2003ApJ...589..509E

Query : 2003ApJ...589..509E

2003ApJ...589..509E - Astrophys. J., 589, 509-525 (2003/May-3)

Chandra observations of associates of η Carinae. I. Luminosities.

EVANS N.R., SEWARD F.D., KRAUSS M.I., ISOBE T., NICHOLS J., SCHLEGEL E.M. and WOLK S.J.

Abstract (from CDS):

The region around the η Carinae Nebula has three OB associations, which contain a Wolf-Rayet star and several massive O3 stars. An early Chandra ACIS-I image was centered on η Car and includes Trumpler 16 and part of Trumpler 14. The Chandra image confirms the well-known result that O and very early B stars are X-ray sources with LX≃10–7Lbolover an X-ray luminosity range of about 100. Two new, anomalously strong X-ray sources have been found among the hot star population: Tr 16-244, a heavily reddened O3 I star, and Tr 16-22, a heavily reddened O8.5 V star. Two stars have an unusually large LX/Lbol: HD 93162, a Wolf-Rayet star (and possible binary), and Tr 16-22, a possible colliding-wind binary. In addition, a population of sources associated with cool stars is detected. In the color-magnitude diagram, these X-ray sources sit above the sequence of field stars in the Carina arm. The OB stars are on average more X-ray-luminous than the cool star X-ray sources. X-ray sources among A stars have X-ray luminosities similar to those of cooler stars and may be due to cooler companions. Upper limits are presented for B stars that are not detected in X-rays. These upper limits are also the upper limits for any cool companions that the hot stars may have. Hardness ratios are presented for the most luminous sources in bands 0.5-0.9, 0.9-1.5, and 1.5-2.04 keV. The available information on the binary nature of the hot stars is discussed, but binarity does not correlate with X-ray strength in a simple way.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: Individual: Name: Trumpler 14 - Galaxy: Open Clusters and Associations: Individual: Name: Trumpler 16 - X-Rays: Stars

VizieR on-line data: <Available at CDS (J/ApJ/589/509): tab12.dat tab34.dat table5.dat tab68.dat table7.dat>

Nomenclature: Tables 1, 2: [ESK2003] NNN N=154 among (Nos 1-167). Table 7: [ESK2003] NotDetected NN N=23 among (Nos 1-32).

Simbad objects: 196

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Number of rows : 196
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 Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
2 NAME Car Arm PoG 10 00 -60.0           ~ 471 1
3 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
4 Cl Trumpler 14 OpC 10 43 56.0 -59 33 07   5.70 5.5     ~ 547 0
5 HD 93129 ** 10 43 57.462360 -59 32 51.27000 6.26 7.840 7.884 7.839   O2If*+O3.5V((f)) 208 1
6 Cl Trumpler 14 6 Y*? 10 43 57.5626033368 -59 33 38.648795904 10.616 11.329 11.121   10.663 B1V 40 0
7 HD 93129B Y*? 10 43 57.6453994104 -59 32 53.765064780   10.40 8.84     O3.5V((f)) 78 0
