2019MNRAS.490..440L

Query : 2019MNRAS.490..440L

2019MNRAS.490..440L - Mon. Not. R. Astron. Soc., 490, 440-454 (2019/November-3)

A Gaia view of the two OB associations Cygnus OB2 and Carina OB1: the signature of their formation process.

LIM B., NAZE Y., GOSSET E. and RAUW G.

Abstract (from CDS):

OB associations are the prime star-forming sites in galaxies. However, the detailed formation process of such stellar systems still remains a mystery. In this context, identifying the presence of substructures may help in tracing the footprints of their formation process. Here, we present a kinematic study of the two massive OB associations Cygnus OB2 and Carina OB1 using the precise astrometry from the Gaia Data Release 2 and radial velocities. From the parallaxes of stars, these OB associations are confirmed to be genuine stellar systems. Both Cygnus OB2 and Carina OB1 are composed of a few dense clusters and a halo which have different kinematic properties: the clusters occupy regions of 5-8 parsecs in diameter and display small dispersions in proper motion, while the haloes spread over tens of parsecs with two to three times larger dispersions in proper motion. This is reminiscent of the so-called line width-size relation of molecular clouds related to turbulence. Considering that the kinematics and structural features were inherited from those of their natal clouds would then imply that the formation of OB associations may result from structure formation driven by supersonic turbulence, rather than from the dynamical evolution of individual embedded clusters.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: formation - stars: kinematics and dynamics - open clusters and associations: individual: (Cygnus OB2 and Carina OB1)

VizieR on-line data: <Available at CDS (J/MNRAS/490/440): table1.dat table2.dat>

Simbad objects: 492

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Number of rows : 492
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 IRAS 00259+5625 Y*? 00 28 41.64408 +56 41 52.6956           ~ 29 1
2 IRAS 00420+5530 Y*? 00 44 57.31 +55 47 18.1           ~ 61 0
3 NGC 281 HII 00 52 25.1 +56 33 54           ~ 251 1
4 Ass Cas OB 6 As* 02 43 +61.3           ~ 128 0
5 NAME Ori I As* 05 38 -02.8           ~ 653 0
6 NAME Orion Molecular Cloud MoC 05 56 -01.8           ~ 1227 1
7 NAME Car Arm PoG 10 00 -60.0           ~ 471 1
8 Ass Car OB 1 As* 10 38 -59.0           ~ 172 0
9 HD 92607 EB* 10 40 12.4246763928 -59 48 10.117926324 7.36 9.60 9.00 9.00   O9IVn 52 0
10 HD 305443 * 10 40 30.1113721992 -59 56 51.191983608 10.04 10.70 10.53 10.62   B2III 27 0
11 HD 92644 * 10 40 31.7132436240 -59 46 43.894596756 7.98 8.99 8.88 9.52   B0V 38 0
12 HD 305448 * 10 40 39.2580646872 -60 05 36.154441788 8.94 9.78 9.81 10.08   B0.5V 26 0
13 HD 92741 * 10 41 12.3507121464 -59 58 25.042725912 6.41 9.02 8.77 8.40   B1/2II 61 0
14 CPD-59 2451 * 10 41 15.3216100440 -59 57 45.536173092 10.56 10.98 10.59 10.56   B2III 18 0
15 CPD-59 2454 * 10 41 20.2792433160 -60 06 36.353952864 10.72 11.32 11.18 11.22   B2V 21 0
16 HD 303225 * 10 41 35.4955685520 -59 39 45.071179344 9.3 10.03 9.88 10.12   B1.5V 27 0
17 HD 92852 * 10 41 54.2042438376 -59 06 36.468001692   9.59 9.73     B2V 28 0
18 HD 303202 * 10 41 55.8359001144 -59 16 16.662595476 9.2 9.94 9.72 10.01   B1V 37 0
19 HD 303189 * 10 41 59.2191335328 -59 07 49.710698004 9.56 10.31 10.21 10.39   B0.5V 29 0
20 HD 305452 * 10 42 02.3014510752 -60 08 38.600533356 8.87 9.53 9.47 9.85   B2III 33 0
21 HD 92877A * 10 42 07.6226956008 -59 54 24.416353188   8.72 8.77 9.486   ~ 4 0
22 HD 305439A * 10 42 10.3365026880 -59 58 01.026885144 9.08 10.04 9.72 9.77   ~ 18 0
23 CPD-58 2563 * 10 42 11.6988404976 -59 08 29.307530184 9.99 10.68 10.54 10.67   B1Vn 23 0
24 HD 303297 SB* 10 42 13.3271967048 -59 09 46.776613788 8.78 9.61 9.49 9.90   B1III 34 0
25 Cl Bochum 10 OpC 10 42 14.2 -59 08 44   6.40 6.2     ~ 86 0
26 HD 92894 * 10 42 15.8245629528 -59 08 13.958305224 8.75 9.57 9.38 9.80   B1III 38 0
27 HD 303296 bC? 10 42 25.0359988968 -59 09 24.497727804 8.89 9.69 9.55 9.93   B1III 38 0
28 HD 92937 Be* 10 42 32.1445942176 -59 35 30.354201564   9.08 8.95     B3V 25 0
29 CD-59 3239 bC? 10 42 36.1526752608 -59 59 26.058515532 10.16 10.85 10.80 10.77 10.655 B0.5V 33 0
30 HD 92964 s*b 10 42 40.5664557600 -59 12 56.730301164 5.12 5.78 5.51 5.30 5.00 B2.5Ia 155 0
31 HD 305438 SB* 10 42 43.7655852768 -59 54 16.457670072 7.82 8.81 8.85 9.51   O8Vz 45 0
32 CPD-58 2582 * 10 42 44.0601643104 -59 07 07.516367580 10.16 10.86 10.74 10.88   B0.5IV/Vne 23 0
33 HD 305437 SB* 10 42 45.1739290128 -59 52 19.554666132 8.21 9.10 9.10 9.65 9.224 B0V 36 0
34 HD 303313 * 10 42 50.1711104904 -59 25 31.153268928 9.88 10.46 10.16 10.36   B2V+B2V 24 0
35 HD 305535 * 10 42 54.6435823128 -59 58 19.683122592   9.43 9.39     B2.5V 30 0
36 HD 303299 Em* 10 43 01.5433378320 -59 20 23.751080088 9.05 9.61 9.43 9.76   B1Ve 19 0
37 HD 305515A * 10 43 03.9892031040 -59 51 39.104508168           ~ 3 0
38 HD 93002 * 10 43 04.1359995648 -59 04 59.783137788 8.76 9.56 9.45 9.89   B2III 36 0
39 2MASS J10430716-5931209 Y*? 10 43 07.1642273160 -59 31 20.970100344 16.084 16.141 15.056   13.295 B 8 0
40 V* DW Car SB* 10 43 10.0815693384 -60 02 11.745452652 9.02 9.83 9.85 10.03 9.59 B1III 80 0
41 HD 303316 SB* 10 43 11.1862677408 -59 44 21.026160276 9.148 9.890 9.633 9.89 9.086 O7V((f))z 41 0
42 Cl* Trumpler 14 MJ 24 Y*? 10 43 11.9206681752 -59 44 30.433913916 11.775 12.310 11.923 11.80 11.225 ~ 8 0
43 HD 93028 SB* 10 43 15.3393101352 -60 12 04.231982304 7.29 8.24 8.30 9.26   O9IV 181 0
44 HD 305516 SB* 10 43 15.7465425600 -59 51 05.591148840 9.16 9.91 9.85 10.09   B0.5V 36 0
45 HD 93026 * 10 43 16.3216182360 -59 10 27.140984328 10.79 9.70 9.58 9.96   B2III 31 0
46 HD 93027 Y*O 10 43 17.9451218184 -60 08 03.279537240 7.86 8.72 8.72 9.48   O9.5IV 90 0
47 2MASS J10432086-5929595 * 10 43 20.8585157232 -59 29 59.585294508 14.713 14.817 14.427   13.709 B 8 0
48 V* V724 Car bC* 10 43 27.3946952088 -60 05 54.787692732 8.13 9.03 9.00 9.59 8.90 O9V+B2V 39 0
