2017A&A...598A.108L

Query : 2017A&A...598A.108L

2017A&A...598A.108L - Astronomy and Astrophysics, volume 598A, 108-108 (2017/2-1)

Variability survey of brightest stars in selected OB associations.

LAUR J., KOLKA I., EENMAE T., TUVIKENE T. and LEEDJARV L.

Abstract (from CDS):

Context. The stellar evolution theory of massive stars remains uncalibrated with high-precision photometric observational data mainly due to a small number of luminous stars that are monitored from space. Automated all-sky surveys have revealed numerous variable stars but most of the luminous stars are often overexposed. Targeted campaigns can improve the time base of photometric data for those objects.
Aims. The aim of this investigation is to study the variability of luminous stars at different timescales in young open clusters and OB associations.
Methods. We monitored 22 open clusters and associations from 2011 to 2013 using a 0.25-m telescope. Variable stars were detected by comparing the overall light-curve scatter with measurement uncertainties. Variability was analysed by the light curve feature extraction tool FATS. Periods of pulsating stars were determined using the discrete Fourier transform code SigSpec. We then classified the variable stars based on their pulsation periods and available spectral information.
Results. We obtained light curves for more than 20 000 sources of which 354 were found to be variable. Amongst them we find 80 eclipsing binaries, 31 α Cyg, 13 β Cep, 62 Be, 16 slowly pulsating B, 7 Cepheid, 1 γ Doradus, 3 Wolf-Rayet and 63 late-type variable stars. Up to 55% of these stars are potential new discoveries as they are not present in the Variable Star Index (VSX) database. We find the cluster membership fraction for variable stars to be 13% with an upper limit of 35%.

Abstract Copyright: © ESO, 2017

Journal keyword(s): stars: variables: general - stars: massive - surveys - open clusters and associations: general

VizieR on-line data: <Available at CDS (J/A+A/598/A108): table[1-9].dat table10.dat table11.dat tablea11.dat lc/*>

Simbad objects: 303

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Number of rows : 303
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 HD 236763 EB* 01 31 31.8134903736 +60 33 35.701225020   9.90 9.507     B5 6 0
2 V* V1122 Cas Be* 01 33 15.1406544120 +60 41 00.064068900   9.95 9.712 9.75   B0-1Ve 17 0
3 EM* GGA 52 EB* 01 33 16.3315046328 +60 38 01.456429848   11.45 11.22     B2 25 0
4 M 103 OpC 01 33 21.4 +60 39 32   7.72 7.4     ~ 201 0
5 EM* GGA 54 Be* 01 33 24.3386195448 +60 39 44.741355804   11.611 11.270     B2Ve 10 0
6 BD+59 274 V* 01 33 29.2148328144 +60 38 47.710826664 12.90 10.64 8.54     M0.5Ib-II 47 0
7 V* V472 Cas LP* 01 33 31.9242112008 +60 32 47.112427428     12.371     ~ 8 0
8 NGC 581 86 ** 01 33 33.9023031024 +60 42 59.465810016   12.765 10.890 10.387   M5 7 0
9 V* V1132 Cas gD* 01 33 45.4780599456 +60 37 23.191659156   8.53 8.23     F1V 44 0
10 V* V1141 Cas EB* 01 38 17.9955240936 +61 08 35.028167172   12.12 11.929     B5: 9 0
11 IRAS 01359+6024 LP? 01 39 19.3248915072 +60 39 38.349320076   13.17 11.178     M4II 7 0
12 BD+60 306 EB* 01 41 44.8493485776 +61 15 15.019776612   11.01 9.873     G5III 5 0
13 BD+60 307 Be* 01 41 46.5052075416 +61 19 30.062522748 10.64 10.91 10.657     B2Ve 18 0
14 V* AZ Cas s*r 01 42 16.5129744456 +61 25 16.344661008 11.32 10.94 9.22     K5Iab-Ib 78 0
15 2MASS J01430579+6053307 * 01 43 05.7884364480 +60 53 30.668125272     13.352     ~ 2 0
16 EM* GGA 81 Em* 01 43 40.8006733968 +61 19 46.907941800   13.1 11.914     OBe: 8 0