8 Cl Trumpler 14 35 * 10 43 59.92992 -59 33 09.1836       11.253 11.878 ~ 10 0
9 DETWC Tr 14 J104400.8-593439 SB* 10 44 00.8046189624 -59 34 39.103059468   18.150 16.631 15.76 14.75 Ae 11 0
10 CPD-58 2625 * 10 44 00.9232424712 -59 35 45.798105192 10.425 11.050 10.670   9.958 O9.2V 49 1
11 Cl* Trumpler 14 Y 442 * 10 44 02.7593822160 -59 39 46.097849844 15.527 14.656 13.439   12.054 OB? 12 0
12 [ESK2003] 162 * 10 44 02.94 -59 31 40.3           ~ 1 0
13 Cl* Trumpler 14 VBF 204 Y*O 10 44 04.5391892352 -59 32 38.114448828 17.787 16.889 15.559 15.22 13.87 ~ 8 0
14 Cl Trumpler 16 124 Y*? 10 44 05.8192228848 -59 35 11.699371680 10.711 11.349 11.092   10.598 B1V 36 1
15 Cl* Trumpler 14 Y 487 Y*O 10 44 06.8258449272 -59 36 11.504819412 13.340 13.611 13.185   12.446 B2V 18 0
16 HD 93160 SB* 10 44 07.2603347496 -59 34 30.623536272 7.27 7.99 7.60 8.46   O7III((f)) 121 0
17 XMMU J104409.1-593721 * 10 44 09.2751746281 -59 37 18.512124210   19.351 17.934   15.721 ~ 4 0
18 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
19 2MASS J10441226-5934246 * 10 44 12.2660550312 -59 34 24.692563164   18.595 17.343   15.505 ~ 7 0
20 [ESK2003] 159 * 10 44 12.81 -59 33 41.8           ~ 1 0
21 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
22 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
23 [ESK2003] 167 * 10 44 16.45 -59 33 09.0           ~ 1 0
24 2MASS J10441711-5941568 Y*O 10 44 17.1009015792 -59 41 56.549201604   19.434 17.488   15.385 ~ 10 0
25 2MASS J10442016-5942296 * 10 44 20.1538402200 -59 42 29.483306712   18.801 17.452   15.603 ~ 8 0
26 CPD-59 2571 Y*O 10 44 22.5135812280 -59 39 25.518245796 10.648 11.340 11.196   10.885 B3V 36 0
27 [ARV2008] 89 * 10 44 22.8000088176 -59 44 32.216762328   19.294 17.667   15.613 ~ 4 0
28 2MASS J10442362-5941151 Y*O 10 44 23.6716461814 -59 41 14.775570562   18.288 16.942   15.214 ~ 11 0
29 Cl* Trumpler 14 Y 306 * 10 44 24.45 -59 45 53.5           Ae 8 0
30 2MASS J10442482-5939596 * 10 44 24.8153493912 -59 39 59.350584924   20.597 18.350   16.244 ~ 10 0
31 2MASS J10442538-5941114 * 10 44 25.3894884624 -59 41 11.430408408     18.805   16.238 ~ 8 0
32 Cl Trumpler 16 122 * 10 44 25.4911401096 -59 33 09.430138512 10.954 11.560 11.342   10.937 B1.5V 28 1
33 2MASS J10442628-5942412 Y*O 10 44 26.2916325960 -59 42 41.140854216   18.673 17.427   15.652 ~ 12 0
34 2MASS J10442630-5937403 Y*O 10 44 26.3100141504 -59 37 39.982794456   20.642 18.986   16.947 ~ 6 0
35 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
36 2MASS J10442704-5944389 Y*O 10 44 27.0484306512 -59 44 38.897085012   17.656 16.380   14.787 ~ 8 0
37 [S87b] IRS 69 * 10 44 27.8159133360 -59 45 21.473915004 11.738 11.084 10.128 9.72 9.16 ~ 12 0
38 2MASS J10442847-5941450 Y*O 10 44 28.4704099104 -59 41 44.949014916   18.345 17.010   15.372 ~ 13 0
39 [ESK2003] 98 * 10 44 28.4997204984 -59 39 19.799712144           ~ 1 0
