2005ApJS..161..118M

Query : 2005ApJS..161..118M

2005ApJS..161..118M - Astrophys. J., Suppl. Ser., 161, 118-146 (2005/November-0)

The evolutionary status of Be stars: results from a photometric study of southern open clusters.

McSWAIN M.V. and GIES D.R.

Abstract (from CDS):

Be stars are a class of rapidly rotating B stars with circumstellar disks that cause Balmer and other line emission. There are three possible reasons for the rapid rotation of Be stars: they may have been born as rapid rotators, spun up by binary mass transfer, or spun up during the main-sequence (MS) evolution of B stars. To test the various formation scenarios, we have conducted a photometric survey of 55 open clusters in the southern sky. Of these, five clusters are probably not physically associated groups and our results for two other clusters are not reliable, but we identify 52 definite Be stars and an additional 129 Be candidates in the remaining clusters. We use our results to examine the age and evolutionary dependence of the Be phenomenon. We find an overall increase in the fraction of Be stars with age until 100 Myr, and Be stars are most common among the brightest, most massive B-type stars above the zero-age main sequence (ZAMS). We show that a spin-up phase at the terminal-age main sequence (TAMS) cannot produce the observed distribution of Be stars, but up to 73% of the Be stars detected may have been spun-up by binary mass transfer. Most of the remaining Be stars were likely rapid rotators at birth. Previous studies have suggested that low metallicity and high cluster density may also favor Be star formation. Our results indicate a possible increase in the fraction of Be stars with increasing cluster distance from the Galactic center (in environments of decreasing metallicity). However, the trend is not significant and could be ruled out due to the intrinsic scatter in our data. We also find no relationship between the fraction of Be stars and cluster density.

Abstract Copyright: ∼

Journal keyword(s): open clusters and associations: individual (Basel 1) - open clusters and associations: individual (Bochum 13) - open clusters and associations: individual (Collinder 272) - open clusters and associations: individual (Haffner 16) - open clusters and associations: individual (Hogg 16{Hogg 16}) - open clusters and associations: individual (Hogg 22) - open clusters and associations: individual (IC 2395) - open clusters and associations: individual (IC 2581) - open clusters and associations: individual (IC 2944) - open clusters and associations: individual (NGC 2343) - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 2362 - open clusters and associations: individual (NGC 2367) - open clusters and associations: individual (NGC 2383) - open clusters and associations: individual (NGC 2384) - open clusters and associations: individual (NGC 2414) - open clusters and associations: individual (NGC 2421) - open clusters and associations: individual (NGC 2439) - open clusters and associations: individual (NGC 2483) - open clusters and associations: individual (NGC 2489) - open clusters and associations: individual (NGC 2571) - open clusters and associations: individual (NGC 2659) - open clusters and associations: individual (NGC 3293) - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 3766 - open clusters and associations: individual (NGC 4103) - open clusters and associations: individual (NGC 4755) - open clusters and associations: individual (NGC 5281) - open clusters and associations: individual (NGC 5593) - open clusters and associations: individual (NGC 6178) - open clusters and associations: individual (NGC 6193) - open clusters and associations: individual (NGC 6200) - open clusters and associations: individual (NGC 6204) - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 6231 - open clusters and associations: individual (NGC 6249) - open clusters and associations: individual (NGC 6250) - open clusters and associations: individual (NGC 6268) - open clusters and associations: individual (NGC 6322) - open clusters and associations: individual (NGC 6425) - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 6530 - open clusters and associations: individual (NGC 6531) - open clusters and associations: individual (NGC 6604) - open clusters and associations: individual (NGC 6613) - open clusters and associations: individual (NGC 6664) - open clusters and associations: individual (Ruprecht 79) - open clusters and associations: individual (Ruprecht 119) - open clusters and associations: individual (Ruprecht 127) - open clusters and associations: individual (Ruprecht 140) - open clusters and associations: individual (Stock 13) - open clusters and associations: individual (Stock 14) - open clusters and associations: individual (Trumpler 7) - open clusters and associations: individual (Trumpler 18) - open clusters and associations: individual (Trumpler 20) - open clusters and associations: individual (Trumpler 27) - open clusters and associations: individual (Trumpler 28) - open clusters and associations: individual (Trumpler 34) - open clusters and associations: individual (vdB-Hagen 217) - Stars: Emission-Line, Be

VizieR on-line data: <Available at CDS (J/ApJS/161/118): table1.dat table2.dat refs.dat table4.dat>