49 V* V725 Car EB* 10 43 30.8371202256 -59 29 23.879203368 9.66 10.29 10.08 10.06   O9.7IV 47 0
50 CD-58 3524 s*b 10 43 33.3506407920 -59 35 11.148512172 10.084 10.583 10.074 10.09 9.218 B1Ia 38 0
51 Cl Trumpler 14 53 s*b 10 43 36.6224927112 -59 34 51.059578908 13.828 14.137 13.577   12.599 BI 13 0
52 Cl Trumpler 14 43 Y*? 10 43 38.6441929656 -59 34 44.438475468 12.107 12.589 12.170 12.12 11.43 B 18 1
53 CPD-59 2535 SB* 10 43 40.8133070880 -60 10 03.230226984           B2V 7 0
54 CPD-58 2608A * 10 43 41.2298355888 -59 35 48.162428916 10.935 10.98 10.42 10.76 9.92 O7.5Vz 26 0
55 CPD-58 2608B ** 10 43 41.23944 -59 35 53.0196 11.677 11.01 10.48 11.43 10.27 B1V 11 0
56 HD 305556 * 10 43 43.4041206528 -60 20 27.460966200 8.71 8.90 8.80 9.46   B1Ib 30 0
57 Cl Trumpler 14 28 SB* 10 43 43.5395773800 -59 34 03.526894380 12.366 12.829 12.370   11.585 B2III 32 0
58 Cl Trumpler 14 61 s*b 10 43 43.5404220720 -59 35 45.168530064 13.710 14.074 13.527 13.55 12.47 BI 14 0
59 Cl Trumpler 14 27 SB* 10 43 43.8836722848 -59 33 46.270987560 10.979 11.539 11.219 11.13 10.62 B1.5V 41 0
60 HD 305518 * 10 43 44.0079168072 -59 48 17.844354720 9.50 10.09 9.719 9.90 9.195 O9.7III 58 0
61 Cl Trumpler 14 60 * 10 43 44.3048296704 -59 35 18.590101584 13.781 14.116 13.656   12.855 ~ 9 0
62 CD-59 3265 * 10 43 45.0792789600 -59 53 25.427994540 9.80 10.49 10.36 10.48   B0.5V 22 0
63 CD-58 3526 Y*? 10 43 46.6855999968 -59 32 54.846500640 9.161 9.884 9.593 9.84 9.13 O6V((f))z 77 0
64 HD 93097 * 10 43 46.9854841224 -60 05 49.318738728 8.97 9.79 9.78 10.05 9.77 B0.5IV 29 0
65 Cl Trumpler 14 45 Y*? 10 43 47.9727686976 -59 33 59.141757528 13.303 13.635 13.197 13.17 12.46 B 18 0
66 Cl Trumpler 14 21 SB* 10 43 48.6941418096 -59 33 24.351520752 10.467 11.122 10.774   10.106 O9V 50 0
67 Cl Trumpler 14 22 Y*? 10 43 48.8022194784 -59 33 35.233169868 12.069 12.552 12.228 12.21 11.64 B2V 29 0
68 CPD-59 2543 * 10 43 48.8736702528 -60 09 00.842623020   10.97 11.00     B2V 19 0
69 HD 305521 * 10 43 49.4072717232 -59 57 22.604656932 9.18 10.00 9.96 10.06   B0V 26 0
70 Cl Trumpler 14 24 * 10 43 50.8954557504 -59 33 50.665502484 11.911 12.399 12.000 11.83 11.29 B1V 25 0
71 Cl* Trumpler 14 MJ 138 Y*? 10 43 52.0571996712 -59 32 40.264324332 11.841 12.382 12.162 12.19 11.66 ~ 13 0
72 Cl Trumpler 16 160 * 10 43 52.2238574328 -59 36 58.608648828 12.146 12.641 12.240 12.16 11.53 B 20 0
73 2MASS J10435250-5942503 * 10 43 52.4852360760 -59 42 50.423341680 17.471 17.568 16.469   14.674 B 7 0
74 Cl Trumpler 14 5 * 10 43 53.6203837896 -59 33 28.513930068 11.046 11.631 11.302 11.20 10.65 B0.2V 30 0
75 Cl Trumpler 14 3 Y*? 10 43 53.6447916168 -59 33 00.690433164 10.354 11.002 10.730   10.08 B0.2V 14 0
76 Cl* Trumpler 14 MJ 152 * 10 43 53.8533399088 -59 32 47.392150632 11.015 11.652 11.421   10.966 B1.5:V(n) 8 0
77 HD 93128 SB* 10 43 54.3957741024 -59 32 57.497266716 8.82 8.97 8.77 9.40 8.71 O3.5V((fc))z 112 1
78 Cl* Trumpler 14 Y 489 Y*? 10 43 55.0095093264 -59 36 24.115061880 12.878 13.299 12.912   12.219 ~ 14 0
79 Cl Trumpler 14 10 Y*? 10 43 55.1966734272 -59 32 39.585498792 12.267 12.702 12.473 12.62 11.77 B2V 27 0
80 Cl Trumpler 14 4 * 10 43 55.2014351136 -59 33 14.826809592 10.615 11.321 11.039   10.477 B0V 40 0
81 Cl Trumpler 14 9 Y*? 10 43 55.3595921208 -59 32 48.868422180 9.282 10.102 9.902 9.31 9.45 O8.5V 21 0
82 GES J10435580-5932520 Y*? 10 43 55.8341433339 -59 32 52.262603402 12.517 13.077 12.816   12.314 ~ 9 0
83 Cl Trumpler 14 OpC 10 43 56.0 -59 33 07   5.70 5.5     ~ 547 0
84 Cl Trumpler 14 26 Y*? 10 43 56.0276229384 -59 34 41.003031468 11.833 12.346 11.966 11.92 11.26 B2V 26 0
85 2MASS J10435649-5932497 Y*? 10 43 56.4209679624 -59 32 49.731198180 10.407 11.104 10.947   10.34 ~ 10 0
86 Cl* Trumpler 14 VBF 65 Y*? 10 43 57.2003924280 -59 32 41.137600740 12.882 13.160 12.852   12.306 B 15 0
87 HD 93129A SB* 10 43 57.4587319296 -59 32 51.394897284 6.46 7.478 7.310 7.84   O2If* 180 0
88 CD-59 3274 * 10 43 57.4814503080 -60 05 28.175041320 8.42 9.37 9.36 9.76   O9V 36 0
89 Cl Trumpler 14 6 Y*? 10 43 57.5626033368 -59 33 38.648795904 10.616 11.329 11.121   10.663 B1V 40 0
90 HD 93129B Y*? 10 43 57.6453994104 -59 32 53.765064780   10.40 8.84     O3.5V((f)) 78 0
91 Cl Trumpler 14 18 * 10 43 57.9420708960 -59 33 53.803776276 11.648 12.206 11.904   11.323 B2V 30 0
92 Cl Trumpler 14 12 Y*? 10 43 58.0032788904 -59 32 30.828202008 12.383 12.833 12.581 12.80 12.15 B2V 25 0
93 Cl Trumpler 14 19 SB* 10 43 58.4488582272 -59 33 01.649004012 11.765 12.020 11.692   11.064 B1V 24 0
94 Cl Trumpler 14 36 Y*? 10 43 58.9931809229 -59 33 19.576601946 11.644 12.251 11.986 12.11 11.41 ~ 13 0
95 Cl* Trumpler 14 VBF 91 Y*? 10 43 59.2248153528 -59 33 21.725286768 13.645 13.826 13.439   12.766 B 16 0
96 HD 93146B * 10 43 59.4513715488 -60 05 13.424726256 9.07         O9.7IV 23 0
97 Cl* Trumpler 14 MJ 190 Y*? 10 43 59.5011585048 -59 32 22.862582808 11.336 11.874 11.603   11.088 ~ 11 0
98 Cl Trumpler 14 7 * 10 43 59.5027918344 -59 32 31.719044976 11.307 11.791 11.412 11.38 10.66 B1V 23 0
99 Cl Trumpler 16 126 Y*? 10 43 59.8535638152 -59 35 24.375058260 10.848 11.354 10.920 10.73 10.13 B0.7V 28 1
100 Cl Trumpler 14 15 Y*O 10 43 59.8648673688 -59 31 47.244876600 12.091 12.274 11.863   11.036 B7V 34 0
101 CD-58 3529 * 10 43 59.9072622960 -59 32 25.452459240 8.631 9.439 9.286 9.73 9.11 O7V((f))z 31 0
102 Cl Collinder 228 OpC 10 44 00 -60 05.2           ~ 211 0
103 Cl Collinder 228 68 * 10 44 00.1425345912 -60 06 07.626241836 9.48 10.21 10.16     B0V 17 0
104 HD 93146A * 10 44 00.1579435416 -60 05 09.880180368 7.57 8.45 8.47 9.281   O7V((f))z 91 0
105 V* V661 Car SB* 10 44 00.3711575208 -59 52 27.521778900 7.60 8.31 8.04 8.75   O6.5III(f) 148 0
106 CPD-59 2554 * 10 44 00.4276136736 -60 05 59.995921668 7.95 8.73 8.76     O9.5IV 29 0
107 CPD-58 2623 SB* 10 44 00.6127403448 -59 25 49.269343728 9.54 10.38 10.18 10.16 9.775 B1III 37 0
108 CPD-58 2625 * 10 44 00.9232424712 -59 35 45.798105192 10.425 11.050 10.670   9.958 O9.2V 49 1
109 CPD-58 2627 * 10 44 02.4460555080 -59 29 36.783166884 9.72 10.17 10.00 10.19   O9.5V(n) 35 0
110 Cl* Trumpler 14 Y 461 Y*O 10 44 03.1976882328 -59 37 37.816458600 12.500 12.968 12.667   12.125 B 15 0