17 2MASS J01441735+6116503 SB* 01 44 17.3623694088 +61 16 50.317709160     12.541   11.858 ~ 2 0
18 BD+60 321 V* 01 44 21.0606710208 +61 17 50.668064052   9.67 8.256     K2III 7 0
19 BD+60 325 Be* 01 45 18.0279360312 +61 06 56.475940176   10.47 10.083 9.90   B1Ve 36 0
20 EM* GGA 93 Be* 01 45 37.8224440248 +61 07 59.088674136   12.79 12.135 12.31   B2Ve 23 0
21 BD+60 327 s*r 01 45 38.7784508184 +61 02 22.806296592   10.7 8.277     M0Iab 12 0
22 EM* GGA 94 Be* 01 45 39.6178888368 +61 12 59.122135152   13.16 12.451 12.09   B2Ve 31 0
23 EM* GGA 95 Be* 01 45 46.3956587112 +61 09 20.905824744   12.52 11.937 11.77   B1Ve 24 0
24 EM* GGA 97 Be* 01 45 56.1027684240 +61 12 45.286198560   12.05 12.008 11.58   B2Ve 34 0
25 BD+60 331 Em* 01 45 56.1158219616 +61 14 05.311144392 9.88 9.682 8.928     B8Iab 43 0
26 TYC 4032-2795-1 EB* 01 46 03.0213450600 +61 26 31.034270652   11.79 11.170     ~ 1 0
27 V* V589 Cas s*r 01 46 05.4816267312 +60 59 36.676553136   11.2 8.886     M3Iab-Ib 35 0
28 EM* VES 616 Be* 01 46 06.1342275984 +61 13 39.204657012   12.06 11.509 11.35   B0-1Ve 28 0
29 EM* GGA 98 Be* 01 46 20.2301457288 +61 14 21.578249688   12.71 11.985 11.44   B2Ve 30 0
30 NGC 663 OpC 01 46 21 +61 12.7   7.78 7.1     ~ 255 0
31 BD+60 339 s*b 01 46 23.7821599224 +61 15 29.719881792 8.98 9.09 8.472     B6Iabe 61 0
32 BD+60 341 Be* 01 46 26.8455772104 +61 07 41.714872860   11.30 10.665 10.20   B0-1Ve 42 0
33 NGC 663 21 Be* 01 46 27.6719617128 +61 12 25.441854228   11.24 10.538 10.34   Be 30 0
34 NGC 663 6 Be* 01 46 30.6369797712 +61 14 29.228497476   12.89 12.085 11.66   B1Ve 33 0
35 BD+60 344 Em* 01 46 33.9681229128 +61 09 02.350768176 10.47 10.74 10.043     B2V 32 0
36 BD+60 343B Be* 01 46 35.5368670200 +61 15 47.826499356   10.90 10.286 9.85   B2Ve 28 0
37 EM* GGA 101 Be* 01 46 35.6086307160 +61 13 39.084655008   12.34 12.311     B1Ve 32 0
38 V* V1156 Cas bC* 01 46 39.7772620896 +61 09 51.863614092   12.94 12.378     ~ 14 0
39 EM* GGA 103 Be* 01 46 57.5702157048 +61 01 40.450808676   12.08 11.525     B(e) 20 0
40 EM* GGA 104 HXB 01 47 00.2124077208 +61 21 23.663788056 11.76 12.09 11.366 11.00 10.52 B1IIIe 189 0
41 NGC 663 124 Be* 01 47 03.7497404040 +61 17 32.049000312     12.281 12.07   B2Ve 24 0
42 V* BY Cas cC* 01 47 11.9194002672 +61 25 20.954139708   11.5 10.369     F5 127 0
43 TYC 4032-2513-1 EB* 01 47 38.9247253944 +61 01 03.664883496   11.80 11.481     B5 5 0
44 EM* GGA 109 Be* 01 47 39.3759246120 +61 18 20.557961964   13.12 12.383     B1Ve 23 0
45 EM* GGA 110 Be* 01 48 23.0657043432 +61 15 53.051065812 11.12 11.3 10.867     B2Ve 21 0
46 BD+60 358 Em* 01 49 38.6466197784 +61 03 01.612190196   9.59 9.231     B5 12 0
47 IRAS 02131+5651 LP? 02 16 38.3326087272 +57 05 12.578535636     12.081     M2 3 0
48 HD 13841 * 02 16 46.3906698552 +57 01 45.670054584 6.95 7.60 7.37 7.11 6.95 B1.5Ib 126 0
49 HD 13854 s*b 02 16 51.7162480872 +57 03 18.882144756 6.10 6.76 6.48 6.14 5.95 B1Iab 213 0
50 IRAS 02133+5644 LP? 02 16 56.4330619920 +56 58 17.506723440     13.129     ~ 2 0
51 BD+56 473 Be* 02 16 57.7103678448 +57 07 48.730568772 8.68 9.31 8.0712   7.6517 B1III/Ve 85 1
52 BD+56 484 Be* 02 17 44.6582386752 +56 54 00.011357028 9.24 9.88 9.6420   8.1537 B1.0III 67 0
53 BD+56 489 Be* 02 18 15.0972427152 +57 10 16.037782500   10.22 10.219     B3e 20 0
54 NGC 869 542 EB* 02 18 17.3980477824 +56 55 22.343359584   12.020 11.585     ~ 7 0
55 BD+56 493 Be* 02 18 18.3546298920 +56 51 02.232343764 9.15 9.95 8.7847   8.4218 B1IV/Ve 59 0
56 V* V757 Per bC* 02 18 23.0493577512 +57 00 36.728373708 8.05 8.67 7.8288 8.17 7.4510 B0.7I 81 0
57 BD+56 508 bC* 02 18 48.0174482688 +57 17 07.889853336   9.72 8.3787   7.8966 B2.0V 26 0