Nomenclature: Table 1: Cl* Basel 1 MG NNN (Nos 1-831), Cl* Bochum 13 MG NN (Nos 1-47), Cl* Collinder 272 MG NNN (Nos 1-804), Cl* Haffner 16 MG NNNN (Nos 1-1188), Cl* Hogg NN MG NNN N=352+26, Cl* IC NNNN MG NNN N=180+374+116, Cl* NGC NNNN MG NNN N=171+134+177+565+211+125+586+208+356+486+165+252+131+209+315+262+110+302+101+8 5+321+162+269+303+56+194+85+352+75+112+73+98+274, Cl* Ruprecht NNN MG NNN N=691+754+155+712, Cl* Trumpler NN MG NNNN N=122+318+1183+58+225+623, Cl* VDBH 217 MG NNN (Nos 1-267).

Simbad objects: 322

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Number of rows : 322
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 NGC 2343 OpC 07 08 00.0 -10 37 17   7.05 6.7     ~ 91 0
2 NGC 2362 OpC 07 18 41.9 -24 57 08           ~ 428 0
3 NGC 2367 OpC 07 20 06.7 -21 52 39           ~ 76 0
4 NGC 2383 OpC 07 24 41.7 -20 56 54   8.88 8.4     ~ 75 0
5 NGC 2384 OpC 07 25 10 -21 01.3   7.47 7.4     ~ 80 0
6 Cl Trumpler 7 OpC 07 27 22.3 -23 56 40           ~ 59 0
7 NGC 2414 OpC 07 33 10.7 -15 26 56   8.33 7.9     ~ 87 0
8 NGC 2421 OpC 07 36 12.1 -20 37 33   8.69 8.3     ~ 64 0
9 NGC 2439 OpC 07 40 46.5 -31 41 36   7.31 6.9     ~ 150 0
10 Cl Haffner 16 OpC 07 50 20.5 -25 27 17   10.14 10.0     ~ 56 0
11 NGC 2483 OpC 07 55.6 -27 54   7.89 7.6     ~ 41 0
12 NGC 2489 OpC 07 56 15.7 -30 03 35   8.58 7.9     ~ 83 0
13 NGC 2571 OpC 08 18 54.3 -29 45 45   7.16 7.0     ~ 85 0
14 IC 2395 OpC 08 42 09.0 -48 05 14     4.6     ~ 120 1
15 NGC 2659 OpC 08 42 32.1 -44 59 55           ~ 45 0
16 Cl Ruprecht 79 OpC 09 41 04.1 -53 50 33           ~ 89 0
17 IC 2581 OpC 10 27 29.3 -57 37 31   4.79 4.3     ~ 143 0
18 NGC 3293 OpC 10 35 50.3 -58 14 04           ~ 327 0
19 Cl Trumpler 18 OpC 11 11 21.4 -60 38 36           ~ 98 0
20 Cl Stock 13 OpC 11 13 05 -58 53.0           ~ 48 0
21 NGC 3766 OpC 11 36 13.5 -61 36 42   5.66 5.3     ~ 222 0
22 IC 2944 OpC 11 38 20.00 -63 22 22.0           ~ 191 0
23 Cl Stock 14 OpC 11 43 45.2 -62 31 12   6.33 6.3     ~ 84 0
24 NGC 4103 OpC 12 06 35.0 -61 14 47     7.4     ~ 104 1
25 Cl Trumpler 20 OpC 12 39 33.0 -60 38 10           ~ 138 0
26 NGC 4755 OpC 12 53 39.2 -60 22 07           ~ 300 0
27 Cl* NGC 4755 MG 215 * 12 54 44.3145367320 -60 25 13.983271536   11.87 11.59     B5V 7 0
28 Cl Hogg 16 OpC 13 29 18 -61 12.0           ~ 69 0
29 Cl Collinder 272 OpC 13 30 19.1 -61 18 59   8.25 7.7     ~ 70 0
30 NGC 5281 OpC 13 46 25.8 -62 55 00   6.15 5.9     ~ 92 0
31 NGC 5593 OpC 14 25 38.4 -54 47 28           ~ 32 0
32 Cl Ruprecht 119 OpC 16 28 06.4 -51 29 37           ~ 56 0
33 NGC 6178 OpC 16 35 42.5 -45 38 11           ~ 78 0
34 NGC 6193 OpC 16 41 14.9 -48 46 47           ~ 169 0
35 NGC 6200 OpC 16 44.1 -47 28   7.74 7.4     ~ 45 0
36 NGC 6204 OpC 16 46 09.1 -47 01 29   8.51 8.2     ~ 139 0
37 Cl Hogg 22 OpC 16 46 34.1 -47 06 12           ~ 81 0