111 Cl* Trumpler 14 Y 317 * 10 44 03.7280077800 -59 48 14.185039068 12.449 12.906 12.449   11.644 ~ 6 0
112 Cl Trumpler 14 38 Y*? 10 44 03.7772840880 -59 33 10.728932580 13.318 13.569 13.230 13.22 12.684 B 15 0
113 Cl* Trumpler 14 Y 519 s*b 10 44 03.8367547152 -59 34 34.504765464 13.020 13.398 13.072   12.534 BI 15 0
114 Cl Trumpler 14 29 Y*O 10 44 05.0728510560 -59 33 41.334325956 12.138 12.25 11.71 11.80 11.019 B1.5V 30 0
115 Cl Trumpler 16 124 Y*? 10 44 05.8192228848 -59 35 11.699371680 10.711 11.349 11.092   10.598 B1V 36 1
116 HD 305520 * 10 44 05.8557244896 -59 59 41.562158352 8.16 8.89 8.68 9.41   B1Ia 37 0
117 Cl* Trumpler 14 Y 339 * 10 44 05.9160263400 -59 44 27.626168760 16.167 16.121 15.344   13.980 B 10 0
118 HD 93160 SB* 10 44 07.2603347496 -59 34 30.623536272 7.27 7.99 7.60 8.46   O7III((f)) 121 0
119 Cl* Trumpler 14 Y 613 * 10 44 08.2584263064 -59 29 59.485405668 10.921 11.577 11.306   10.806 ~ 10 0
120 HD 93161A SB* 10 44 08.8380609288 -59 34 34.509718560 7.33 8.619 8.581 8.61   O7.5V+O9V 52 1
121 HD 93161B * 10 44 09.0755469120 -59 34 35.393294136   8.658 8.641     O6.5IV((f)) 24 1
122 2MASS J10440976-5944480 * 10 44 09.7608115512 -59 44 47.946315516 15.890 15.940 15.198   13.850 B 8 0
123 [S87b] IRS 60 s*b 10 44 09.9225734472 -59 46 18.579589608   17.718 15.810 15.33 12.84 BI 8 0
124 HD 93162 WR* 10 44 10.3890266112 -59 43 11.106500520 7.90 8.55 8.80 8.66   O2.5If*/WN6+OB 374 0
125 HD 305536 Y*O 10 44 11.0717950440 -60 03 21.545490888 8.17 8.99 8.971 9.57   O9.5V 57 0
126 Cl Trumpler 16 130 Y*? 10 44 12.1609336992 -59 33 51.119927748 13.066 13.267 12.921 12.95 12.32 B 17 1
127 Cl* Trumpler 14 MJ 251 * 10 44 12.5036655336 -59 43 27.474536316 14.673 14.976 14.402   13.271 B 11 0
128 Cl Trumpler 16 131 Y*? 10 44 12.8336784480 -59 33 32.322890952 13.674 13.932 13.562 13.64 12.95 B 17 1
129 Cl Trumpler 16 244 * 10 44 13.1976537888 -59 43 10.249065660 11.033 11.507 10.709 10.25 9.33 O3.5If*Nwk 41 1
130 Cl Trumpler 16 245 EB* 10 44 13.8080370336 -59 42 57.010898196 12.290 12.832 12.333   11.137 B0V+B1V: 28 0
131 Cl Trumpler 16 246 * 10 44 14.7513146040 -59 42 51.670837188 11.812 12.415 11.920   10.944 B0.5V 19 0
132 HD 305522 * 10 44 14.9655595968 -60 00 05.678223120 8.99 9.77 9.69 9.95   B0V+B1V 28 0
133 Cl* Trumpler 14 Y 467 * 10 44 15.3509437536 -59 36 04.141619424 13.523 13.660 13.224   12.558 B 10 0
134 CPD-59 2570 * 10 44 15.8663007744 -60 09 04.451074236 9.91 10.60 10.51 10.77   B0.5V 20 0
135 Cl Trumpler 16 59 EB* 10 44 18.2958564144 -59 42 29.503616148 12.037 12.619 12.416   12.019 B2: 13 0
136 HD 93190 Be* 10 44 19.6107364872 -59 16 58.802853324 8.12 9.10 8.84 9.24   O9.7:V:(n)e 68 0
137 Cl Trumpler 16 247 * 10 44 19.7008529880 -59 43 07.810461624 13.567 13.830 13.540   13.017 B 13 0
138 Cl* Trumpler 14 Y 11 Y*? 10 44 20.4802649088 -59 30 47.183400180 13.650 13.836 13.486   12.968 B 15 0
139 CPD-59 2571 Y*O 10 44 22.5135812280 -59 39 25.518245796 10.648 11.340 11.196   10.885 B3V 36 0
140 HD 93206 * 10 44 22.9085235888 -59 59 35.970489960 5.53 6.37 6.24 7.42   O9.7Ibn 223 0
141 Cl* Trumpler 14 Y 300 * 10 44 24.5106555096 -59 45 44.114021208 15.909 15.851 15.181   14.047 B 10 0
142 CPD-58 2640 Y*? 10 44 24.6222058080 -59 30 36.099146304 10.459 11.104 10.895 10.88 10.522 B1V+B2V 29 0
143 Cl Trumpler 16 122 * 10 44 25.4911401096 -59 33 09.430138512 10.954 11.560 11.342   10.937 B1.5V 28 1
144 CD-59 3288 * 10 44 26.4825359856 -59 41 02.697054828 9.401 9.979 9.842 10.074 9.682 B1.5V 40 0
145 Cl Trumpler 16 18 Y*O 10 44 28.9768931496 -59 42 34.214220720 11.752 12.319 12.111   11.720 B2V 27 0
146 CPD-58 2644 * 10 44 29.1007818144 -59 20 04.970283396 10.17 10.86 10.64 10.75   B1III 26 0
147 Cl* Trumpler 14 MJ 328 * 10 44 29.1143321088 -59 48 20.897456436 13.362 13.542 12.660   11.215 B 9 0
148 CPD-58 2648 * 10 44 29.4222601584 -59 38 37.759085232 11.130 11.795 11.496   10.954 B1III 28 0
149 Cl* Trumpler 14 Y 50 Y*? 10 44 29.4533574792 -59 33 43.950028932 13.368 13.627 13.253   12.663 B 13 0
150 HD 305523 * 10 44 29.4771423744 -59 57 18.094514724 7.82 8.64 8.50 9.25   O9II-III 77 0
151 CPD-58 2649A * 10 44 30.3659799480 -59 37 26.442866856           ~ 3 0
152 CPD-59 2581 * 10 44 30.4895570400 -59 41 40.465347792 10.361 11.077 10.861   10.465 B1V 31 0
153 CPD-58 2647 SB* 10 44 30.7649602272 -59 21 26.067295872 10.88 11.38 11.12 11.26 10.687 B2III 27 0
154 Cl* Trumpler 14 Y 30 Y*? 10 44 31.3293539232 -59 30 37.919606904 12.222 12.633 12.301   11.751 B 13 0
155 Cl Trumpler 16 232 * 10 44 31.3818623640 -59 44 07.939429404 11.478 12.064 11.913   11.620 ~ 11 0
156 HD 93204 * 10 44 32.3390794992 -59 44 31.020804780 7.63 8.52 8.42 8.20 7.92 O5.5V((f)) 200 0
157 Cl Trumpler 15 25 Y*O 10 44 32.6615007920 -59 20 38.505003322   12.96 12.73     B5V 14 0
158 CPD-59 2583 Y*O 10 44 32.8936828008 -59 40 25.916315016 10.369 11.057 10.882   10.522 B1V 38 0
159 2MASS J10443341-5933189 Y*O 10 44 33.4060512936 -59 33 19.167581268 16.286 16.726 16.265   14.52 B 10 0
160 V* V560 Car SB* 10 44 33.7393258944 -59 44 15.434446956 6.89 7.80 7.75 7.56 7.46 O3.5V((f))+O8V 314 0
161 Cl Trumpler 15 20 Y*? 10 44 35.1060059352 -59 23 28.166456976   12.99 12.70     O9V: 18 0
162 Cl Trumpler 15 19 Y*? 10 44 35.9168086776 -59 23 35.636100108   13.01 12.71     B2V 20 0
163 HD 93222 Y*O 10 44 36.2481200208 -60 05 28.890759120 7.26 8.18 8.10 8.91   O7V((f))z 212 0
164 Cl Trumpler 15 18 * 10 44 36.3461573784 -59 24 20.440188252 12.3 12.39 11.28     B1Ia 21 0
165 CPD-59 2591 * 10 44 36.7048192536 -59 47 29.696644860 10.726 11.312 10.851   9.975 O8.5V+B0.5:V: 48 0
166 CD-59 3297 * 10 44 36.7776917976 -59 54 24.813636300 10.03 10.24 9.48 9.64 8.985 B1Ib 36 0
167 CPD-59 2593 V* 10 44 36.8708064648 -60 01 11.639770104 9.71 10.33 10.23     B2V 18 0
168 Cl Trumpler 16 14 Y*O 10 44 37.1725082376 -59 40 01.309453248 11.468 12.039 11.682   11.025 B1V 36 0
169 HD 303311 SB* 10 44 37.4602634976 -59 32 55.460525100 8.30 9.042 8.979 9.58 9.09 O6V((f))z 91 0
170 Cl Trumpler 15 21 * 10 44 37.6624042152 -59 23 07.188686304   13.38 13.13     B1V: 16 0
