
44 BD-10 2073 Be* 07 29 58.9132257432 -11 15 48.683171772 9.56 10.42 10.29 10.40   B0:ne 17 0
45 BD-15 1909 * 07 34 58.4623937424 -16 14 23.209706616 10.06 10.83 10.58 10.59   O6.5V((f))z 16 0
46 BD-11 2043 Be* 07 39 42.2416736376 -12 15 33.378832512 8.71 9.90 9.74 9.80   B0:ne 23 0
47 CD-26 5136 s*b 07 53 01.0106116416 -27 06 57.769730208 9.37 10.00 9.67 9.86   O6.5Iabf 36 0
48 HD 64568 * 07 53 38.2051918848 -26 14 02.598056556 8.64 9.50 9.39 9.77 9.204 O3V((f*))z 116 0
49 CD-34 4496 s*b 08 13 35.3610351432 -34 28 43.949023428 9 9.79 9.76 9.67   O7.5Ib(f)p 33 0
50 HD 74194 HXB 08 40 47.7915253032 -45 03 30.235569624 7.05 7.77 7.55 8.70   O8.5Ib-II(f)p 220 0
51 HD 74920 * 08 45 10.3405991688 -46 02 19.239667872 6.64 9.46 9.09 8.58   O7.5IVn((f)) 77 0
52 HD 75211 SB* 08 47 01.5921294816 -44 04 28.848481212 7.35 7.90 7.50 8.28   O8.5II((f)) 99 0
53 HD 75222 s*b 08 47 25.1378783304 -36 45 02.670440616 7.24 7.80 7.42 8.22   O9.7Iab 102 0
54 Ass Vel OB 1 As* 08 49.9 -45 00           ~ 104 0
55 CD-29 6963 Be* 08 56 48.2457668592 -30 11 01.883103576   9.40 9.25     Be 18 0
56 HD 77147 Be* 08 57 23.2723659456 -63 29 48.969588912   8.48 8.45     B8V 15 0
57 HD 76968 V* 08 57 28.8524478672 -50 44 58.197488784 6.53 7.33 7.21 7.01 6.87 O9.2Ib 99 1
58 V* GP Vel HXB 09 02 06.8608812864 -40 33 16.899168060 6.85 7.37 6.87 6.31 6.05 B0.5Ia 1588 0
59 HD 79811 Be* 09 14 38.6207962872 -45 34 33.659152824   9.50 9.32     B5V 16 0
60 HD 81357 Em* 09 27 23.9126909832 +58 08 34.223428896   8.47 8.35     B8 28 0
61 HD 298429 * 09 30 37.2571070208 -51 39 34.694474940 9.78 10.46 9.97 9.80   O8.5V 49 0
62 HD 83043 Be* 09 33 55.1545895664 -53 38 06.263170368 7.67 9.45 9.14 8.89   B2/3Vne 54 0
63 HD 309784 Be* 09 42 36.4725315216 -67 08 53.671112880   10.18 10.20 10.34   B2ne 16 0
64 HD 85860A * 09 54 05.1347933698 -27 59 56.449050746   7.04 7.17     ~ 1 0
65 HD 86606 s*b 09 56 09.7331422080 -71 23 21.479957520 5.33 6.219 6.330     B1Ib 66 1
66 HD 89137 * 10 15 40.0854126480 -51 15 24.093239544 7.02 7.93 7.97 8.82   ON9.7II(n) 105 0
67 1FGL J1018.6-5856 HXB 10 18 55.5875706288 -58 56 45.975246900   13.638 12.683     O6V((f)) 156 0
68 HD 89625 Em* 10 18 58.2516872016 -59 46 04.303302096 8.17 9.87 9.56 9.49   ON9.2IVn 29 0
69 HD 90177 s*b 10 22 53.8430096928 -59 37 28.363616256 9.16 9.66 8 8.15   LBV 342 0
70 SS 215 WR* 10 23 23.4905042448 -58 00 20.834862120   13.86 12.69 12.19 10.75 O2If*/WN5 29 0
71 HD 90436 Be* 10 24 50.6529091992 -59 47 32.536425012   9.11 9.16     B8/9Vn 18 0
72 THA 35-II-42 WR* 10 25 56.5024585224 -57 48 43.519215708   14.168 12.661 12.102   WN5ha/O3+O3Vz((f*)) 105 0