38 NGC 6231 734 Y*O 16 53 26.0679060648 -41 42 34.754623056 14.160 13.982 13.548 13.2 12.902 B9V 9 0
39 Cl* NGC 6231 MG 74 * 16 53 26.1859688976 -41 46 56.355249036 16.217 14.790 13.252   11.607 ~ 2 0
40 Cl* NGC 6231 SBL 51 * 16 53 26.7976391832 -41 43 49.578425724 16.652 15.153 13.590   11.873 ~ 2 0
41 Cl* NGC 6231 MG 27 * 16 53 27.6333848784 -41 44 08.441408004 14.234 13.894 13.374   12.635 ~ 2 0
42 NGC 6231 38 * 16 53 31.4154679320 -41 49 58.334867112 14.912 14.496 13.560   12.396 ~ 2 0
43 NGC 6231 37 * 16 53 31.4219797440 -41 49 41.880726264 14.906 14.481 13.944   13.232 ~ 3 0
44 Cl* NGC 6231 MG 199 * 16 53 32.4265031136 -41 51 22.986472068 15.963 14.565 13.097   11.528 ~ 2 0
45 Cl* NGC 6231 SBL 84 * 16 53 33.5766305784 -41 43 05.936021184 14.311 13.858 13.185   12.291 ~ 2 0
46 Cl* NGC 6231 SBL 85 Y*? 16 53 33.6531237072 -41 42 00.578634012 14.893 14.341 13.730   12.887 ~ 3 0
47 Cl* NGC 6231 SBL 88 * 16 53 34.8664181328 -41 45 23.721916572 14.943 14.604 13.934   13.056 ~ 2 0
48 Cl Trumpler 24 24 Y*? 16 53 35.1465457455 -41 41 12.141148422 11.877 12.01 11.69 11.94 11.543 ~ 6 0
49 NGC 6231 36 * 16 53 35.9355607152 -41 49 58.799013564 15.261 14.582 13.519   12.257 ~ 2 0
50 NGC 6231 26 * 16 53 37.9328419200 -41 45 43.743950676 16.023 15.040 13.691   12.169 ~ 3 0
51 HD 326327 Be* 16 53 39.0780958656 -41 47 48.021660096 9.372 9.969 9.729 10.03 9.312 B1.5Ve 56 0
52 NGC 6231 27 * 16 53 39.8450376984 -41 47 22.950607848 15.034 14.825 14.044   12.948 ~ 3 0
53 NGC 6231 296 Y*O 16 53 40.0090677528 -41 48 12.533788188 11.376 11.752 11.467   11.009 ~ 8 0
54 Cl* NGC 6231 SBL 125 Y*O 16 53 40.7722111992 -41 48 12.430371024 14.776 14.469 13.991   13.257 ~ 7 0
55 2MASS J16534120-4152578 Y*? 16 53 41.2149703224 -41 52 57.788485392 15.505 15.042 14.061   12.910 ~ 3 0
56 NGC 6231 51 Y*? 16 53 41.6447960688 -41 53 33.075392892 15.290 14.966 13.993   12.740 ~ 5 0
57 NGC 6231 30 Y*? 16 53 41.9639057592 -41 48 20.835380016 11.727 11.94 11.625 11.71 11.149 ~ 14 0
58 Cl* NGC 6231 SBL 135 Be* 16 53 42.1655694432 -41 41 12.114510972 11.988 12.302 12.007   11.539 Be 7 0
59 NGC 6231 35 Y*? 16 53 42.3820931448 -41 49 21.818307108 13.577 13.521 13.193   12.692 ~ 7 0
60 Cl* NGC 6231 SBL 145 Y*? 16 53 42.9929811648 -41 41 12.798314088 12.679 12.833 12.516   12.041 ~ 5 0
61 NGC 6231 29 * 16 53 43.4680280928 -41 47 47.725543176 15.401 14.461 13.064   11.528 ~ 4 0
62 NGC 6231 41 Y*O 16 53 44.0300553960 -41 50 36.790108080 12.498 12.704 12.423   11.951 ~ 13 0
63 NGC 6231 11 Y*O 16 53 44.6755234344 -41 44 05.699832144 14.078 13.913 13.503   12.913 ~ 7 0
64 NGC 6231 12 Y*? 16 53 45.4788469104 -41 44 18.752878032 14.408 14.024 13.514   12.832 ~ 8 0
65 HD 326328 SB* 16 53 45.5874473424 -41 49 09.633232164 9.792 10.382 10.213   9.857 B3 41 0