171 CPD-59 2595 SB* 10 44 38.6631398184 -59 48 14.152220316 9.644 10.222 10.161   9.995 B2V 37 0
172 Cl Collinder 232 OpC 10 44 39.00 -59 33 36.0           ~ 72 0
173 CPD-59 2598 * 10 44 40.3145381832 -59 41 48.828140520 10.455 11.045 10.753 10.72 10.271 B0V 40 0
174 CPD-58 2653B Y*O 10 44 40.4614895016 -59 22 28.252031340           ~ 3 0
175 Cl Trumpler 15 4 Y*O 10 44 40.5815183736 -59 21 13.781611980 10.58 11.21 10.95 11.02   B1Vn 20 0
176 CPD-59 2596 * 10 44 40.9852706016 -59 40 10.195802508 11.034 11.670 11.273   10.574 B0V 28 0
177 CD-59 3300 * 10 44 41.7962304024 -59 46 56.405228916 8.07 8.79 8.57 9.33   O6V((f)) 150 0
178 CPD-58 2655 Y*? 10 44 42.1293275376 -59 22 30.573769368 10.45 10.93 10.69 10.884   B1V 26 0
179 CPD-58 2656 * 10 44 42.3352767192 -59 23 03.847424676   10.29 10.05 10.15   B1V 32 0
180 Cl Trumpler 15 9 Y*? 10 44 42.3536401800 -59 22 02.975518920   12.94 12.59     B2V 20 0
181 CPD-58 2657 * 10 44 42.7572866304 -59 21 50.949886644 10.37 10.78 10.43 10.53   B2.5Vn 18 0
182 Cl Trumpler 15 OpC 10 44 43.6 -59 22 07           ~ 229 0
183 Cl Trumpler 15 2 Y*? 10 44 43.7535299928 -59 21 17.284005828 8.94 9.67 9.47     B0V 31 0
184 HD 93249 Y*? 10 44 43.8755766936 -59 21 25.141338252 7.75 8.78 8.20 9.20   O9III 104 0
185 Cl Trumpler 15 3 * 10 44 44.4741372360 -59 21 32.808833280 10.21 10.86 10.570   10.20 B2Vn 20 0
186 HD 93250 ** 10 44 45.0275085072 -59 33 54.680974848 6.73 8.12 7.50 8.38   O4III(fc) 334 0
187 HD 305524 * 10 44 45.2430436392 -59 54 41.516898084 8.81 9.53 9.29 9.71   O6.5Vn((f))z 51 0
188 CPD-58 2662 * 10 44 46.5219462024 -59 21 53.862517980   11.83 11.55     B2V 18 0
189 Cl Trumpler 16 44 * 10 44 47.0998473120 -59 39 20.045010204 13.856 14.101 13.487   12.465 B 15 0
190 V* V572 Car SB* 10 44 47.3048862456 -59 43 53.277923784 8.17 8.96 8.81 9.45   O7V+O9.5V+B0.2IV 182 0
191 HD 305534 * 10 44 47.5135200936 -59 57 58.934234628 9.05 9.79 9.69 9.94   B0V+B0V 34 0
192 2MASS J10444848-5947493 * 10 44 48.4940653344 -59 47 49.390113408 18.041 17.707 16.203   13.968 B 7 0
193 Cl Trumpler 15 17 Y*? 10 44 49.8789699408 -59 24 46.947781872   13.64 13.14 13.27   B5V 11 0
194 Cl* Trumpler 14 Y 60 * 10 44 50.3652560976 -59 34 46.802548416 13.922 14.035 13.597   12.877 B 12 0
195 CPD-59 2605 Y*O 10 44 50.4207774144 -59 55 44.893218720 10.55 11.26 11.04 11.03   B1V 25 0
196 Cl Trumpler 16 47 * 10 44 51.5996658576 -59 43 13.511980956 12.876 13.229 12.851   12.210 B 19 0
197 Cl Trumpler 16 236 * 10 44 52.0051276584 -59 39 32.024927772 15.980 15.791 14.776 14.39 13.16 B 10 0
198 CPD-58 2667 * 10 44 53.7609421824 -59 37 48.198394740 11.430 11.851 11.425   10.704 B2III 23 0
199 Cl* Trumpler 14 Y 226 s*b 10 44 53.9470228512 -59 45 23.990041440 13.653 13.945 13.586   12.966 B3V(e) 16 0
200 CPD-59 2606 * 10 44 54.0636121968 -59 41 29.400907740 10.496 11.168 10.905   10.490 B1V 37 0
201 CD-59 3304 SB* 10 44 54.7086302424 -59 56 01.842920808 9.48 10.29 10.10 10.17   O8.5V 31 0
202 Cl Trumpler 16 215 * 10 44 56.0159655576 -59 38 52.915154064 13.644 13.935 13.332 13.08 12.13 B 10 0
203 Cl Trumpler 16 31 Y*? 10 44 56.2713895896 -59 33 03.505993308 9.999 10.705 10.472   10.028 B2V 33 0
204 Cl Trumpler 16 40 * 10 44 56.7373747200 -59 40 02.364537684 13.278 13.573 13.187 13.32 12.48 B 18 0
205 CPD-59 2614 * 10 44 57.3354272112 -60 00 46.713521412 10.39 11.06 10.85 10.88   B1III 20 0
206 Cl Trumpler 16 39 * 10 44 57.9159194376 -59 39 59.921936208 12.765 13.126 12.679 12.74 11.89 B3: 14 0
207 Cl* Trumpler 14 MJ 451 * 10 44 58.3723695168 -59 32 06.272258856 13.417 13.677 13.239   12.537 B 12 0
208 Cl Trumpler 16 42 * 10 44 58.4101031424 -59 39 43.495260696 12.842 13.246 12.861 12.79 12.18 B1V 12 0
209 Cl Trumpler 16 46 * 10 44 58.88 -59 42 23.1 11.607 12.001 11.623   11.005 B3: 9 0
210 CPD-59 2618 Y*O 10 44 59.9009208768 -59 43 14.820372732 11.462 12.106 11.794   11.232 B1.5Vpe 27 0
211 Cl Trumpler 16 38 * 10 45 00.2003394816 -59 40 05.056885668 13.367 13.626 13.283 13.21 12.62 B 17 0
212 CPD-59 2616 SB* 10 45 00.2427057888 -59 43 34.386860748 11.428 11.873 11.587   11.060 B2V 28 0
213 Cl Trumpler 16 OpC 10 45 01.9 -59 42 00           ~ 510 0
214 Cl* Trumpler 14 Y 89 * 10 45 01.9792244232 -59 34 05.874553920 15.621 15.856 15.109   13.841 B 9 0
215 CPD-59 2619 V* 10 45 02.1852042576 -59 42 01.145719332 10.764 11.428 11.173   10.714 B1V 34 0
216 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1071 2
217 CPD-59 2622 * 10 45 03.1575196032 -59 40 12.521635788 10.169 10.921 10.751 10.56 10.476 B0.5V 34 0
218 * eta Car s*b 10 45 03.545808 -59 41 03.95124 6.37 7.03 6.48 6.123 4.41 LBV 2543 0
219 Cl Trumpler 16 64 * 10 45 04.7621042301 -59 40 53.556775528 10.084 10.789 10.661   10.361 B1.5V:b 18 0
220 Cl Trumpler 16 65 * 10 45 05.1392822495 -59 40 57.245040056 10.482 11.153 11.019   9.36 B1.5V 10 0
221 Cl Trumpler 16 72 * 10 45 05.1838290960 -59 41 42.360262224 11.806 12.338 12.081 12.12 11.67 B1V 20 0
222 CPD-59 2626 * 10 45 05.8006619760 -59 45 19.624746096 9.792 10.389 9.995 10.03 9.228 O7.5V(n)z 67 0
223 CPD-59 2624 SB* 10 45 05.8358470968 -59 43 07.684616964 9.324 10.018 9.740   9.221 O9.7IV 64 0
224 Cl Trumpler 16 66 * 10 45 05.8685341288 -59 40 54.496519383 11.512 12.088 11.887   11.21 ~ 12 0
225 CPD-59 2625 * 10 45 05.8757742144 -59 44 18.801774780 11.092 11.698 11.506   11.115 B2V 33 0
226 HD 303308 ** 10 45 05.9147911152 -59 40 05.925360036 7.45 8.30 8.17 7.92 7.75 O4.5V((fc)) 314 0
227 Cl* Trumpler 14 Y 38 Y*? 10 45 06.1592507664 -59 31 23.063865672 11.280 11.805 11.464   10.923 ~ 10 0
228 Cl Trumpler 16 73 * 10 45 06.3497305128 -59 42 35.766467640 11.772 12.241 11.818 11.76 11.08 B1: 17 0
229 CPD-59 2627 * 10 45 06.7193609928 -59 41 56.560947828 9.606 10.343 10.116   9.685 O9.5V 59 0
230 Cl Trumpler 16 77 * 10 45 07.1348746584 -59 40 58.446786324 11.855 12.312 12.014 12.08 11.37 B3: 15 0
231 Cl Trumpler 16 69 * 10 45 07.8845522568 -59 41 34.007551188 13.089 13.369 12.962 12.88 12.18 B3 18 0
232 Cl Trumpler 16 51 * 10 45 07.9216611144 -59 39 00.977075496 12.713 13.123 12.795   12.246 B 16 0
233 CPD-59 2628 SB* 10 45 08.2244134080 -59 40 49.413975060 8.791 9.571 9.460 9.87 9.219 O9.5V(n)+B0.5V(n) 88 0