58 V* BU Per s*r 02 18 53.2915355976 +57 25 16.763048652 15.53 12.87 10.40     M4Ib 93 0
59 BD+56 516 * 02 18 54.3160471248 +57 09 29.545317972 10.19 10.65 10.3240   9.3014 B1.5III 31 0
60 NGC 869 963 V* 02 18 57.6823349688 +57 08 17.992912128 10.84 11.320 11.0730     B2V 27 1
61 NGC 869 OpC 02 18 57.8 +57 08 02           ~ 476 0
62 * 61 And s*b 02 19 04.4525174952 +57 08 07.795069656 6.63 7.00 6.5678   6.6876 B3Ia 206 0
63 BD+56 529 Be* 02 19 13.6735270416 +57 07 43.570965000 10.24 10.59 10.2290   8.6693 B1Ve 41 0
64 HD 14143 s*b 02 19 13.9420338600 +57 10 09.234950232 6.71 7.16 6.7000     B2Ia 201 0
65 BD+56 534 Be* 02 19 26.5189897464 +57 04 42.137892840 9.55 10.02 9.5590 9.53   B3Ve 39 1
66 NGC 869 1278 Be* 02 19 28.8928804896 +57 11 24.266861736     11.6848   11.1321 B0-1Ve 17 0
67 NGC 869 1438 Be* 02 19 47.8430186616 +57 06 39.543216912   11.313 11.362     B2e 17 0
68 NGC 869 1516 EB* 02 20 02.9700015336 +57 11 18.680081064   11.21 10.9820   10.4386 B1.0V 17 0
69 HD 14250 Pu* 02 20 15.7232673384 +57 05 54.983862708 8.74 9.28 8.0358 8.66 7.5804 B1.5III 102 0
70 V* AD Per s*r 02 20 29.0035384536 +56 59 35.239755912 12.70 10.16 7.8490   7.1111 M3Iab 127 1
71 NAME NGC 869/884 OpC 02 20.5 +57 08           ~ 67 0
72 BD+56 548 Be* 02 20 39.0482294904 +57 18 42.699355092 9.2 9.8 9.811   11.4514 B1.5IIIe 49 0
73 NGC 884 1772 Be? 02 20 52.7850825960 +57 13 27.799076496   11.782 11.1483   10.5630 B2 14 0
74 HD 14321 EB* 02 20 52.8798668952 +56 55 32.717424432 8.98 9.52 8.6406   8.0964 B2.0III 49 0
75 V* FZ Per s*r 02 20 59.6455018656 +57 09 29.964294288 12.75 10.20 7.9620   6.7185 M1Iab 114 0
76 BD+56 559 Be* 02 21 18.0751032000 +57 18 22.097122308   10.33 9.882     B1IIIe 41 0
77 NGC 884 2085 Em* 02 21 42.9369067272 +57 05 30.612889284     11.2473   10.7916 B3 21 0
78 BD+56 563 Be* 02 21 43.3997996592 +57 07 32.801871180 9.12 9.77 8.4704   7.9688 B1IIIe 66 0
79 HD 14422 Be* 02 21 50.8110975000 +57 23 11.644264104 8.86 9.50 9.2700     B1Ie 93 0
80 BD+56 566 Be* 02 21 52.9412765784 +57 09 58.947342372 10.613 10.26 10.1620     B1Ve 65 0
81 HD 14433 sg* 02 21 55.4354619696 +57 14 34.499997492 7.01 6.97 6.4800 5.79 6.7332 A1Ia 151 0
82 LS V +57 16 Em* 02 21 57.3650485680 +57 20 21.777407988   11.287 10.783     OB- 16 0
83 HD 14443 V* 02 22 00.5764087032 +57 08 41.872012908 7.85 8.39 7.6934 7.70 7.2734 BC2Ib 106 0
84 EM* MWC 39 Em* 02 22 04.5660560856 +57 10 38.883120780 11.164 10.82 10.5910     B2Vn 51 0
85 V* V621 Per EB* 02 22 09.7108878600 +57 07 02.305907292 9.14 9.68 9.4000   7.9369 B1.5I 75 0
86 NGC 884 2351 EB* 02 22 15.6171003192 +57 13 29.093333988   12.181 11.8100   11.2816 B3.7V 11 0
87 BD+56 578 Be* 02 22 17.6901994152 +57 07 24.636903204 9.02 9.57 9.1910   7.6671 B2IIIe 59 0
88 NGC 884 OpC 02 22 20.2 +57 08 56           ~ 486 0
89 BD+56 582 Be* 02 22 22.7404510536 +57 17 05.023272444 9.86 10.06 9.6420   7.9956 B1III 38 0
90 V* RS Per s*r 02 22 24.2955658080 +57 06 34.102933812 12.37 10.09 8.7680     M3.5IabFe-1 143 0
91 BD+56 586 bC* 02 22 36.2966755968 +57 04 54.393974868 9.60 10.19 9.9630     B1V 43 0
92 EM* MWC 447 Be* 02 22 46.9733702856 +56 58 05.892098700 10.51 10.93 10.593     B0e 32 0
93 EM* MWC 711 Be* 02 22 48.1059256776 +57 12 00.858864060   10.89 10.443     B0/1Ve 31 0
94 HD 14535 sg* 02 22 53.4977439936 +57 14 42.546478992 8.28 8.16 7.4550 6.72 7.0307 A2Ia 96 0
95 HD 14542 s*b 02 23 00.4259329872 +57 23 13.220532924 7.46 7.60 6.9770   6.5893 B9Ia 116 0
96 NGC 884 2646 EB* 02 23 04.0749793200 +57 10 08.830481520   12.528 12.0833   11.561 B2.3V 11 0
97 EM* GGA 163 Be* 02 23 04.1856391584 +57 07 38.769256164   10.716 10.3474   9.7985 Be 24 0