40 CXOGNC J104428.60-594051.5 * 10 44 28.58 -59 40 52.8     18.865   16.793 ~ 3 0
41 DETWC Tr 16 J104429.2-594143 Y*O 10 44 29.0814214248 -59 41 43.094938200 16.667 16.359 15.269   13.832 B1V 13 0
42 Cl* Trumpler 14 MJ 328 * 10 44 29.1143321088 -59 48 20.897456436 13.362 13.542 12.660   11.215 B 9 0
43 CPD-58 2648 * 10 44 29.4222601584 -59 38 37.759085232 11.130 11.795 11.496   10.954 B1III 28 0
44 2MASS J10442976-5943327 * 10 44 29.7650833464 -59 43 32.594181888   19.010 17.495   15.650 ~ 12 0
45 Cl Trumpler 16 35 * 10 44 29.8551483960 -59 32 18.420466380 12.002 10.949 9.847   9.15 ~ 13 0
46 CPD-58 2649 SB* 10 44 30.364680 -59 37 26.48100 9.500 10.151 9.842 9.965 9.317 O7V+O8V 44 0
47 CPD-59 2581 * 10 44 30.4895570400 -59 41 40.465347792 10.361 11.077 10.861   10.465 B1V 31 0
48 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
49 2MASS J10443280-5943064 Y*O 10 44 32.8125066864 -59 43 06.383765568 17.339 16.991 15.953   14.600 ~ 7 0
50 CPD-59 2583 Y*O 10 44 32.8936828008 -59 40 25.916315016 10.369 11.057 10.882   10.522 B1V 38 0
51 [ESK2003] 154 * 10 44 33.2271639480 -59 32 14.835417252   18.501 17.219     ~ 1 0
52 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
53 2MASS J10443396-5937340 Y*O 10 44 33.9597974112 -59 37 33.774838356   19.426 17.790   15.794 ~ 12 0
54 2MASS J10443492-5944059 * 10 44 34.9351264992 -59 44 05.786126520     17.425   15.586 ~ 9 0
55 2MASS J10443552-5943509 Y*O 10 44 35.5364855904 -59 43 50.905249068   18.997 17.402   15.534 ~ 14 0
56 2MASS J10443633-5944111 Y*O 10 44 36.3302056687 -59 44 10.989857624   18.693 17.345   15.605 ~ 12 0
57 [ESK2003] 153 * 10 44 36.47 -59 33 40.2     19.105     ~ 1 0
58 2MASS J10443668-5944239 Y*O 10 44 36.6622905360 -59 44 23.908494264     18.285     ~ 3 0
59 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
60 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
61 2MASS J10443807-5944350 Y*O 10 44 38.0826677777 -59 44 34.892340018   17.969 16.637   14.916 ~ 13 0
62 DETWC Tr 16 J104438.1-594326 TT* 10 44 38.0850857328 -59 43 26.046804432 17.007 16.591 15.487   14.055 ~ 7 0
63 2MASS J10443808-5941313 * 10 44 38.0933509704 -59 41 31.323327864   18.748 17.287   15.382 ~ 13 0
64 CPD-59 2595 SB* 10 44 38.6631398184 -59 48 14.152220316 9.644 10.222 10.161   9.995 B2V 37 0
65 2MASS J10443989-5943582 * 10 44 39.9020626704 -59 43 58.142491644   17.317 16.166   14.668 ~ 8 0
66 CPD-59 2598 * 10 44 40.3145381832 -59 41 48.828140520 10.455 11.045 10.753 10.72 10.271 B0V 40 0
67 2MASS J10444108-5944228 * 10 44 41.0964309456 -59 44 22.934220000   19.642 18.344   16.361 ~ 10 0
68 2MASS J10444114-5938194 * 10 44 41.1407256576 -59 38 19.277453832   17.940 16.599   14.786 ~ 9 0
69 2MASS J10444130-5944087 * 10 44 41.31 -59 44 08.8   18.219 17.043   15.365 ~ 9 0
70 Cl Trumpler 16 229 * 10 44 41.7107229528 -59 42 54.300231432 14.332 14.290 13.931 13.79 13.23 Ae 13 0
71 2MASS J10444176-5940478 Y*O 10 44 41.7703337856 -59 40 47.648909208 18.056 17.495 16.205   14.464 ~ 13 0