234 CPD-59 2629 * 10 45 08.2352224872 -59 46 06.976659612 10.780 11.336 10.848   9.971 O8.5Vp 78 0
235 Cl Trumpler 16 52 * 10 45 08.3562236856 -59 38 47.406163920 12.623 13.006 12.621   11.941 B 18 0
236 Cl Trumpler 16 33 * 10 45 09.6509223696 -59 40 08.461774272 12.057 12.502 12.249 12.23 11.79 B2V 20 0
237 Cl Trumpler 16 74 * 10 45 09.7364679408 -59 42 57.144017088 11.270 11.889 11.613   11.092 B1V 32 0
238 Cl* Trumpler 14 MJ 502 * 10 45 09.8669455975 -59 42 13.794314875 12.332 12.752 12.392   11.808 B 11 0
239 CPD-59 2632 SB* 10 45 11.1814992264 -59 41 11.202110340 10.207 10.943 10.797   10.494 B1V 44 0
240 HD 93343 * 10 45 12.2210285688 -59 45 00.441008892 9.01 9.76 9.558 9.17 8.76 O8Vz 93 1
241 Cl Trumpler 16 76 * 10 45 12.6489217848 -59 42 48.727620612 11.086 11.573 11.123   10.373 B2:V 24 0
242 Cl Trumpler 16 54 * 10 45 12.7023534336 -59 39 06.380311284 12.937 13.214 12.828   12.232 B 15 0
243 V* V731 Car SB* 10 45 12.7214663496 -59 44 46.149112428 8.739 9.472 9.229 9.65 8.699 O8V(n)+O9.5V 98 0
244 CPD-59 2636 ** 10 45 12.8686809888 -59 44 19.205057544 8.913 9.559 9.218   8.535 O8V+O8V 79 1
245 HD 305533 Y*O 10 45 13.3691046000 -59 57 53.792453736 9.94 10.81 10.58 10.56   B0V 30 0
246 Cl* Trumpler 14 Y 206 * 10 45 13.5504310656 -59 43 31.784865312 14.515 14.637 14.167   13.341 B 14 0
247 Cl* Trumpler 14 Y 203 * 10 45 14.9838190800 -59 43 23.213018712 11.475 11.998 11.625   10.944 ~ 13 0
248 Cl* Trumpler 14 MJ 525 * 10 45 15.8844974160 -59 29 56.329447380 11.930 12.415 12.057   11.467 B 9 0
249 Cl Trumpler 16 238 * 10 45 16.2153908376 -59 41 41.168660208 13.913 14.022 13.553 13.37 12.65 Ae 19 0
250 CPD-59 2640 * 10 45 16.5024476544 -59 39 56.677551264 10.464 11.154 11.005 11.05 10.66 B1.5V(n) 24 0
251 CD-59 3310 SB* 10 45 16.5181708560 -59 43 37.050828744 8.842 9.542 9.219 9.65 8.585 O6V((fc)) 97 0
252 Cl* Trumpler 14 Y 202 * 10 45 16.7023205136 -59 43 14.012407308 11.593 12.116 11.754   11.080 ~ 11 0
253 HD 305528 * 10 45 16.7310319488 -59 54 45.755131284   10.45 10.32     B2V 23 0
254 2MASS J10451717-5947013 * 10 45 17.1700662024 -59 47 01.382489700   19.182 17.504   14.560 B 12 0
255 Cl Trumpler 16 239 * 10 45 17.2933164264 -59 41 20.303002716 13.801 14.003 13.595 13.52 12.85 B 16 0
256 HD 93342 * 10 45 17.5677901848 -59 23 37.473711036 9.23 9.85 9.26 9.49 8.865 B1Ia 55 0
257 Cl Trumpler 16 240 * 10 45 17.9713660872 -59 41 09.461974848 14.118 14.267 13.851   13.09 B 16 0
258 2MASS J10451809-5938223 * 10 45 18.0852159768 -59 38 22.200724140 17.077 17.174 16.272   14.821 B 7 0
259 Cl* Trumpler 14 Y 189 * 10 45 18.9437810328 -59 42 18.385090848 12.372 12.841 12.498   11.897 B2V 12 0
260 Cl Trumpler 16 241 Y*O 10 45 18.9816194520 -59 41 42.708599232 14.378 14.477 14.061   13.333 Ae 16 0
261 Cl* Trumpler 14 MJ 540 s*b 10 45 19.2522863736 -59 29 52.294968384 12.446 12.993 12.492   11.538 BI 13 0
262 Cl Trumpler 16 55 * 10 45 19.4188604160 -59 39 37.330575012 11.919 12.454 12.193   11.736 B1.5V 21 0
263 CD-59 3312 * 10 45 20.5691164488 -59 42 51.240399480 9.420 10.203 10.032 10.12 9.632 O9V 55 0
264 Cl* Trumpler 16 MJ 560 * 10 45 21.8980015848 -59 45 24.887362248 13.617 13.971 13.459   12.579 B2V 10 0
265 CPD-58 2677 Y*? 10 45 22.1229273096 -59 37 38.370792792 11.276 11.874 11.574   11.059 B2III 26 0
266 2MASS J10452216-5942436 * 10 45 22.1649477768 -59 42 43.610088600   18.956 17.127   14.446 B 8 0
267 Cl* Trumpler 16 MJ 568 * 10 45 22.2824057088 -59 50 47.042261700 11.72 11.94 11.29     O6V((f)) 16 0
268 Cl* Trumpler 14 Y 192 * 10 45 22.5810814296 -59 42 36.716740488 11.515 12.079 11.790   11.270 ~ 13 0
269 Cl* Trumpler 14 Y 256 * 10 45 23.1101976360 -59 44 45.796309152 13.889 14.106 13.599   12.718 B 11 0
270 Cl* Trumpler 14 Y 193 * 10 45 24.1536231960 -59 42 31.376894328 13.505 13.782 13.382   12.706 B 13 0
271 [HSB2012] 3994 s*b 10 45 26.4721568304 -59 46 18.753150468 17.338 17.172 16.132   14.205 BI 9 0
272 [HSB2012] 4044 s*b 10 45 28.7484918216 -59 30 03.699948168 14.463 14.568 13.658   12.139 BI 9 0
273 [S87b] IRS 38 * 10 45 30.249 -59 48 20.64   19.903 17.638   13.63 O 12 0
274 Cl* Trumpler 16 MJ 585 * 10 45 31.3392981336 -59 41 13.268838048 12.604 13.041 12.671   12.031 B 15 0
275 Cl* Trumpler 14 Y 151 * 10 45 32.5446546792 -59 42 35.856135324 13.287 13.602 13.068   12.169 B 12 0
276 HD 305532 * 10 45 34.0456877136 -59 57 26.608751424 9.80 10.54 10.20 10.16 9.563 O6.5V((f))z 59 0
277 2MASS J10453607-5945295 * 10 45 36.0714951816 -59 45 29.441739888 17.630 17.715 16.789   14.991 B 10 0
278 V* V662 Car EB* 10 45 36.3215655240 -59 48 23.261257368 12.74 12.91 12.05 12.10   O5Vz+B0:V 54 0
279 [S87b] IRS 41 * 10 45 36.6094327920 -59 44 10.877966448 14.463 14.694 13.620 13.29 11.57 O9V 17 0
280 [S87b] IRS 42 * 10 45 36.7440193536 -59 47 01.899507876 16.925 16.729 15.084   12.197 O 16 0
281 Cl* Trumpler 16 MJ 599 * 10 45 38.0687819952 -59 44 09.365967744 13.346 13.820 13.048 12.81 11.46 O8Vz 13 0
282 Cl* Trumpler 14 Y 150 * 10 45 38.1908761872 -59 42 15.682656564 13.900 14.309 13.798   12.874 B 12 0
283 CPD-59 2652 SB* 10 45 38.6657474256 -60 04 25.865330520   11.30 11.05     B2V 9 0
284 Cl* Trumpler 16 MJ 602 * 10 45 40.6031978208 -59 37 04.217207088 13.238 13.673 13.243   12.489 B 10 0
285 Cl* Trumpler 16 MJ 603 * 10 45 41.1791855880 -59 36 39.186218196 13.013 13.576 13.015   12.168 B 8 0
286 Cl* Trumpler 14 Y 142 s*b 10 45 43.6510362552 -59 39 53.952546996 12.997 13.294 12.949   12.355 BI 10 0
287 HD 93403 SB* 10 45 44.1198371784 -59 24 28.153300860 6.72 8.46 8.27 8.35   O5.5III(fc)var 203 1
288 [AHP2016] OBc 60 * 10 45 45.3517594008 -59 58 52.982730408           B1III 5 0
289 HD 305538 SB* 10 45 46.4472523680 -60 05 13.276623876 10.25 10.758 10.499 10.657   B0.5V 22 0
290 CPD-59 2660 * 10 45 53.4543483048 -60 05 37.059639288 10.47 11.09 10.89     B0.5V 17 0
291 CPD-59 2661 Y*O 10 45 53.7131378088 -59 57 03.829825404 10.95 11.55 11.20 11.21   O9.5V 46 1
292 THA 35-II-101 Be* 10 45 57.1303844952 -59 56 43.138118076 11.54 12.25 11.550     Bep 31 0
293 HD 305525 * 10 46 05.7017733864 -59 50 49.380764388 10.26 10.68 10.00 10.03   O5.5V(n)((f))z 48 0