73 HD 91837 * 10 34 49.5067682424 -60 11 14.042526936 7.42 9.31 9.31 9.38   O8.5Vn 31 0
74 HD 93383 Be* 10 46 25.0856706792 -33 19 29.892895680   8.81 8.57     B9.5Vne 9 0
75 HD 305560 s*b 10 46 28.4566624008 -60 33 50.766610968 9.47 10.12 9.79 9.93 9.484 O9I 57 0
76 HD 94024 SB* 10 50 01.5072417792 -57 52 26.267968992 8.03 9.15 9.45 9.41   O8IV 63 0
77 HD 303492 Em* 10 51 52.7493254280 -58 58 35.267527560 9.00 9.45 8.85 9.40   O8.5Iaf 66 0
78 HD 94909 s*b 10 56 24.4652481336 -57 33 04.833174060 7.31 7.82 7.34 8.13   B0Ia 77 0
79 HD 96715 * 11 07 32.8167251952 -59 57 48.704400540 7.51 8.32 8.28 9.04   O4V((f))z 125 0
80 HD 96917 V* 11 08 42.6179945208 -57 03 56.913146676 6.46 7.29 7.21 7.04 6.89 O8Ib(n)(f) 114 0
81 V* TU Mus SB* 11 31 10.9241479224 -65 44 32.099167788 7.58 9.52 9.34 9.25   O8V(n)z+B0V(n) 185 0
82 HD 102383 Be* 11 46 56.1594456696 -41 17 34.032693048   9.17 9.18     B5/7Vne 21 0
83 HD 104565 s*b 12 02 27.7963243920 -58 14 34.358968176 9 9.55 9.27 9.65   OC9.7Iab 54 0
84 HD 105056 s*b 12 05 49.8804411912 -69 34 22.996270632 6.57 9.07 8.74 8.45   ON9.7Iae 135 1
85 HD 105627 SB* 12 09 44.5819662312 -62 34 54.626272356 7.31 8.21 8.19 9.05   O9III 88 0
86 V* AB Cru SB* 12 17 37.1227102224 -58 09 52.438865868 7.75 8.59 8.49 9.53   O8III 87 0
87 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
88 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 852 0
89 HD 114200 Be* 13 10 52.7087329248 -70 48 31.052162448 7.68 9.76 9.31 9.32   B0/2(V)e 29 0
90 HD 114981 Be* 13 14 40.6843201920 -38 39 05.650899840 6.43 7.07 7.12     B5V 55 0
91 HD 116282 * 13 23 56.2551122736 -59 48 34.816526568 9.46 10.07 9.69 9.91   O8III(n) 38 0
92 HD 116852 * 13 30 23.5185791544 -78 51 20.547734652 8.29 8.38 8.47     O8.5II-III((f)) 163 1
93 HD 117490 * 13 32 08.5985517168 -60 48 55.484598312 8.13 8.94 8.92 9.52   ON9.5IIInn 47 0
94 HD 120521 * 13 51 33.9825427488 -58 32 22.270329672 8.06 8.79 8.58 9.33   O7.5Ib(f) 65 0
95 HD 124979 * 14 18 11.9392840920 -51 30 13.855274964 7.81 8.61 8.51 9.37   O7.5IV(n)((f)) 95 1
96 HD 125241 Pu* 14 20 22.7843645064 -60 53 22.245268236 8.60 9.08 8.60 8.95   O8.5Ib(f) 89 0
97 HD 127617 Em* 14 31 59.5577613792 +18 46 00.730338204 8.12 8.62 8.73     A3 31 0
98 CD-44 9598 Be* 14 46 55.1037463632 -45 13 59.255400396 9.68 10.17 10.14     B6Ve 22 0
99 HD 130298 SB* 14 49 33.7650740400 -56 25 38.474619060 9.14 10.06 9.83 9.65   O6.5III(n)(f) 90 0
100 HD 134671 Be* 15 13 02.0197054872 -50 44 06.339329268   9.89 9.80     B7Ve 19 0
101 [M79] Cir 10 * 15 13 55.2047908992 -59 07 51.601078848 12.3 12.21 11.63     O5n(f)p 13 0