72 CD-59 3300 * 10 44 41.7962304024 -59 46 56.405228916 8.07 8.79 8.57 9.33   O6V((f)) 150 0
73 2MASS J10444197-5942160 * 10 44 41.9779012669 -59 42 15.883563867   18.126 16.947   15.362 ~ 13 0
74 [ARV2008] 137 * 10 44 42.6526219920 -59 41 23.549803764     18.059     ~ 4 0
75 2MASS J10444395-5939557 * 10 44 43.9444810440 -59 39 55.577779920   19.087 17.939   16.045 ~ 12 0
76 Cl Trumpler 16 50 * 10 44 44.3144105400 -59 42 33.125601744 12.894 13.222 12.887   12.306 B5: 11 0
77 HD 93250 ** 10 44 45.0275085072 -59 33 54.680974848 6.73 8.12 7.50 8.38   O4III(fc) 334 0
78 DETWC Tr 16 J104445.3-593920 Y*O 10 44 45.2724285816 -59 39 19.104015204   16.927 15.777   14.068 B(e) 16 0
79 2MASS J10444616-5942293 * 10 44 46.17 -59 42 29.3     20.269     ~ 2 0
80 2MASS J10444621-5944493 Y*O 10 44 46.2076160376 -59 44 49.315604496   18.783 17.558   15.788 ~ 11 0
81 2MASS J10444639-5936034 Y*O 10 44 46.3962449328 -59 36 03.238960104   20.211 18.648   16.597 ~ 3 0
82 Cl* Trumpler 14 Y 66 Y*O 10 44 46.4936209080 -59 34 13.368017208 13.582 13.657 13.216   12.459 B5III-V 18 0
83 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
84 CXOGNC J104447.28-594116.4 * 10 44 47.31 -59 41 16.6   16.33 15.48     ~ 3 0
85 2MASS J10444742-5935081 * 10 44 47.4248563728 -59 35 08.101164552   18.838 17.519   15.087 ~ 9 0
86 CXOGNC J104448.37-594113.9 * 10 44 48.3745576656 -59 41 13.845070320   17.566 16.058   13.940 ~ 13 0
87 [ESK2003] 165 * 10 44 49.38 -59 47 30.2   20.661 18.863     ~ 1 0
88 Cl* Trumpler 14 Y 175 * 10 44 49.8410322192 -59 42 38.764866996 16.776 16.567 15.852 15.59 14.82 ~ 4 0
89 2MASS J10444998-5934295 * 10 44 49.9826768064 -59 34 29.530850124   18.072 16.751   15.028 ~ 7 0
90 2MASS J10445008-5944428 Y*O 10 44 50.0835052776 -59 44 42.673192728   19.858 18.527   16.697 ~ 4 0
91 [ESK2003] 18 Y*O 10 44 50.3548116072 -59 40 17.340838968     17.136   15.096 ~ 10 0
92 [ESK2003] 79 * 10 44 51.1178175936 -59 39 38.183197500     20.681     ~ 2 0
93 2MASS J10445134-5944068 Y*O 10 44 51.3407208504 -59 44 06.763734456     19.439     ~ 3 0
94 [ESK2003] 124 * 10 44 51.7543640568 -59 43 05.408954652   20.682 19.472     ~ 1 0
95 PCYC 702 Y*O 10 44 52.1637903296 -59 45 15.182925662   19.637 18.148   15.903 ~ 11 0
96 DETWC Tr 16 J104452.2-594155 TT* 10 44 52.2350829240 -59 41 55.083042240 17.403 16.933 15.767   14.244 ~ 12 0
97 2MASS J10445275-5943190 EB* 10 44 52.7472975352 -59 43 18.990017416   18.959 17.513   15.600 ~ 11 0
98 [ESK2003] 122 * 10 44 52.8542439120 -59 46 34.397021856     19.483     ~ 2 0
99 CXOGNC J104453.22-594136.0 * 10 44 53.2361804334 -59 41 36.017059658   19.669 18.681     ~ 4 0
100 2MASS J10445371-5943244 * 10 44 53.7087617112 -59 43 24.347138520 17.865 17.267 16.127   14.425 ~ 8 0
101 CPD-58 2667 * 10 44 53.7609421824 -59 37 48.198394740 11.430 11.851 11.425   10.704 B2III 23 0