294 Cl* Trumpler 16 MJ 685 SB* 10 46 19.0669529232 -59 57 54.359936316   11.84 11.39     B1III 8 0
295 HD 93501 * 10 46 22.0412952048 -60 01 18.910042176 8.51 9.16 9.0     B0V 36 0
296 CPD-59 2673 SB* 10 46 22.4670182160 -59 53 20.502928176 10.43 10.93 10.47 10.26   O5.5V(n)((f))z 44 0
297 CPD-59 2674 * 10 46 25.4246420904 -60 08 43.685666952 10.37 11.21 11.09 11.02   B1III 21 0
298 HD 305539 * 10 46 33.0589064424 -60 04 12.602965440 9.43 10.24 9.91 10.02 9.481 O8Vz 62 0
299 HD 303304 * 10 46 35.6884190496 -59 37 00.531636960 9.42 10.08 9.67 9.84   O7-8V 42 0
300 HD 93576 Y*O 10 46 53.8437858408 -60 04 41.892617316 9.13 9.88 9.62 9.88   O9.5IV(n) 56 0
301 Cl Bochum 11 OpC 10 47 06.3 -60 05 55           ~ 95 0
302 HD 93620 SB* 10 47 09.2051192328 -59 47 29.794606800 8.7 9.29 9.16 9.63   B2III 31 0
303 HD 93632 * 10 47 12.6337916088 -60 05 50.814051396 7.89 8.69 9.10 9.04   O5Ifvar 97 0
304 CPD-59 2698 * 10 47 13.1678136240 -60 13 33.806755848 9.71 10.42 10.41 10.56   B2V 15 0
305 CPD-59 2700 * 10 47 14.4326165688 -60 06 01.059387408 9.93 10.64 10.48 10.52   B0 28 0
306 Cl Bochum 11 5 * 10 47 15.2916099138 -60 05 38.981399129           O9.7V 19 0
307 HD 305612 * 10 47 16.4260552848 -60 05 39.920241120 9.82   9.817 10.223   O8V(n)z 30 0
308 HD 303402 * 10 47 19.1993538360 -59 27 33.480722016 10.47 11.04 10.67 10.60 10.10 B1V 22 0
309 CPD-59 2704 SB* 10 47 22.1022760704 -60 05 57.657215364 10.73 11.50 11.30 11.27   B2V(e?) 31 0
310 CPD-59 2711 * 10 47 35.2115363232 -60 29 23.303490036   11.06 10.65 10.85   B1III 19 0
311 HD 93683 Be* 10 47 38.8785531792 -60 37 04.271539296 7.20 8.12 7.87 8.78   O9V+B0V 51 0
312 HD 93695 V* 10 47 44.3174678544 -59 52 30.921185136   6.35 6.47     B3V 53 0
313 HD 93723 SB* 10 48 01.6718916192 -59 39 03.247000308 8.02 8.59 8.59     B3III 32 0
314 HD 305619 SB* 10 48 15.5224786176 -60 15 56.768042412 9.28 9.86 9.44 9.72 8.876 O9.7II 56 0
315 HD 93843 Er* 10 48 37.7715351864 -60 13 25.518487656 6.37 7.29 7.33 8.23   O5III(fc) 184 0
316 V* V738 Car EB* 10 48 46.5213403896 -60 35 39.862528224 8.56 9.30 9.12 9.60   B0.5III 37 0
317 HD 93873 * 10 48 55.2196291608 -59 26 48.404477364 7.65 8.146 7.76 8.43   B1Ia/ab 48 0
318 HD 303413 * 10 48 58.9607279880 -59 41 09.171055356 9.33 9.92 9.78 9.94   B1III 24 0
319 HD 305602 * 10 49 08.9688750528 -59 53 27.772939788 9.9 10.56 10.28 10.31   B2V 22 0
320 HD 93911 Pu* 10 49 13.6471513152 -60 11 03.312610692 8.17 8.67 8.45 9.09   B2II 31 0
321 CPD-59 2749 SB* 10 49 14.2719967584 -60 15 57.186190872 10.2 10.72 10.54 10.58   B2III 16 0
322 HD 305599 SB* 10 49 24.9853740024 -59 49 43.851457992 9.72 10.39 10.05 10.11   B0V 28 0
323 HD 305606 SB* 10 49 25.8291501600 -60 01 37.046641908 9.78 10.54 10.52 10.63   B2V 23 0
324 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 581 1
325 V* V1827 Cyg s*b 20 30 27.3018237840 +41 13 25.130220744     13.053     O6Iaf+O9Ia 42 0
326 [CPR2002] A23 s*b 20 30 39.6999117024 +41 08 48.792195024   12.41 11.296     B0.7Ib 19 0
327 RLP 1520 SB* 20 30 50.7333660192 +41 35 06.639049932 15.23 15.04 13.74     B1.5V+B+? 20 0
328 GSC 03161-01224 * 20 30 51.1144819416 +41 20 21.764885280 17.28 16.66 14.48     B0V 20 0
329 [CPR2002] A26 LP* 20 30 57.7270705416 +41 09 57.526899120           O9V 15 0
330 GSC 03161-00706 * 20 30 59.383 +41 35 59.94   15 13.73     B2V 12 0
331 Schulte 1 SB* 20 31 10.544472 +41 31 53.52024 12.82 12.69 11.09 10.57   O8V+B 70 0
332 RLP 1592 SB* 20 31 18.3295427976 +41 21 21.703264884 15.88 15.09 12.99     O9III+ 32 0
333 Schulte 2 V* 20 31 22.0268518920 +41 31 28.365740076 12.01 11.82 10.64     B1Ib: 68 0
334 [CPR2002] A30 * 20 31 22.1000229360 +41 12 02.886968160   15.23 13.32 12.66   B0.2III 15 0
335 2MASS J20313055+4137159 * 20 31 30.5455693344 +41 37 15.901609728   15.78 14.56     B2V 13 0
336 RLP 582 SB* 20 31 33.3769187472 +41 22 49.014033456 16.52 15.81 13.81     B1V+B2V: 23 0
337 2MASS J20313364+4136046 * 20 31 33.6418510320 +41 36 04.668424776   15.89 14.60     B3V 12 0
338 2MASS J20313415+4131082 * 20 31 34.1481969360 +41 31 08.186201328   16.14 14.88     B3IV 10 0
339 [CPR2002] A15 * 20 31 36.9100232904 +40 59 09.036657888           O7Ib(f) 15 0
340 BD+40 4212 SB* 20 31 37.5053189952 +41 13 21.001757520 12.46 11.5 10.214     O6IV:+O9III 83 1
341 2MASS J20314163+4128209 * 20 31 41.6293813680 +41 28 20.916711732   15.74 14.40     B3V 12 0
342 RLP 593 * 20 31 45.3998073432 +41 18 26.728678620 14.91 14.25 12.26     O8V 32 0
343 BD+40 4213 * 20 31 46.0043597736 +41 17 27.073550796   9.523 9.109 9.19   F5V 18 0
344 Schulte 20 SB* 20 31 49.6575031512 +41 28 26.510600388 12.67 12.63 11.52     O9III+B 50 0
345 2MASS J20315540+4135276 * 20 31 55.4022789624 +41 35 27.530995560   16.32 15.07     B3V 8 0
346 [MT91] 170 * 20 31 56.2299160317 +41 35 12.058029704   16.26 15.21     B5:V 7 0
347 GSC 03161-01016 * 20 31 56.3690544360 +41 33 04.995050292 15.38 15.11 13.90     B1.5V 13 0
348 RLP 210 SB* 20 31 56.9461566120 +41 31 47.764616124 13.99 13.76 12.55     B2III+G-B 25 0
349 2MASS J20315961+4114504 * 20 31 59.6101878360 +41 14 50.455810716           O7.5Vz 16 0
350 GSC 03161-00887 * 20 31 59.9614054272 +41 37 14.085624216   15.46 14.00     B3V 10 0
351 MR 110 WR* 20 32 03.0201049320 +41 15 20.499732216   15.99 13.97     WC5 85 0
352 2MASS J20320311+4132302 * 20 32 03.1061515488 +41 32 30.239553552   15.34 14.14     B2Ve 10 0
353 RLP 545 LP* 20 32 03.7666533504 +41 25 10.443609084 15.15 14.76 13.24     B0.5V 25 0
354 GSC 03161-00885 * 20 32 04.8045585936 +41 28 44.084705556   14.85 13.81     B3IV 12 0
355 EM* AS 422 WR* 20 32 06.2786571432 +40 48 29.527101576   13.46 11.83     WN7o/CE+O7V(f) 107 0
356 2MASS J20320689+4117570 * 20 32 06.8731854672 +41 17 56.967519984   15.92 13.94     B0:II 13 0
357 RLP 615 SB* 20 32 07.9695369168 +41 21 59.849287740   15.81 14.46     B2V+A-B 14 0
358 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 334 0
359 [MT91] 215 * 20 32 13.5181557696 +41 27 29.986649172   13.93 12.97     B1V 11 0
360 RLP 527 * 20 32 13.8078585168 +41 27 41.414129244   14.2 13.02     B1.5V 13 0
361 BD+40 4219 * 20 32 13.8219154968 +41 27 12.006516060 11.50 11.40 10.22     O7III((f)) 115 0