98 V* V439 Per s*r 02 23 11.0656487832 +57 11 57.984565452 12.81 10.41 8.1650   6.8612 M0.5Iab 80 0
99 BD+56 596 V* 02 23 11.6209969584 +57 10 19.733486844   9.78 9.553     ~ 11 0
100 V* V403 Per s*r 02 23 24.1101297168 +57 12 43.045313724 13.32 10.81 8.4020 6.67 5.21 M0Iab 69 0
101 EM* MWC 448 Be* 02 23 24.9245928120 +57 19 03.397474524 11.11   10.763     B2IIIe 35 2
102 NGC 884 2804 Be* 02 23 33.0579114912 +57 04 32.602642392   10.85 10.5301   10.0911 OBe 20 0
103 HD 14956 s*b 02 26 45.6955268424 +57 40 45.044622588 7.63 7.92 7.20 6.56 6.05 B1.5Ia 148 0
104 IC 1805 10 V* 02 29 13.9903082760 +61 25 53.667351120   13.98 11.428     M3.5II 7 0
105 V* KM Cas Or* 02 29 30.4684170480 +61 29 44.163943476 12.21 12.285 11.229 10.990   O9.5V((f)) 46 0
106 2MASS J02300722+6131077 Y*O 02 30 07.2199372176 +61 31 07.694522580 14.42 13.90 12.864   11.957 A3V 7 0
107 TYC 3695-212-1 bC* 02 30 34.2927251880 +57 36 33.719628384   11.32 10.819     ~ 1 0
108 BD+56 640 Pu* 02 31 08.4092639352 +57 31 37.449148368   10.01 9.607     B2III: 11 0
109 LS I +61 275 EB* 02 32 09.6299057496 +61 38 23.556279372 11.59 12.04 11.445 11.64   B1V 31 0
110 HD 15571 Em* 02 32 24.7780528800 +57 25 44.417192196 10.168 8.83 8.425     B1II 36 0
111 IC 1805 OpC 02 32 50.4 +61 28 16           ~ 519 1
112 HD 15620 s*b 02 32 52.8764564136 +57 55 45.656557428 11.283 9.14 8.395     B8Iab 49 0
113 TYC 3695-992-1 Em* 02 33 08.1939161976 +57 28 10.834624884 11.41 12.94 12.40     B2V 11 0
114 EM* AS 63 Be* 02 33 10.5550227552 +57 32 54.104521128 12.25 11.79 11.218     B0-1Ve 21 0
115 NGC 957 OpC 02 33 22.3 +57 33 11   8.34 7.6     ~ 102 0
116 2MASS J02334807+6142036 LP* 02 33 48.0711304560 +61 42 03.689705628     13.601     ~ 3 0
117 LS I +61 297 Y*O 02 34 15.0110270712 +61 24 40.270765752 11.33 11.45 10.937 11.08   B1V 18 0
118 EM* GGA 206 Em* 02 50 38.6415573552 +57 20 10.268133576   12.49 10.938 11.37   OB 21 0
119 2MASS J02504641+5734517 EB* 02 50 46.4072975784 +57 34 51.786260076     12.438     ~ 2 0
120 IRAS 02472+5710 LP* 02 50 54.9401004408 +57 22 35.110132356     15.150     ~ 4 0
121 V* V648 Cas s*r 02 51 03.9477562824 +57 51 19.923324444 14.78 12.11 9.38 6.83 4.76 M2Ia 63 0
122 2MASS J02511159+5725096 EB* 02 51 11.5895807880 +57 25 09.662455380     12.359     ~ 1 0
123 NIKC 2-41 C* 02 51 13.8957290520 +57 16 48.935028684     14.449     C 8 0
124 V* V500 Cas S* 02 51 32.9645636688 +57 50 34.307881296     13.796     S 20 0
125 2MASS J02522011+5717211 EB* 02 52 20.1124246824 +57 17 21.165615996     13.062     ~ 1 0
126 BD+56 733 Em* 02 52 40.7236865520 +57 27 51.517220220 11.12 10.95 9.711     OB+e: 9 0
127 V* V1361 Cas EB* 02 53 00.4773929952 +57 32 33.764413380   14.23 13.025 13.00   ~ 3 0
128 TYC 3709-420-1 * 02 53 28.4954529450 +57 48 40.999598731   11.40 10.98     ~ 1 0
129 ATO J043.7665+57.8452 LP? 02 55 03.9970435800 +57 50 42.422100504     14.793 14.261   ~ 3 0
130 DO 26429 s*r 02 56 53.2192360872 +57 33 24.912461196   12.16 9.719     M2Iab 13 0
131 IRAS 06059+2316 LP? 06 09 02.3596615200 +23 15 45.829136880     11.629     M5III 3 0
132 * 3 Gem s*b 06 09 43.9852949424 +23 06 48.472220448 5.33 5.96 5.75     B3Ia 226 0
133 Ass Gem OB 1 As* 06 09.8 +21 35           ~ 191 0
134 HD 252505 LP? 06 09 54.7993518384 +22 57 37.051738668   11.8 10.069     M3 10 0
135 HD 252944 ** 06 11 27.715008 +23 13 53.26032   11.13 10.83 10.95   B9 5 0
136 HD 253017 V* 06 11 45.5430191736 +23 01 48.566689464   10.9 9.230     K7 7 0
137 V* WY Gem s*r 06 11 56.2504087680 +23 12 25.413007284 10.24 9.20 7.38 5.57 4.04 M2Iabep+B: 138 0
138 * 6 Gem s*r 06 12 19.0988355816 +22 54 30.653107164 11.11 8.63 6.39 4.55 3.07 M1-M2Ia-Iab 180 0