102 CPD-59 2606 * 10 44 54.0636121968 -59 41 29.400907740 10.496 11.168 10.905   10.490 B1V 37 0
103 2MASS J10445449-5942432 Y*O 10 44 54.4915208040 -59 42 43.146041652   19.335 17.963   15.914 ~ 12 0
104 2MASS J10445482-5943516 Y*O 10 44 54.8221168080 -59 43 51.538086192   18.267 16.953   15.227 ~ 11 0
105 2MASS J10445595-5944480 Y*? 10 44 55.9607771928 -59 44 47.968047276   19.471 17.749   15.748 ~ 9 0
106 Cl Trumpler 16 31 Y*? 10 44 56.2713895896 -59 33 03.505993308 9.999 10.705 10.472   10.028 B2V 33 0
107 Cl Trumpler 16 216 TT* 10 44 57.0655234008 -59 38 26.595220128 15.284 14.710 13.702   12.508 ~ 13 0
108 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
109 2MASS J10445799-5947095 Y*O 10 44 58.0089262968 -59 47 09.301051932   18.218 16.847   14.941 ~ 15 0
110 [ESK2003] 72 * 10 44 58.14 -59 42 31.4   19.101 18.029   16.359 ~ 6 0
111 2MASS J10445928-5944594 * 10 44 59.2858161072 -59 44 59.429480064   19.727 18.276   16.144 ~ 9 0
112 Cl* Trumpler 14 Y 230 * 10 45 01.0257539616 -59 45 15.511164660 15.965 15.450 14.536   13.471 ~ 15 0
113 DETWC Tr 16 J104501.2-593918 * 10 45 01.0896795008 -59 39 17.302869304   18.763 17.372   15.584 ~ 13 0
114 [ESK2003] 69 * 10 45 01.0930267920 -59 38 53.294355420   19.089 18.364     ~ 2 0
115 Cl Trumpler 16 OpC 10 45 01.9 -59 42 00           ~ 510 0
116 CXOGNC J104502.15-594134.7 * 10 45 02.18 -59 41 34.4   18.630 17.314     ~ 3 0
117 CPD-59 2619 V* 10 45 02.1852042576 -59 42 01.145719332 10.764 11.428 11.173   10.714 B1V 34 0
118 NGC 3372 HII 10 45 02.23 -59 41 59.8           ~ 1071 2
119 CXOGNC J104502.90-594225.8 * 10 45 02.9136675432 -59 42 25.824415356   19.763 18.069   15.911 ~ 9 0
120 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
121 [HSB2012] 3352 * 10 45 03.27 -59 42 18.1     18.703   16.484 ~ 3 0
122 * 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
123 Cl* Trumpler 14 Y 210 TT* 10 45 03.8428560624 -59 43 21.170577756 14.083 14.040 13.451 13.26 12.780 ~ 10 0
124 CXOGNC J104503.91-593819.8 * 10 45 03.9107122999 -59 38 19.960802071   17.592 16.419   14.647 ~ 11 0
125 CXOGNC J104504.23-594010.9 * 10 45 04.2325742163 -59 40 10.702997663     16.671   15.055 ~ 10 0
126 2MASS J10450506-5937335 Y*O 10 45 05.0674318572 -59 37 33.324516830 17.242 16.897 15.765   14.299 ~ 14 0
127 DETWC Tr 16 J104505.7-594343 * 10 45 05.7011278896 -59 43 43.737276972 17.208 16.494 15.176   13.500 ~ 15 0
128 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
129 CPD-59 2624 SB* 10 45 05.8358470968 -59 43 07.684616964 9.324 10.018 9.740   9.221 O9.7IV 64 0
130 CPD-59 2625 * 10 45 05.8757742144 -59 44 18.801774780 11.092 11.698 11.506   11.115 B2V 33 0
131 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
132 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
133 [ESK2003] 57 * 10 45 06.53 -59 40 15.5           ~ 2 0
134 CPD-59 2627 * 10 45 06.7193609928 -59 41 56.560947828 9.606 10.343 10.116   9.685 O9.5V 59 0
