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Table 4

Other candidate O and B stars without spectral classification.

Object α δ B J H K S Notes
(2000) (USNO B) (2MASS)

J20181090+4029063 20 18 10.898 +40 29 06.29 14.940 9.343 8.709 8.399
J20193232+4042447 20 19 32.323 +40 42 44.72 12.890 9.288 8.894 8.692
HD 228973 20 20 07.350 +41 07 46.72 10.340 7.922 7.760 7.684 1
J20201435+4107155 20 20 14.349 +41 07 15.45 12.412 8.627 8.352 8.240
J20211924+3936230 20 21 19.240 +39 36 22.98 12.732 8.488 8.096 7.886
J20222481+4013426 20 22 24.814 +40 13 42.55 13.620 9.034 8.614 8.410
J20225451+4023314 20 22 54.508 +40 23 31.39 13.107 9.175 8.771 8.601
J20230183+4014029 20 23 01.830 +40 14 02.90 13.465 8.579 8.206 8.060
J20230290+4133466 20 23 02.900 +41 33 46.59 14.780 8.762 8.137 7.809
J20233816+3938118 20 23 38.161 +39 38 11.84 11.293 8.996 8.829 8.731
HDE 229258 20 24 25.516 +39 49 28.30 10.235 8.833 8.748 8.689 2
J20252497+3934030 20 25 24.969 +39 34 03.02 15.380 5.209 4.289 3.611
BD+39 4179 20 25 27.281 +40 24 00.15 11.066 7.210 6.857 6.667 3
J20253116+4005508 20 25 31.164 +40 05 50.82 10.221 6.701 7.153 6.373
J20253320+4048444 20 25 33.196 +40 48 44.38 13.112 8.340 7.904 7.648
J20261976+3951425 20 26 19.759 +39 51 42.46 15.600 9.351 8.695 8.348
J20262484+4001413 20 26 24.841 +40 01 41.25 13.290 9.021 8.571 8.330
J20272099+4121262 20 27 20.994 +41 21 26.15 13.830 9.448 9.003 8.730
J20273787+4115468 20 27 37.873 +41 15 46.79 14.570 9.146 8.581 8.263
J20274925+4017004 20 27 49.251 +40 17 00.42 13.460 8.713 8.315 8.104
J20275204+4131200 20 27 52.039 +41 31 19.98 10.668 8.769 8.890 8.850
J20275292+4144067 20 27 52.921 +41 44 06.65 13.330 8.144 7.583 7.277
J20281176+3840227 20 28 11.757 +38 40 22.73 11.805 8.349 8.077 7.944
J20285874+4013302 20 28 58.744 +40 13 30.22 15.860 8.494 7.667 7.202
J20290247+4231159 20 29 02.469 +42 31 15.91 13.330 9.090 8.641 8.426
BD+40 4193 20 29 13.555 +40 41 03.38 10.412 8.945 8.856 8.812
J20291617+4057372 20 29 16.173 +40 57 37.19 15.030 8.855 8.241 7.899
J20293563+4024315 20 29 35.631 +40 24 31.45 12.468 8.831 8.450 8.268
J20300022+4337553 20 30 00.215 +43 37 55.29 13.326 9.061 8.525 8.323
J20301097+4120088 20 30 10.970 +41 20 08.82 15.690 9.855 9.202 8.882
BD+40 4208 20 30 49.972 +40 44 18.53 10.654 8.869 8.739 8.664
J20314341+4100021 20 31 43.408 +41 00 02.07 15.940 9.885 9.285 8.957
J20315433+4010067 20 31 54.331 +40 10 06.71 15.990 9.742 9.176 8.884
J20315898+4107314 20 31 58.983 +41 07 31.41 15.490 9.773 9.164 8.832
J20315984+4120354 20 31 59.841 +41 20 35.41 10.668 9.119 9.028 8.926
J20320734+3828586 20 32 07.340 +38 28 58.62 10.440 8.880 8.799 8.726
CCDM J20323+4152AB 20 32 20.811 +41 52 00.78 9.973 8.694 8.739 8.728
J20323882+4058469 20 32 38.823 +40 58 46.85 15.430 9.701 9.141 8.821
J20323968+4050418 20 32 39.682 +40 50 41.83 14.410 9.631 9.156 8.913
J20330453+3822269 20 33 04.533 +38 22 26.91 11.383 9.021 8.870 8.790
J20330526+4143367 20 33 05.262 +41 43 36.74 13.940 9.286 8.854 8.624
BD+41 3801 20 33 30.398 +42 04 17.35 10.507 9.124 9.041 8.967
LS II +37 97 20 33 35.524 +38 01 36.73 11.838 6.691 6.213 5.900
J20340430+4136507 20 34 04.297 +41 36 50.67 15.300 9.931 9.234 8.972
BD+42 3785a 20 34 15.390 +43 09 35.28 10.131 9.009 8.955 8.932
J20345785+4143543 20 34 57.846 +41 43 54.25 15.430 8.447 7.777 7.417 4
J20361806+4228483 20 36 18.062 +42 28 48.30 15.650 9.814 9.170 8.855
J20364336+3906145 20 36 43.361 +39 06 14.53 11.530 8.558 8.631 8.565
J20371773+4156316 20 37 17.734 +41 56 31.57 15.760 9.071 8.367 8.041
J20381289+4057169 20 38 12.888 +40 57 16.86 12.870 9.183 8.867 8.675
J20382173+4157069 20 38 21.728 +41 57 06.89 15.810 8.760 8.036 7.682
J20382889+4009566 20 38 28.889 +40 09 56.63 9.996 8.896 8.841 8.816
J20395358+4222506 20 39 53.582 +42 22 50.62 15.890 7.345 6.376 5.822
CCDM J20420+4015 20 42 01.182 +40 14 42.70 9.568 8.688 8.664 8.638
J20423509+4256364 20 42 35.089 +42 56 36.43 14.480 9.211 8.624 8.304
CCDM J20429+4311AB 20 42 54.244 +43 10 38.71 8.431 8.515 8.593 8.647 5
J20432737+4308525 20 43 27.370 +43 08 52.47 13.874 8.879 8.293 8.096
J20440752+4107342 20 44 07.516 +41 07 34.18 15.470 9.562 8.998 8.703
J20472235+4220523 20 47 22.346 +42 20 52.30 14.950 8.936 8.308 8.085
J20500396+4300118 20 50 03.964 +43 00 11.76 15.140 8.649 7.944 7.514
J20504551+421012.6 20 50 45.514 +42 10 12.64 15.050 7.674 6.814 6.440

Notes. 1 Classified as B5 in the HDE catalog; 2 Classification as B2 in the HDE catalog; 3 Candidate early-type star in Comerón et al. (2008); 4 Classified as early-type star in Comerón et al. (1998) (star B18); 5 Binary.

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