362 2MASS J20321460+4122330 * 20 32 14.5997206848 +41 22 33.096770112 16.36 15.86 14.34     B1V 17 0
363 [MT91] 221 * 20 32 14.6955487680 +41 27 39.686180652   14.92 13.62     B2V 14 0
364 2MASS J20321504+4119303 * 20 32 15.0387020568 +41 19 30.424269828   16.29 14.9     B3V 13 0
365 Schulte 14 Em* 20 32 16.5622071096 +41 25 35.670679176 12.84 12.27 11.47     O9V 53 0
366 RLP 619 SB* 20 32 19.6472111832 +41 20 38.899179780 14.79 14.53 13.25     B1.5V+B 18 0
367 2MASS J20322135+4118354 * 20 32 21.3466446144 +41 18 35.477965044 17.31 16.71 14.91     B1V 16 0
368 GSC 03161-01342 * 20 32 21.7501948560 +41 34 25.027112892   15.47 14.33     B4V 12 0
369 RLP 530 SB* 20 32 22.1197789656 +41 27 42.085617228   14.58 13.88     B1.5V+B 14 0
370 BD+40 4220 s*b 20 32 22.4238071594 +41 18 18.942475904 11.32 10.61 9.185     O7Iafep 414 0
371 GSC 03161-01109 * 20 32 25.4843793648 +41 24 52.124339520 14.99 14.67 13.36     B2V 18 0
372 GSC 03161-01003 * 20 32 26.0775184320 +41 29 39.333966612 14.1 13.94 12.88     B1V 19 0
373 RLP 631 SB* 20 32 26.5055734776 +41 19 13.836357012 16.11 15.7 14.15     B2III+B1V 23 0
374 GSC 03161-01143 * 20 32 27.2345395008 +41 21 56.631173220   16.2 14.82     B2III 14 0
375 [CPR2002] A39 * 20 32 27.3402185280 +40 55 18.247769256           B2V 19 0
376 Schulte 15 SB* 20 32 27.6544131144 +41 26 22.073616744 12.39 12.30 11.10     O8V+B 55 0
377 Schulte 21 * 20 32 27.7375852104 +41 28 52.248099612 12.39 12.01 11.30 11.05   B0Ib 50 0
378 GSC 03157-01112 * 20 32 30.8858373048 +41 07 03.622397484   13.80 12.66 12.33   B2III 11 0
379 RLP 497 SB* 20 32 31.4083592352 +41 30 51.602419368   15.81 14.38     B2.5V 13 0
380 RLP 887 SB* 20 32 31.5336715464 +41 14 08.190216276   15.44 13.00 12.15   O7Ib(f) 43 0
381 2MASS J20323233+4122578 * 20 32 32.3197776144 +41 22 57.794705436   16.17 14.68     B4V 12 0
382 ALS 15186 * 20 32 32.5377656160 +41 26 46.815246960 16.82 16.48 14.91     B5:V 10 0
383 ALS 15143 * 20 32 32.6575447728 +41 27 04.595697396 14.71 14.57 13.47     B2V 15 0
384 [CPR2002] A38 * 20 32 34.8659821944 +40 56 17.342185776       12.65   O8V 18 0
385 [CPR2002] A33 * 20 32 34.9789086552 +40 52 38.950175100           B0.2IV 9 0
386 RLP 492 SB* 20 32 37.0177286328 +41 23 05.186805072 15.01 14.59 13.08     B2V+B-F 25 0
387 RLP 494 SB* 20 32 37.7595818832 +41 26 15.394216992 15.18 14.92 13.71     B1.5V+G-B 21 0
388 2MASS J20323835+4128567 * 20 32 38.3435626200 +41 28 56.719109964   15.68 14.43     B3V 16 0
389 Schulte 16 * 20 32 38.5694704320 +41 25 13.776724056 12.05 11.88 11.12     O7.5IV(n) 55 0
390 2MASS J20323886+4125208 * 20 32 38.8624280376 +41 25 20.817913620 14.29 14.26 13.05     B1V 18 0
391 BD+40 4223 * 20 32 39.0564906216 +41 00 07.769840832 13.02 12.0 10.5     B0Ia 22 0
392 KMJ 1718 * 20 32 39.5067307512 +40 52 47.457723828   15.2   13.1   B0.2IV 14 0
393 Schulte 12 s*b 20 32 40.9572199728 +41 14 29.279036940 16.1 14.45 11.702     B3-4Ia+ 453 0
394 RLP 644 SB* 20 32 42.8884391784 +41 20 16.477275012   15.26 13.87     B2V+B3V 21 0
395 BD+40 4221 * 20 32 45.4494231552 +41 25 37.543209348 12.06 11.93 10.68     O8.5V(n) 64 0
396 2MASS J20324645+4124223 * 20 32 46.4541809184 +41 24 22.390164468   16.24 14.91     B2.5V 13 0
397 2MASS J20324675+4126160 * 20 32 46.7554583832 +41 26 16.005248736   15.67 14.30     B1.5III 13 0
398 [MT91] 336 SB* 20 32 49.6802921976 +41 25 36.457180680   15.3 14.13     B2V+B-M 15 0
399 Schulte 17 SB* 20 32 50.0160775512 +41 23 44.684507976 13.15 12.43 11.33     O8V+O-G 49 0
400 2MASS J20325075+4115022 * 20 32 50.7471146328 +41 15 02.183388768 17.2 16.42 14.44     B1V 19 0
401 Schulte 37 * 20 32 54.4064649768 +41 15 21.849647796 17.76 16.97 14.81     B3V 18 0
402 2MASS J20325667+4123408 * 20 32 56.6636273064 +41 23 40.890896304 15.41 15.09 13.81     B1V 19 0
403 RLP 994 SB* 20 32 58.9203050976 +41 04 30.012303288 18.01 17.14 14.958   12.580 B0V+B2:V 30 0
404 GSC 03161-01218 * 20 32 59.1773346576 +41 24 25.491471588 13.47 13.26 11.91     O8V 36 0
405 Schulte 41 SB* 20 32 59.6317342392 +41 15 14.679727632 16.54 15.59 13.49     O9.7III(n) 37 0
406 RLP 666 SB* 20 33 02.9131259304 +41 17 43.161301572 15.67 15.06 12.94 12.18   O8V+G-O 40 0
407 [CPR2002] A20 * 20 33 02.9279638392 +40 47 25.319304852           O8II((f)) 21 0
408 Schulte 54 * 20 33 04.4144078688 +41 17 08.958424344 16.58 15.89 14.14     B1V 21 0
409 GSC 03161-01357 * 20 33 05.1877575840 +41 17 51.239205816 16.28 15.77 14.15     B1V 21 0
410 RLP 107 SB* 20 33 05.2620969456 +41 43 36.748888104 14.9 14.43 12.94     B1V+B 28 0
411 2MASS J20330661+4121131 * 20 33 06.6113074032 +41 21 13.128687648 16.58 15.97 14.21     B0.5V 20 0
412 Schulte 22 SB* 20 33 08.799 +41 13 18.21 14.33 13.59 11.55     O3If*+O6V((f)) 76 0
413 Schulte 50 SB* 20 33 09.60288 +41 13 00.5520 15.52 14.82 12.86 12.32   O9V+B9V-A0V 38 1
414 Schulte 51 * 20 33 10.1211775920 +41 13 10.168704480 16.29 15.56 13.62     O9.5Vn 27 1
415 2MASS J20331029+4123446 * 20 33 10.2850243200 +41 23 44.600309880 16.67 16.36 14.97     B4II-III 16 0
416 ALS 15161 * 20 33 10.34 +41 13 06.4 16.63 16 14.05     BOV 17 0
417 2MASS J20331046+4120574 * 20 33 10.4640116712 +41 20 57.371779536   15.83 14.06     B1V 21 0
418 RLP 678 EB* 20 33 10.5041613984 +41 22 22.405661292 14.97 14.54 12.958     B0V+(B3V+B6V) 44 0
419 Schulte 9 s*b 20 33 10.7362926720 +41 15 08.222370372 13.38 12.77 10.96     O5I+O4III 243 0
420 2MASS J20331106+4110321 * 20 33 11.0607015672 +41 10 32.027017008 17.82 16.97 14.78     B0.7:V: 22 0
421 2MASS J20331137+4117585 * 20 33 11.3739563424 +41 17 58.553509524 16.36 15.9 14.38     B2III: 20 0
422 2MASS J20331182+4124054 * 20 33 11.8143520176 +41 24 05.411799324   15.6 14.12     B5V 11 0
423 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 1023 0
424 RLP 853 SB* 20 33 13.2612575376 +41 13 28.656230412 16.63 15.76 13.61     O6.5V((f)) 39 0
425 2MASS J20331336+4126397 * 20 33 13.3579462512 +41 26 39.674315220   15.59 14.45     B5:V 16 0
426 GSC 03157-00872 * 20 33 13.6906302984 +41 13 05.770090668 15.27 14.73 12.92     O8V 36 0