102 HD 140114 Be* 15 46 12.8457017520 -67 26 37.241479644 9.17 9.48 9.53     B8/9III 16 0
103 HD 146755 Be* 16 23 04.1274989280 -69 21 04.742199540   9.41 9.42     B3/7(Vne) 10 0
104 HD 148546 Pu* 16 30 23.3122183296 -37 58 21.169697268 7.28 7.99 7.71 8.58   O9Iab 91 0
105 CPD-50 9557 s*b 16 39 07.702176 -50 54 08.25624 12.03 12.123 11.113 10.932   09.5Ia 16 0
106 HD 152505 Be* 16 56 09.5651202384 -49 01 59.745540504   8.99 8.85 8.83 9.058 B2/3Vne 23 0
107 HD 153977 Be* 17 03 43.5190162440 -24 50 07.599000732 9.06 9.42 9.42     B5II/III 27 0
108 HD 153919 HXB 17 03 56.7725629224 -37 50 38.913331452 6.06 6.78 6.51 6.08 5.90 O6Iafcp 851 0
109 HD 154188 * 17 04 32.0524054032 -16 32 27.705602256   10.28 10.12     B8(IV)n(e) 8 0
110 HD 326775 EB* 17 05 31.3097849352 -41 31 20.111206584 11.42 11.54 10.55 10.40   O6.5V(n)((f))z 30 0
111 EM* StHA 143 Em* 17 14 25.3770344592 +31 35 00.563395056   11.66 12.02     Be 11 0
112 V* V1012 Sco EB* 17 15 22.3245385176 -38 12 46.690529760 5.87 8.66 8.61 7.83   O9.7III(n) 70 0
113 HD 155756 * 17 15 50.1487325712 -45 54 38.761167528 9.39 9.81 9.55 9.68   O9Ibp 33 0
114 HD 155913 * 17 16 26.3328574536 -42 40 04.122580080 8.2 8.81 8.34 9.05   O4.5Vn((f)) 63 0
115 TYC 7370-460-1 * 17 18 15.4062050856 -34 00 06.221570760   13.24 11.79     O6V((f))+O8V 14 0
116 HD 157857 Em* 17 26 17.3317676808 -10 59 34.785507480 7.16 7.95 7.78     O6.5II(f) 181 0
117 HD 158503 Be* 17 33 11.3470275912 -58 33 27.115497684   7.20 7.03     B(7)Vnnep 31 0
118 HD 159489 Be* 17 37 13.8358286256 -45 09 26.642731500 7.59 8.17 8.20     B1Ve 40 0
119 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
120 HD 161543 Be* 17 46 15.1852350480 -01 09 00.162079524   8.97 8.84     B7IIIe 27 0
121 BD+23 3183 Em* 17 47 03.2744329776 +23 19 45.354097632   10.257 10.191 10.117   A1-A2II/III 28 0
122 HD 161961 s*b 17 48 36.8549150712 -02 11 46.295116620 7.45 8.12 7.89     B0.5Ib 67 0
123 HD 161858 Be* 17 50 18.8732535264 -47 13 49.880366976   7.75 7.59     B5/7Vne 29 0
124 CPD-56 8537 Be* 18 01 16.1513812704 -56 17 09.715423776   10.1       ~ 4 0
125 HD 164438 SB* 18 01 52.2806275248 -19 06 22.079599596 7.37 8.89 8.76 8.28   O9.2IV 103 0
126 LS IV -13 3 * 18 04 17.8835048232 -13 06 13.716130392 11.77 11.99 11.05 10.96   ON6V((f)) 17 0
127 HD 313846 WR* 18 05 25.7344895280 -23 00 20.334949992 10.48 10.69 9.89 9.89   WN9h+OB 143 0
128 HD 165319 * 18 05 58.8359515224 -14 11 52.998222768 8.15 8.63 8.04 7.50 7.00 O9.7Ib 86 1
129 HD 166734 s*b 18 12 24.6551425392 -10 43 53.060750040 9.36 9.49 8.42 7.33 6.47 O7.5Iabf 193 0
130 HD 168461 * 18 20 17.1780632592 -12 10 19.223967072 9.8 10.22 9.66 9.79   O7.5V((f))Nstr 41 0