135 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
136 CXOGNC J104507.32-594446.8 * 10 45 07.31 -59 44 47.1   20.273 18.963   16.948 ~ 3 0
137 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
138 CPD-59 2629 * 10 45 08.2352224872 -59 46 06.976659612 10.780 11.336 10.848   9.971 O8.5Vp 78 0
139 Cl Trumpler 16 52 * 10 45 08.3562236856 -59 38 47.406163920 12.623 13.006 12.621   11.941 B 18 0
140 CXOGNC J104508.59-594017.0 * 10 45 08.5939166009 -59 40 16.925846550 17.399 16.770 15.622   14.180 ~ 11 0
141 Cl Trumpler 16 37 * 10 45 08.9351375664 -59 40 40.501583076 12.792 13.132 12.898 13.14 12.31 B5: 17 0
142 2MASS J10450972-5942455 * 10 45 09.7359756819 -59 42 45.552845572   17.869 16.671   14.918 ~ 12 0
143 Cl Trumpler 16 74 * 10 45 09.7364679408 -59 42 57.144017088 11.270 11.889 11.613   11.092 B1V 32 0
144 CXOGNC J104509.92-594018.4 * 10 45 09.9285391255 -59 40 18.465309458   18.244 16.890     ~ 4 0
145 CXOGNC J104510.34-594028.8 * 10 45 10.3696285609 -59 40 28.751598211   18.221 16.879   15.315 ~ 13 0
146 2MASS J10451043-5944094 * 10 45 10.44 -59 44 09.4   20.703 19.380     ~ 2 0
147 2MASS J10451065-5942543 * 10 45 10.6465534776 -59 42 54.238422888   18.134 17.272   15.548 ~ 4 0
148 [ESK2003] 47 * 10 45 11.02 -59 42 39.3   20.192 18.379     ~ 2 0
149 2MASS J10451108-5944571 Y*O 10 45 11.0712310920 -59 44 57.113941632   18.323 17.121   15.364 ~ 11 0
150 Cl* Trumpler 14 Y 82 TT* 10 45 11.0932917792 -59 32 58.462687284 14.569 14.286 13.551   12.729 ~ 15 0
151 CPD-59 2632 SB* 10 45 11.1814992264 -59 41 11.202110340 10.207 10.943 10.797   10.494 B1V 44 0
152 Cl Trumpler 16 71 * 10 45 11.6615457528 -59 41 16.146490020 13.867 13.987 13.638 13.93 12.83 A0 14 0
153 [ESK2003] 6 * 10 45 11.79 -59 41 33.8   21.187 19.178     ~ 2 0
154 HD 93343 * 10 45 12.2210285688 -59 45 00.441008892 9.01 9.76 9.558 9.17 8.76 O8Vz 93 1
155 Cl Trumpler 16 76 * 10 45 12.6489217848 -59 42 48.727620612 11.086 11.573 11.123   10.373 B2:V 24 0
156 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
157 CPD-59 2636 ** 10 45 12.8686809888 -59 44 19.205057544 8.913 9.559 9.218   8.535 O8V+O8V 79 1
158 XMMU J104513.2-593524 * 10 45 13.25 -59 35 24.1   19.453 17.813     ~ 3 0
159 2MASS J10451355-5944043 Y*O 10 45 13.5473871316 -59 44 04.173516383   19.143 17.579   15.520 ~ 13 0
160 2MASS J10451452-5942470 * 10 45 14.5235458488 -59 42 46.985521320   19.407 17.847   15.688 ~ 10 0
161 CXOGNC J104514.81-594007.0 * 10 45 14.8137835148 -59 40 07.176495029     18.416   16.552 ~ 9 0
162 Cl* Trumpler 14 Y 203 * 10 45 14.9838190800 -59 43 23.213018712 11.475 11.998 11.625   10.944 ~ 13 0
163 [ESK2003] 42 * 10 45 15.0255765048 -59 40 21.633432384   20.123 18.818   16.792 ~ 3 0
164 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
165 [ESK2003] 41 * 10 45 16.24 -59 43 16.7           ~ 2 0
166 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