427 Schulte 7 * 20 33 14.1095938872 +41 20 21.904113804 12.24 12.00 10.55     O3If* 153 0
428 ALS 15175 * 20 33 14.3372675616 +41 19 33.126329208 17.15 16.46 14.67     B5: 13 0
429 BD+40 4227B * 20 33 14.7561575856 +41 18 41.750437968 11.99 11.64 10.70     O6II(f) 83 0
430 BD+40 4227A SB* 20 33 15.0781182864 +41 18 50.479292556 10.42 10.27 8.98 8.03 6.83 O6Ib(fc)+O4.5:III:(fc) 253 0
431 GSC 03161-01087 * 20 33 15.3141210600 +41 29 56.765628888 15.49 15.02 13.43     B1V 20 0
432 2MASS J20331548+4127331 * 20 33 15.4898271312 +41 27 33.088374504 15.4 15.06 13.65     B1III 16 0
433 Schulte 23 * 20 33 15.7083033168 +41 20 17.174193540 14.21 14.07 12.61     O9V 41 0
434 Schulte 8D SB* 20 33 16.3364502072 +41 19 01.883101584 13.66 13.47 12.02     O8.5V+O9V+A2V-O 45 0
435 2MASS J20331740+4112387 * 20 33 17.4051695952 +41 12 38.725251624 17.11 16.34 14.43     B0.5V(n) 23 0
436 Schulte 24 * 20 33 17.4825784080 +41 17 09.350977524 13.85 13.47 11.88     O8V(n) 51 0
437 Schulte 8C * 20 33 17.9820761856 +41 18 31.194812988 12.2 11.43 10.19     O4.5III(fc) 89 0
438 RLP 680 SB* 20 33 18.0338622552 +41 21 36.661612428 13.9 12.72 11.82     O8V+B-O 39 0
439 Schulte 64 Be* 20 33 18.5309527200 +41 15 35.149489128 18.17 17.24 14.88     B1Ve-B3Ve 30 0
440 2MASS J20331859+4124493 * 20 33 18.5863677984 +41 24 49.347699948 16.75 16.29 14.76     B0.2V 17 0
441 [CPR2002] B15 LP* 20 33 18.6998367888 +40 59 37.862830464   15.69 13.54     B0.5IIIe 14 0
442 ALS 15184 * 20 33 19.1423803776 +41 17 44.986739532 17.04 16.53 14.85     B1V 16 0
443 2MASS J20331927+4124448 * 20 33 19.2666413880 +41 24 44.823537180 17.05 16.6 14.99     B5IV 15 0
444 ALS 15177 * 20 33 20.9918123376 +41 35 51.817116372 17.08 16.51 14.72     B0V 15 0
445 GSC 03161-01385 * 20 33 21.0165110136 +41 17 40.120725840 14.57 14.24 12.70     O9V 33 0
446 2MASS J20332245+4122169 * 20 33 22.4490987024 +41 22 16.932211788 16.1 15.68 14.26     B2V 21 0
447 Schulte 66 * 20 33 23.2325429760 +41 13 42.026795400 17.68 16.69 14.66     B1V 17 0
448 2MASS J20332334+4120171 * 20 33 23.3393716008 +41 20 17.192174676 15.67 15.24 13.74     B1V 22 0
449 RLP 841 ** 20 33 23.472072 +41 09 12.90312 14.97 14.23 11.83 10.98   O6IV((f)) 43 0
450 V* V2190 Cyg Em* 20 33 24.7399778520 +41 22 04.473811524     14.06     B2Ve: 20 0
451 Schulte 25 * 20 33 25.564 +41 33 27.00 13.52 13.15 11.58     O8Vz 34 0
452 GSC 03157-00327 * 20 33 26.7558420864 +41 10 59.437772256 15.48 14.87 13.00     O8Vz 38 0
453 Schulte 74 SB* 20 33 30.3173970432 +41 35 57.893152056 15.04 14.41 12.51     O8V+B2-O 32 0
454 Schulte 18 * 20 33 30.7901427336 +41 15 22.693080852 13.38 12.54 10.860     B1I 51 0
455 RLP 724 SB* 20 33 31.6396483032 +41 21 45.972551592 15.34 15.03 13.73     B2V+B-O 22 0
456 2MASS J20333334+4108364 * 20 33 33.3500051064 +41 08 36.400701228 17.78 16.92 14.76     B3V 14 0
457 GSC 03161-01254 * 20 33 33.939 +41 19 38.25 15.95 15.49 13.87     B3I 22 0
458 EM* AS 427 Em* 20 33 34.3352362680 +41 18 11.427242760 15.61 15.18 13.41     B2Ve 31 0
459 Schulte 70 SB* 20 33 36.9940107864 +41 16 11.325832716 14.46 14.06 12.40     O9.5IV(n) 39 0
460 2MASS J20333821+4053411 * 20 33 38.2173755304 +40 53 41.187436440           B0Ib 8 0
461 Schulte 19 s*b 20 33 39.1040288712 +41 19 25.992295824 12.91 12.77 10.944 10.38   B0Iab+B-O 73 0
462 EM* AS 428 SB* 20 33 39.7935831360 +41 22 52.188298860 13.17 12.21 11.38     B1V+B1: 38 0
463 GSC 03161-01086 * 20 33 40.8633896328 +41 30 18.953823168 14.61 14.32 12.77     O7V 28 0
464 GSC 03157-01100 * 20 33 42.3404625144 +41 11 45.547805292 16.22 15.71 13.89     O9.7:V: 23 0
465 2MASS J20334254+4114566 * 20 33 42.5364294456 +41 14 56.650040124 17.41 16.84 14.93     B1V: 19 0
466 BD+41 3804 s*b 20 33 46.1145474912 +41 33 00.991426968 11.82 11.41 9.88     O9.7Iab 104 0
467 2MASS J20334680+4108019 * 20 33 46.8086403840 +41 08 01.822162056 16.06 15.53 13.81     B1III 20 0
468 GSC 03161-01190 * 20 33 47.5736777208 +41 29 58.104710124   15.78 14.27     B5V: 8 0
469 2MASS J20334758+4109064 * 20 33 47.5864735272 +41 09 06.418488996   16.14 14.21     B2V 16 0
470 Schulte 26 * 20 33 47.8316875224 +41 20 41.377739100 13.77 13.33 11.78     B1III 34 0
471 2MASS J20334835+4113138 * 20 33 48.3548742888 +41 13 13.759164012 17.09 16.52 14.65     B2III 17 0
472 2MASS J20334879+4137400 * 20 33 48.7935041088 +41 37 40.082862576 16.7 16.47 14.94     B2Ve: 17 0
473 Schulte 71 SB* 20 33 48.8417931672 +41 19 40.566513900 15.12 14.73 13.34     B1V+B1.5V 23 0
474 GSC 03157-00193 * 20 33 59.2509364128 +41 05 38.094030708 15.76 15.3 13.61     B0V 24 0
475 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) 58 0
476 GSC 03157-01008 * 20 34 04.3480515480 +41 08 07.924191792 16.06 15.46 13.66     B1III 20 0
477 RLP 814 SB* 20 34 06.0155486352 +41 08 09.132034596 16.37 15.64 13.415     B0-B1+B1-B2 35 0
478 BD+41 3807 SB* 20 34 08.5147948176 +41 36 59.408503092 11.74 11.52 10.03     O5.5Ifc 137 0
479 Schulte 75 * 20 34 09.5115755136 +41 34 13.732080096 14.51 14.25 12.79     O9.5IV 29 0
480 Schulte 29 SB* 20 34 13.5108732672 +41 35 02.859602280 13.59 13.41 11.91     O7V+B-O 47 0
481 [CPR2002] A28 * 20 34 16.0461896016 +41 02 19.568894712   16.05 13.89 13.10   O9.5V 15 0
482 Schulte 73 SB* 20 34 21.9323730840 +41 17 01.655524788   14.13 12.40     O8Vz+O8Vz 34 0
483 2MASS J20342462+4126250 * 20 34 24.6201342744 +41 26 25.138048272 16.74 16.32 14.65     B1V 19 0
484 RLP 335 SB* 20 34 29.5987121592 +41 31 45.516383076 14.72 13.30 11.64     O7V+O9V 47 0
485 Schulte 30 Em* 20 34 43.5995109360 +41 29 04.799547924 14.13 13.83 12.240     B1.5III 36 0
486 [CPR2002] A24 * 20 34 44.1106226280 +40 51 58.699418040           O6.5III(f) 14 0
487 [CPR2002] A27 * 20 34 44.7167065392 +40 51 46.731492072   13.61 11.08     B0Ia 17 0
488 V* V2550 Cyg SB* 20 34 58.7802708120 +41 36 17.359091316   13.591 11.470 10.671   B0Ib+B0III 31 0
489 MR 112 WR* 20 35 47.0859278605 +41 22 44.703520146     12.64 12.16   WC6+O8I-IIf 162 1
490 NAME I Lac As* 22 41 +38.5           ~ 158 0
491 NAME III CEP ASSOC As* 23 04.2 +63 24           ~ 332 0
492 NAME Vela-Puppis Region reg ~ ~           ~ 23 0

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