131 BD-10 4682 * 18 24 20.6512654464 -10 48 34.310098404 9.64 10.03 9.61     O7Vn((f)) 37 0
132 BD-14 5040 * 18 25 38.9003265072 -14 45 05.708025828   11.52 10.54 10.31   O5.5V(n)((f)) 37 0
133 V* V479 Sct HXB 18 26 15.0561548880 -14 50 54.247274304 12.02 12.23 11.27 11.04   ON6V((f))z 613 2
134 BD-08 4617 * 18 29 14.3289265776 -08 33 40.905539460 10.06 10.16 9.37     O8.5III(n) 39 0
135 EM* MWC 300 Ae* 18 29 25.6913480400 -06 04 37.290320796 12.55 12.67 13.795     B1Ia+[e] 145 0
136 BD-08 4623 s*b 18 30 34.7885722032 -08 38 03.704166600 11.52 11.5 10.5     B0.5Ia 19 0
137 HD 171012 s*b 18 33 10.0974482736 -18 22 06.189324240 6.90 7.49 6.99 6.58 6.18 B0.2Ia 76 0
138 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
139 HD 172175 s*b 18 39 03.7744177488 -07 51 35.440779672 9.63 10.00 9.54     O6.5I(n)fp 66 0
140 BD-05 4819 Be* 18 57 13.0291613376 -05 31 30.094879620 10.09 10.77 10.6     B2IV:pe 24 0
141 HD 179253 Be* 19 13 44.1896629776 -42 24 48.154146912   9.75 9.78     B7Ve 16 0
142 HD 181409 * 19 19 03.7406006640 +33 23 19.713915816 5.51 6.394 6.586     B2V 63 0
143 HD 338916 Em* 19 45 42.1151605392 +25 21 16.409831436 10.36 10.70 10.17     O7.5Vz 56 0
144 HD 186980 * 19 46 15.9013838928 +32 06 58.165496820 6.72 7.56 7.48     O7.5III((f)) 127 0
145 HD 338931 Em* 19 47 02.7408701112 +24 50 55.551654816 9.38 9.72 9.14     O6III(f) 47 0
146 HD 225985 Be* 19 49 32.9131999248 +32 57 22.291957476 8.41 9.19 9.16     B1V:pshe 37 0
147 HD 187350 Be* 19 49 33.4538897304 -01 06 03.717545904 7.53 8.20 8.14     B1Vne 48 0
148 * 9 Sge s*b 19 52 21.7649260368 +18 40 18.751320984 5.32 6.24 6.23     O7.5Iabf 308 1
149 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4590 0
150 HD 227018 * 19 59 49.1028248712 +35 18 33.550210836 8.75 9.35 9.00     O6.5V((f))z 110 0
151 HD 189957 * 20 01 00.0040048824 +42 00 30.822588756 6.93 7.84 7.82     O9.7III 110 0
152 HD 190066 s*b 20 02 22.1030449008 +22 09 05.249915568 6.07 6.78 6.60 6.43 6.36 B0.7Ib 87 0
153 Cl* NGC 6871 BP 2 * 20 04 54.0303292800 +35 51 21.540468888   11.85 11.98     B5Ve 5 0
154 Ass Cyg OB 3 As* 20 07 +35.9           ~ 190 0
155 HD 191423 * 20 08 07.1135347944 +42 36 21.962454480 7.43 8.19 8.03     ON9II-IIInn 119 0
156 V* V372 Sge bC* 20 09 39.5945322600 +21 04 43.634595144   8.26 8.34     B0.5III-IV 46 0
157 HD 191781 s*b 20 09 50.5814420544 +45 24 10.486830312 10.1 10.06 9.53     ON9.7Iab 71 0
158 HD 191978 Pu* 20 10 58.2799378920 +41 21 09.926824572 7.38 8.15 8.03     O8Vz 77 0
159 HD 192001 SB* 20 11 01.7066647560 +42 07 36.402475404 7.97 8.52 8.29     O9.5IV 60 0