139 HD 253178 V* 06 12 28.9494966120 +22 50 52.940509296   11.68 10.305     M2III 4 0
140 NAME Gemini OB1 Molecular Cloud MoC 06 19.0 +23 00           ~ 45 0
141 Mrk 50 Sy1 12 23 24.1362367968 +02 40 44.449405212   17.25 16.63     ~ 230 0
142 HD 228689 V* 20 16 23.1555706560 +38 48 16.486788672   11.40 9.792     M3III 5 0
143 V* V435 Cyg EB* 20 16 26.9847958416 +38 45 40.857677460     12.749     B7III 17 0
144 IC 4996 OpC 20 16 32.4 +37 38 56           ~ 177 0
145 HD 193032 bC* 20 16 40.4021092488 +38 53 57.454929600 8.09 8.62 8.308     B0III 43 0
146 IRAS 20150+3808 LP? 20 16 51.8750733144 +38 18 20.629544328     12.807     ~ 2 0
147 S1* 642 S* 20 16 58.0627575168 +38 07 25.783215672     13.183     S 5 0
148 2MASS J20170807+3758584 EB* 20 17 08.0735836032 +37 58 58.385038080     13.028     ~ 1 0
149 HD 193183 * 20 17 22.7627493456 +38 14 08.422560204   7.386 7.021     B1.5Ib 72 0
150 EM* AS 396 Em* 20 17 30.1963044984 +38 05 56.388076764   11.39 10.970     B5III 15 0
151 ASASSN-V J201739.04+380414.3 cC* 20 17 39.0409773288 +38 04 14.274546276   15.520 13.528 12.896   ~ 4 0
152 * P Cyg s*b 20 17 47.2019733389 +38 01 58.549132671 4.66 5.24 4.82 4.28 4.02 B1-2Ia-0ep 1176 1
153 [NH52] 30 EB* 20 18 09.4567894944 +38 18 27.934102440   10.73 10.313     OB 11 0
154 Cl Berkeley 85 OpC 20 18 46.1 +37 44 38           ~ 28 0
155 HD 193469 s*r 20 18 57.5371902072 +39 00 15.064790328 10.07 8.25 6.36     K4.5Ib 59 0
156 LS II +38 39 bC* 20 18 59.3937466008 +38 57 14.310045396 10.33 10.66 10.057     B 8 0
157 2MASS J20190590+3853009 EB* 20 19 05.9113929528 +38 53 00.826625220     12.808     ~ 1 0
158 HD 193516 Be* 20 19 07.5057706488 +37 46 09.811370712   9.05 8.583     B2:III: 52 0
159 HD 193576 WR* 20 19 32.4229160448 +38 43 53.959035756 8.15 8.53 8.00     WN5+O6II-V 706 0
160 LS II +38 43 EB* 20 19 36.8344005936 +38 35 20.691184380 11.07 11.23 10.676     B1V 13 0
161 Cl Dolidze 42 OpC 20 19 37 +38 08.5           ~ 18 0
162 V* V478 Cyg SB* 20 19 38.7476920032 +38 20 09.195280836   9.16 8.767     B0Vp 190 0
163 2MASS J20194609+3851325 bC* 20 19 46.0977669192 +38 51 32.410756404     12.855   12.056 ~ 2 0
164 2MASS J20195689+3750073 EB* 20 19 56.8962868056 +37 50 07.314718992     12.099     ~ 3 0
165 Cl Berkeley 86 OpC 20 20 20 +38 41.3           ~ 123 0
166 HD 228989 SB* 20 20 21.3976505040 +38 41 59.688769308 10.29 10.49 9.686     O9.5V+O9.5V 34 0
167 TYC 3152-1813-1 cC* 20 20 47.0912328696 +38 17 06.700494156   11.4 9.987     ~ 1 0
168 V* V1319 Cyg LP* 20 20 51.0649538904 +39 00 45.516853224   12.76 11.35 10.763   ~ 6 0
169 IRAS 20191+3658 SB* 20 20 56.2766666352 +37 07 32.238723108   13.38 11.24     ~ 1 0
170 HD 229059 s*b 20 21 15.3643937664 +37 24 31.106402136 10.66 10.23 8.70     B2Iabe 98 0
171 V* BI Cyg s*r 20 21 21.8869298736 +36 55 55.728708060   11.48 8.40     M4Iab 105 0
172 EM* VES 203 Be* 20 21 24.8520232104 +37 22 48.209423376 13.76 13.42 12.141     B0.5V 23 1
173 EM* AS 407 Be* 20 21 28.3634733024 +37 26 19.987314072   16.05 14.228 13.79   B2e 15 0
174 HD 193928 WR* 20 21 31.7290073688 +36 55 12.773070696 10.67 10.60 9.78     WN5-w+O5V-III 199 0
175 Cl Berkeley 87 OpC 20 21 35.0 +37 25 59           ~ 132 0
176 V* BC Cyg s*r 20 21 38.5478957040 +37 31 58.925226936   14.61 11.30     M3.5Ia 166 0
177 EM* AS 409 Em* 20 21 54.4645773048 +37 00 00.125714304   13.43 12.226 12.02   ~ 4 0
178 2MASS J20215480+3654426 EB* 20 21 54.8007374904 +36 54 42.657133320     13.324   12.104 ~ 2 0
179 HD 229105 V* 20 21 56.2039207464 +37 21 28.627442532   11.19 9.955     K2II 7 0
180 EM* AS 411 Em* 20 22 19.0413408216 +38 01 48.370265652   10.5 11.871     B 8 0