167 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
168 CXOGNC J104516.52-594214.9 * 10 45 16.5423500129 -59 42 14.787596526   19.771 18.207   16.098 ~ 10 0
169 Cl* Trumpler 14 Y 202 * 10 45 16.7023205136 -59 43 14.012407308 11.593 12.116 11.754   11.080 ~ 11 0
170 Cl* Trumpler 14 Y 254 * 10 45 16.7614866168 -59 46 28.773927516 14.861 14.830 14.186   13.446 ~ 10 0
171 2MASS J10451980-5932191 * 10 45 19.7977772232 -59 32 19.075568748 17.738 17.186 16.205   15.057 ~ 6 0
172 CD-59 3312 * 10 45 20.5691164488 -59 42 51.240399480 9.420 10.203 10.032 10.12 9.632 O9V 55 0
173 CXOGNC J104520.65-594132.2 * 10 45 20.61 -59 41 32.6   20.023 18.606   16.660 ~ 3 0
174 2MASS J10452096-5945488 * 10 45 20.9633316960 -59 45 48.794190228   18.941 17.367   15.029 ~ 9 0
175 2MASS J10452200-5940527 * 10 45 21.9928326576 -59 40 52.631904864   18.942 17.065   15.015 ~ 12 0
176 CPD-58 2677 Y*? 10 45 22.1229273096 -59 37 38.370792792 11.276 11.874 11.574   11.059 B2III 26 0
177 Cl* Trumpler 14 Y 192 * 10 45 22.5810814296 -59 42 36.716740488 11.515 12.079 11.790   11.270 ~ 13 0
178 [ESK2003] 149 * 10 45 23.52 -59 45 45.5   22.273 20.192     ~ 1 0
179 2MASS J10452448-5942207 Y*O 10 45 24.4732110384 -59 42 20.671451352   19.981 18.658     ~ 4 0
180 2MASS J10452557-5943508 Y*O 10 45 25.5737075832 -59 43 50.812626252   18.032 16.669   14.807 ~ 15 0
181 2MASS J10452648-5940305 * 10 45 26.49 -59 40 30.6   19.516 18.310     ~ 1 0
182 2MASS J10452795-5941389 Y*O 10 45 27.9491499168 -59 41 38.897744640 17.607 17.260 15.999   14.345 ~ 15 0
183 DETWC Tr 16 J104528.3-594320 TT* 10 45 28.2831262392 -59 43 20.581125780 16.446 16.336 15.635   14.729 ~ 5 0
184 Cl* Trumpler 14 Y 152 Y*O 10 45 28.4636017752 -59 41 55.431476232 14.672 14.826 14.370   13.568 Ae 12 0
185 DETWC Tr 16 J104528.7-594247 * 10 45 28.6721607299 -59 42 47.506143361 17.801 17.685 16.896   15.564 ~ 8 0
186 2MASS J10452887-5943478 * 10 45 28.871 -59 43 47.87   19.783 18.183   15.904 ~ 9 0
187 [S87b] IRS 41 * 10 45 36.6094327920 -59 44 10.877966448 14.463 14.694 13.620 13.29 11.57 O9V 17 0
188 [S87b] IRS 42 * 10 45 36.7440193536 -59 47 01.899507876 16.925 16.729 15.084   12.197 O 16 0
189 [ESK2003] 106 * 10 45 37.19 -59 48 06.6           ~ 2 0
190 [S87b] IRS 44 Ae* 10 45 38.3412548016 -59 42 07.778909988 14.025 14.148 13.547 13.50 12.26 ~ 21 0
191 2MASS J10454160-5938201 * 10 45 41.5979126400 -59 38 20.138910612 15.672 15.334 14.461   13.463 ~ 18 0
192 2MASS J10454366-5941481 * 10 45 43.6636042152 -59 41 48.160458168   19.7 17.989   15.373 ~ 12 0
193 [ESK2003] 104 * 10 45 47.17 -59 47 50.9           ~ 1 0
194 HD 165688 WR* 18 07 56.9609461704 -19 23 56.863324824 10.46 10.31 9.87 9.85   WN5-6b 162 0
195 HD 193793 WR* 20 20 27.9757908696 +43 51 16.286840244 6.90 7.25 6.85 4.58   WC7pd+O5.5fc 754 0
196 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 1023 0

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