160 V* V2011 Cyg SB* 20 12 33.1203741480 +40 16 05.445674868 7.32 7.85 7.55     O4.5V(n)((f)) 221 0
161 HD 192639 s*b 20 14 30.4275801672 +37 21 13.816276704 6.83 7.46 7.11     O7.5Iabf 309 0
162 HD 193009 Be* 20 16 48.1819799400 +32 22 47.398192248 6.41 7.25 7.16     B1V:nnpe 82 0
163 HD 228779 s*b 20 17 54.1881945216 +34 49 02.035707276 10.45 10.23 8.92     O9Iab 58 0
164 HD 228841 Em* 20 18 29.6946566952 +38 52 39.774824724 9.08 9.50 9.01     O6.5Vn((f)) 66 0
165 HD 355402 Em* 20 19 21.4416568176 +14 54 51.455141856   10.73 10.87     B8 11 0
166 HD 193682 Em* 20 20 08.9387110032 +37 49 51.313158876 8.44 8.87 8.42     O4.5IV(f) 95 0
167 LS III +41 20 * 20 22 37.7657038824 +41 40 29.253851472   11.80 10.81     O4.5III(n)(fc)p 14 0
168 HD 195407 Be* 20 29 47.7636491928 +36 58 49.368844488 7.47 8.13 7.80     B1Ve_shell 74 0
169 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
170 HD 195907 Be* 20 33 05.1135226248 +31 39 25.311253932 7.11 7.85 7.82     B1.5V 59 0
171 BD+43 3654 s*b 20 33 36.0795027528 +43 59 07.364004504   11.24 10.06     O4If 76 0
172 BD+36 4145 Em* 20 36 18.2062785936 +37 25 02.815437468 9.23 9.47 8.96     O8.5V(n) 48 0
173 V* Y Cyg SB* 20 52 03.5771840640 +34 39 27.486121104 6.31 7.23 7.32     O9.5IV+O9.5IV 382 0
174 BD+40 4353 * 20 54 16.1196948024 +40 50 13.713773964   10.54 9.46     B2Ve 7 0
175 SAX J2103.5+4545 HXB 21 03 35.7100848936 +45 45 05.568751692   15.34 14.20 13.991 12.75 B0Ve 197 0
176 HD 201345 * 21 07 55.4150161776 +33 23 49.228548972   7.611 7.764     ON9.2IV 186 0
177 HD 202124 s*b 21 12 28.3896178416 +44 31 54.129118980 7.33 7.94 7.76     O9Iab 104 0
178 HD 203699 Be* 21 23 35.3868997728 +14 03 00.641714544 6.18 6.75 6.86     Be 70 0
179 HD 205618 Be* 21 35 44.4770094600 +29 44 43.892316780 7.25 8.13 8.16     B2Vne 49 0
180 HD 208220 Be* 21 53 43.5962613840 +43 28 58.188983844 8.78 9.46 9.45     B1IVe 36 0
181 HD 208886 Be* 21 59 55.5415486944 -31 31 32.649950676   6.98 7.06     B5IVe 46 0
182 EM* StHA 198 Em* 22 21 11.4876388464 +77 04 08.042521296   10.92 10.54     Be 10 0
183 EM* MWC 1063 Em* 22 29 08.1434082576 +51 13 30.046225044   10.92 10.75     B5:e 11 0
184 HD 216044 Be* 22 48 43.2769992624 +55 07 33.768284952 7.77 8.55 8.52     B0III-IV 50 0
185 LS III +56 109 SB* 22 55 44.9377506456 +56 28 36.644440404   11.11 10.68     O5.5V(n)((fc))+B 24 0
186 BD+57 2678 Be* 23 03 36.8046374328 +58 18 35.075022624 9.78 10.21 9.8     B2 25 0
187 BD+60 2522 Em* 23 20 44.5134945744 +61 11 40.530567984 8.46 9.08 8.67     O6.5(n)fp 228 1
188 NAME Cepheus Spur As* ~ ~           ~ 16 0

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