181 2MASS J20221996+3812386 EB* 20 22 19.9578307704 +38 12 38.659971348     13.998     ~ 1 0
182 2MASS J20222399+3658020 EB* 20 22 23.9914473624 +36 58 02.093163024     12.940     ~ 1 0
183 HD 194153 s*b 20 22 35.5700232408 +38 07 45.711953724   9.45 8.542     B1Iab 39 0
184 LS II +38 67 * 20 22 41.8422964560 +38 10 37.488947592   11.31 10.642     B 8 0
185 HD 229152 V* 20 22 43.0408513584 +38 28 16.713539796   10.92 9.773     ~ 6 0
186 [NH52] 72 bC* 20 22 53.2548173136 +37 06 46.104757452   11.95 11.093     OB 7 0
187 TYC 3152-944-1 EB* 20 22 57.2486708256 +38 18 24.587566092   12.67 12.554     ~ 3 0
188 2MASS J20225899+3705131 V* 20 22 58.9967898696 +37 05 13.133844132     13.156     ~ 1 0
189 HD 229171 bC* 20 23 02.8776001824 +38 27 20.847173112 9.54 9.81 9.380     B0.5III:n 40 0
190 NSVS 5731720 V* 20 23 21.6930155544 +38 00 06.699820248   13.021 11.988 11.641   ~ 3 1
191 TYC 2684-312-1 * 20 23 24.7476066288 +37 13 54.273671472   12.31 11.973     ~ 2 0
192 V* V2538 Cyg s*b 20 23 33.5358042120 +37 25 45.151515840   13.549 11.869 11.314 10.042 B1Ib 6 0
193 NGC 6913 36 cC* 20 23 41.1778483896 +38 27 00.054222840   16.546 14.135 13.041   A0: 9 0
194 2MASS J20234453+3713410 * 20 23 44.5349225448 +37 13 40.978852536     13.048     ~ 1 0
195 HD 229221 Be* 20 23 45.9618575808 +38 30 03.153877668 9.95 10.05 9.281     B0.2IIIe 69 0
196 M 29 OpC 20 23 46 +38 29.2   7.30 6.6     ~ 245 0
197 V* V2031 Cyg SB* 20 23 51.0097880664 +38 29 34.282264164   8.97 8.645     F0III 52 0
198 HD 229238 s*b 20 24 04.6591638600 +38 32 17.278533708 9.72 9.70 8.942     B0.5Ia 63 0
199 ATO J306.0556+37.0788 EB* 20 24 13.3643328216 +37 04 43.635486972     13.830     ~ 3 0
200 NGC 6913 57 V* 20 24 17.2450457520 +38 31 13.723919004   12.92 11.859     G6III 18 0
201 HD 229253 * 20 24 25.2258038448 +38 29 06.867238128 9.98 10.32 10.155     A2 29 0
202 UCAC3 255-208501 bC* 20 24 26.7736508352 +37 19 33.524436000   14.269 13.515 13.384 12.754 ~ 2 0
203 HD 229271 Pu* 20 24 46.1907325200 +37 59 34.249604820   10.83 10.623     ~ 5 0
204 2MASS J20244750+3810584 EB* 20 24 47.5038560736 +38 10 58.426474584     13.826     ~ 1 0
205 TYC 2697-169-1 * 20 25 02.945 +37 26 36.30   12.79 12.31 11.09   OB: 3 0
206 NSVS 5733998 EB* 20 25 15.7675747560 +37 33 17.876376288     13.139   11.968 ~ 5 0
207 NAME ECX6-12 IR Cluster OpC 20 25 23.782 +37 23 27.26           ~ 5 0
208 TYC 2697-130-1 SB* 20 25 30.6325742448 +37 25 47.927073936   11.12 10.736     ~ 5 0
209 IRAS 20236+3725 LP? 20 25 30.8513940432 +37 35 34.750344948     14.011     ~ 2 0
210 TYC 2697-883-1 EB* 20 25 38.3256458208 +37 03 10.558246932   12.82 12.188     ~ 3 0
211 BD+36 4063 SB* 20 25 40.6036899936 +37 22 27.052816368 10.93 10.67 9.656     ON9.7Ib 44 0
212 IRAS 20238+3746 V* 20 25 44.0148757128 +37 56 50.371903032     13.168     ~ 1 0
213 2MASS J20254911+3732182 LP? 20 25 49.1126863368 +37 32 18.304771056     12.912     ~ 2 0
214 IRAS 20239+3651 LP* 20 25 50.2523425368 +37 01 46.222364136     14.984     ~ 7 0
215 2MASS J20255147+3802425 EB* 20 25 51.4759062824 +38 02 42.627154312     13.775     ~ 1 0
216 V* KY Cyg s*r 20 25 58.0435428576 +38 21 07.671813480   13.62 13.50     M3Ia 99 0
217 V* V1827 Cyg s*b 20 30 27.3018237840 +41 13 25.130220744     13.053     O6Iaf+O9Ia 36 0
218 [CPR2002] A23 s*b 20 30 39.6999117024 +41 08 48.792195024   12.41 11.296     B0.7Ib 17 0
219 2MASS J20304696+4106392 EB* 20 30 46.9521461016 +41 06 39.041607240     13.781     ~ 1 0
220 GSC 03161-01104 * 20 30 53.5327228656 +41 27 01.363658544   13.59 12.813     ~ 4 0
221 ATO J307.7338+41.4815 EB* 20 30 56.1355288968 +41 28 53.666262228   14.87 13.691   12.905 ~ 5 0
