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Table A.1

Temperatures, luminosities, and individual visual extinctions derived for the new classified massive OB stars.

Object SpT Teff (K) log (LL) AV (mag)
Cygnus OB2

J20345785+4143543 O7:Ib 34990 5.25 8.2
J20293563+4024315 O8IIIz 33961 4.75 5.1
J20275292+4144067 O9.5II 30626 5.09 7.1
J20291617+4057372 O9.7III 28518 4.78 7.7
J20273787+4115468 B0II 25932 4.62 6.8
J20301097+4120088 B0:II: 25932 4.39 7.4
J20323968+4050418 B0II 25932 4.32 5.7
J20323882+4058469 B0Ib 27800 4.33 6.7
J20272099+4121262 B0.5V 26308 4.33 5.8
J20330526+4143367 B0.5III 24164 4.27 5.2
BD+404208 B1V 23590 4.14 2.2
J20314341+4100021 B1V 23590 4.21 7.0
J20315898+4107314 B1V 23590 4.26 7.1
BD+404193 B1V 23590 4.06 1.7
J20274925+4017004 B1III 21557 4.27 4.9
J20315433+4010067 B1III 21557 4.02 6.5
CCDMJ20323+4152AB B9V 10700 2.96 –0.2

Surroundings

J20423509+4256364 O6IIIz 38192 4.97 7.4
J20371773+4156316 O7V 36872 5.06 8.2
J20222481+4013426 O8II 33570 4.69 5.5
J20261976+3951425 O8.5IV 33391 4.81 8.0
J20262484+4001413 O9.2III 31317 4.65 5.9
J20382173+4157069 O9.7II 30859 4.99 8.5
J20181090+4029063 O9.7Ib 28644 4.58 7.6
J20395358+4222506 B0I 25094 5.57 11.0
J20281176+3840227 B0Ib 25094 4.43 3.6
J20290247+4231159 B1Ib 19979 4.03 5.0
J20225451+4023314 B0Iab 25094 4.21 4.7
J20253320+4048444 B0Iab 25094 4.62 5.5
HDE229258 B0.7V 24949 4.13 1.8
J20361806+4228483 B0.7III 22860 4.14 7.2
J20233816+3938118 B0.7Ib 21514 3.87 2.3
HD 228973 B1V 23590 4.45 2.4
J20201435+4107155 B1V 23590 4.27 3.4
J20230290+4133466 B1V 23590 4.68 7.2
J20330453+3822269 B1V 23590 4.09 2.4
J20230183+4014029 B1III 21557 4.26 4.3
J20382889+4009566 B1III 21557 3.84 1.4
J20440752+4107342 B1III 21557 4.09 6.5
LSII+3797 B1Ia 19979 5.07 5.8
J20211924+3936230 B1Ib 19979 4.23 4.6
BD+394179 B1Ib 19979 4.70 4.2
J20381289+4057169 B2V 20549 3.98 4.2
BD+423785a B9V 10700 2.90 0.6

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