222 Schulte 1 SB* 20 31 10.544472 +41 31 53.52024 12.82 12.69 11.09 10.57   O8V+B 65 0
223 BD+40 4212 SB* 20 31 37.5053189952 +41 13 21.001757520 12.46 11.5 10.214     O6IV:+O9III 79 1
224 TYC 3157-779-1 SB* 20 31 56.9924514888 +41 12 34.245850644   12.99 12.529     ~ 3 0
225 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 290 0
226 BD+40 4220 s*b 20 32 22.4238071594 +41 18 18.942475904 11.32 10.61 9.185     O7Iafep 399 0
227 [FSR2007] 0236 OpC 20 32 37 +41 26.4           ~ 12 0
228 Schulte 12 s*b 20 32 40.9572199728 +41 14 29.279036940 16.1 14.45 11.702     B3-4Ia+ 424 0
229 RLP 994 SB* 20 32 58.9203050976 +41 04 30.012303288 18.01 17.14 14.958   12.580 B0V+B2:V 25 0
230 RLP 678 EB* 20 33 10.5041613984 +41 22 22.405661292 14.97 14.54 12.958     B0V+(B3V+B6V) 40 0
231 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 943 0
232 Schulte 18 * 20 33 30.7901427336 +41 15 22.693080852 13.38 12.54 10.860     B1I 49 0
233 Schulte 19 s*b 20 33 39.1040288712 +41 19 25.992295824 12.91 12.77 10.944 10.38   B0Iab+B-O 70 0
234 TYC 3157-495-1 * 20 33 42.0612250176 +41 07 53.945994684   12.12 11.405     ~ 7 0
235 GSC 03161-01127 * 20 33 45.0367692840 +41 22 32.328975072   13.25 12.541     ~ 5 0
236 Schulte 27 SB* 20 33 59.5281120792 +41 17 35.477936340 14.44 13.97 12.203   10.250 O9.7V(n)+O9.7V(n) 50 0
237 RLP 814 SB* 20 34 06.0155486352 +41 08 09.132034596 16.37 15.64 13.415     B0-B1+B1-B2 30 0
238 Schulte 30 Em* 20 34 43.5995109360 +41 29 04.799547924 14.13 13.83 12.240     B1.5III 35 0
239 V* V2550 Cyg SB* 20 34 58.7802708120 +41 36 17.359091316   13.591 11.470 10.671   B0Ib+B0III 29 0
240 2MASS J23102945+6029168 EB* 23 10 29.4403591512 +60 29 16.815353640     14.741     ~ 1 0
241 EM* GGR 134 Be* 23 10 47.5107465648 +60 31 52.932410364   12.53 11.766     B0Ve 14 0
242 LS III +60 42 EB* 23 11 02.8681646448 +60 33 32.771565324   11.59 10.808     B0.5V 15 0
243 NGC 7510 OpC 23 11 04.1 +60 34 44   8.77 7.9     ~ 102 1
244 HD 218941 s*b 23 11 14.8158430992 +60 34 21.734825988 10.34 10.34 9.678     B1Ib 28 0
245 HD 240218 EB* 23 11 22.5629825016 +60 15 09.780512580   10.54 9.850     A2 4 0
246 V* QV Cep EB* 23 11 47.7700286928 +60 34 13.836879372     13.501   12.583 ~ 8 0
247 V* OQ Cep Mi* 23 12 56.9915023344 +60 34 37.917219108     12.825 9.73   M8 16 0
248 V* V356 Cep s*r 23 13 31.5018121536 +60 30 18.794999988   12.39 10.061 10.45   M2I 16 1
249 2MASS J23140953+6050335 LP* 23 14 09.5367390048 +60 50 33.566966268     15.233     ~ 2 0
250 ATO J348.6674+60.2181 EB* 23 14 40.1771538816 +60 13 05.425088232     14.666     ~ 2 0
251 BD+59 2678 V* 23 14 51.3027276720 +60 44 56.689589256   11.3 9.506     M2 5 0
252 [KPS2012] MWSC 3711 OpC 23 15 13 +60 48.6           ~ 9 0
253 2MASS J23152566+6048592 EB* 23 15 25.6598815632 +60 48 59.244543360     13.502   12.390 ~ 2 0
254 LS III +60 58 bC* 23 16 12.2829489768 +60 27 24.348583116 10.73 11.15 10.663     B0 9 0
255 LS III +60 59 bC* 23 16 33.1000703256 +60 28 47.990701164 11.9 12.18 11.629     B2 10 0
256 ATO J349.1383+60.5299 bC* 23 16 33.1893100536 +60 31 47.649779364     15.188   14.088 ~ 3 0
257 IRC +60395 Mi* 23 16 55.2512479800 +60 26 00.593849652     15.006     M8.5 16 0
258 WRAM 37 * 23 17 00.6448458504 +60 31 03.467622144 13.86 14.09 13.547     ~ 2 0
259 EM* MWC 1080 Ae* 23 17 25.5895018656 +60 50 43.444557384   13.24 11.85 11.251   B0eq 323 0
260 BD+59 2692 Pu* 23 17 27.3456058104 +60 14 59.540347752 9.71 10.19 9.849     B2 20 0
261 TYC 4279-2213-1 * 23 17 48.0139114560 +60 26 49.191350496   10.84 10.415     ~ 2 0
262 2MASS J23175230+6025022 bC* 23 17 52.3209975504 +60 25 02.337464568     12.725     ~ 1 0
263 HD 240254 s*r 23 18 19.2106861992 +60 16 22.063637388   11.037 9.068 8.82   M1Iab-Ib 6 0
264 LS III +61 27 Em* 23 21 11.4461455200 +61 31 33.214877724   12.55 11.419     B 8 0
265 BD+60 2524 V* 23 21 29.0517040680 +61 06 43.098047136   10.14 8.824     G8III 4 0
266 IRAS 23192+6105 LP* 23 21 29.5434986640 +61 21 44.130045024     14.854     ~ 3 0
267 V* V399 Cas EB* 23 22 25.25 +61 07 47.6     13.589   13.052 ~ 8 0
268 TYC 4279-1821-1 SB* 23 22 40.0234379712 +61 13 33.228682104   10.67 9.817     G0V 7 0
269 IRAS 23215+6049 V* 23 23 46.1070077160 +61 05 55.301961696   12.62 10.461     ~ 2 0
270 M 52 OpC 23 24 46.8 +61 35 24           ~ 191 0
271 V* V433 Cas Mi* 23 25 12.0384147960 +61 19 28.896689388   15.00 12.127 11.19   M6 17 1
272 Cl Czernik 43 OpC 23 25 52 +61 20.5           ~ 30 1
273 V* PW Cas cC* 23 25 58.4749328832 +61 16 00.616356552     13.061     F 34 0
274 IRAS 23252+6100 LP? 23 27 38.9642650008 +61 17 27.807305748   12.51 10.828     M4II-III 4 0
275 BD+60 2549 Pu* 23 28 10.0488826848 +61 09 06.232580892   9.56 9.433     B7V 7 0
276 IRAS 23260+6106 LP* 23 28 20.3901276480 +61 23 19.295635092     12.393     ~ 4 0
277 NIKC 4-134 C* 23 28 22.0134458808 +61 18 03.093818400     15.012     C 6 0
278 2MASS J23282926+6105510 EB* 23 28 29.2663755000 +61 05 51.114267420     14.467   13.509 ~ 2 0
279 IRAS 23269+6105 V* 23 29 10.2393630840 +61 22 16.021012980     12.673     ~ 2 0
280 EM* VES 965 Em* 23 41 45.7110505008 +62 04 34.045006224 13.35 13.46 12.549     ~ 8 0
281 EM* AS 513 WR* 23 43 30.5960809392 +61 55 48.139591872 12.02 11.98 11.282     WN7h+Be? 73 0
282 TYC 4281-1348-1 EB* 23 43 44.4051199704 +61 36 54.981407448   12.88 12.526     ~ 2 0
283 Cl Stock 17 OpC 23 43 48 +62 09.7           ~ 13 0
284 V* PZ Cas s*r 23 44 03.2814215136 +61 47 22.190200476 12.80 11.48 8.90 6.08 3.90 M3Ia 202 0
285 LS I +61 34 EB* 23 44 31.1979105096 +61 59 12.713447868 10.63 11.08 10.716     B5 11 0
286 TYC 4281-1792-1 SB* 23 44 32.8337513640 +61 45 00.394798500   10.74 10.428     ~ 1 0
287 2MASS J23443377+6207168 SB* 23 44 33.7726522536 +62 07 16.970213028     12.372     ~ 1 0
288 BD+60 2615 s*b 23 44 42.1096198272 +61 40 04.874663784 9.24 9.62 9.142     B0.5Ib(n) 28 0
289 2MASS J23444605+6144316 EB* 23 44 46.0594036464 +61 44 31.550908920     14.062     ~ 1 0
290 2MASS J23454071+6215304 EB* 23 45 40.7169336648 +62 15 30.440220264     14.816   13.944 ~ 2 0
291 HD 223044 Em* 23 46 00.4228726728 +61 59 27.638236932   8.59 8.466     A2 18 0
292 NSV 14698 EB* 23 46 08.5700428512 +62 03 01.247414040 11.41 11.84 11.433     B2 14 0
293 Kiso J234610.53+613733.2 EB* 23 46 10.5260980320 +61 37 33.248931780     12.731   11.844 ~ 4 0
294 TYC 4285-2548-1 EB* 23 46 17.9279505000 +62 01 33.408141780   10.46 10.077     ~ 3 0
295 2MASS J23465248+6141157 EB* 23 46 52.4932228920 +61 41 15.650344572     14.289     ~ 1 0
296 [WWV2004] J2346516+615534 LP* 23 46 53.0682431184 +61 55 28.998933852     12.189     ~ 3 0
297 BD+61 2529 s*b 23 48 30.0285154464 +61 59 19.519241532 8.74 9.07 8.680     B1Ib 25 0
298 2MASS J23483201+6216474 EB* 23 48 32.0091450456 +62 16 47.492416596     13.536     ~ 1 0
299 BD+61 2531 * 23 48 35.8920451344 +62 14 45.516733404 9.28 9.74 9.421     B0III 11 0
300 2MASS J23485763+6200549 LP* 23 48 57.6318774432 +62 00 54.788988492     14.385     ~ 2 0
301 BD+61 2536 EB* 23 49 18.9864478584 +61 57 46.007377092 9.38 9.985 9.602     B2 23 0
302 2MASS J23493339+6157236 * 23 49 33.3956059560 +61 57 23.767192512     13.245     ~ 3 0
303 HD 223501 Be* 23 49 53.1199960464 +62 12 50.732341056 7.14 7.74 7.800     B1:Vne 48 0

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