66 NGC 6231 43 * 16 53 46.2241547400 -41 52 03.380656620 15.498 14.280 12.834   11.294 ~ 3 0
67 NGC 6231 42 * 16 53 46.5856932600 -41 51 08.717992452 15.843 14.356 12.858   11.257 ~ 3 0
68 NGC 6231 33 Y*? 16 53 46.9871839944 -41 48 54.948359880 12.400 12.621 12.375 12.60 11.962 B6-8V 12 0
69 Cl Trumpler 24 35 Y*O 16 53 47.9186078125 -41 45 04.196404536 12.700 12.932 12.629   12.122 ~ 5 0
70 NGC 6231 14 Y*? 16 53 48.4712973240 -41 45 21.816629028 11.711 12.020 11.751   11.298 ~ 12 0
71 NGC 6231 45 Y*? 16 53 48.7363494600 -41 52 42.721211568 14.028 13.819 13.418   12.848 ~ 8 0
72 Cl* NGC 6231 MG 170 Y*O 16 53 48.9327227928 -41 50 16.838080404 12.131 12.321 12.088   11.698 ~ 8 0
73 Cl* NGC 6231 SS 11A Y*O 16 53 48.9526185216 -41 51 28.958732856 11.067 11.474 11.243   10.860 ~ 4 0
74 Cl* NGC 6231 MG 210 * 16 53 49.3093576608 -41 51 29.861166672 13.450 13.112 12.343   11.405 ~ 2 0
75 Cl* NGC 6231 MG 166 * 16 53 49.8119301168 -41 50 12.548366304 11.902 12.157 11.952   11.569 ~ 4 0
76 NGC 6231 52 * 16 53 49.9212074568 -41 53 39.593096988 15.209 14.787 13.862   12.720 ~ 3 0
77 NGC 6231 10 Y*? 16 53 49.9376527080 -41 44 00.212730540 14.479 14.257 13.842   13.262 ~ 7 0
78 NGC 6231 269 * 16 53 50.1770542320 -41 49 42.597376860 15.678 15.116 14.168   12.888 ~ 2 0
79 NGC 6231 15 * 16 53 51.1359266856 -41 45 43.518164976 14.550 14.118 13.603   12.912 ~ 7 0
80 2MASS J16535119-4150538 Y*? 16 53 51.1986460008 -41 50 53.780192484 12.810 12.893 12.616   12.167 ~ 14 0
81 NGC 6231 268 Y*? 16 53 51.3013111008 -41 50 01.696952472 13.913 13.768 13.436   12.969 ~ 10 0
82 HD 152200 SB* 16 53 51.6564464880 -41 50 32.716447224 7.744 8.488 8.391 9.31 8.152 O9.7IV(n) 73 0
83 NGC 6231 252 * 16 53 51.9351271272 -41 52 27.509293920 14.122 13.781 13.328   12.743 ~ 4 0
84 NGC 6231 281 Y*? 16 53 52.0599810384 -41 48 54.086756796 11.886 12.230 12.034 12.20 11.619 Ap 14 0
85 NGC 6231 16 * 16 53 52.8576222216 -41 45 18.584778708 15.090 12.963 11.165   9.214 ~ 7 0
86 NGC 6231 251 * 16 53 53.2926409488 -41 53 15.088456356 14.931 14.517 13.933   13.208 ~ 3 0
87 Cl* NGC 6231 SS 20 Y*? 16 53 54.1484677488 -41 48 13.111602912 14.047 13.731 13.311   12.763 ~ 6 0
88 Cl* NGC 6231 SS 21 Y*? 16 53 54.5137609128 -41 49 12.095257008 13.089 13.125 12.813   12.340 ~ 5 0
89 V* V945 Sco bC* 16 53 54.5203569984 -41 52 14.960561412 9.090 9.745 9.575 9.618 9.260 B1V 45 0
90 NGC 6231 19 Y*O 16 53 54.9166723488 -41 45 42.932442924 13.532 13.478 13.101   12.516 ~ 12 0
91 NGC 6231 280 Y*? 16 53 56.0693850000 -41 48 59.424302484 14.766 14.389 13.617   12.670 ~ 3 0
92 NGC 6231 24 Be* 16 53 56.1157621704 -41 46 37.868545596 11.643 11.959 11.718   11.349 B_ 15 0
93 Cl* NGC 6231 SBL 240 Y*O 16 53 56.1727167864 -41 41 12.470831700 13.114 13.184 12.879   12.416 ~ 5 0
94 NGC 6231 283 Y*O 16 53 56.1857491848 -41 48 15.778884168 11.847 12.129 11.880   11.523 B3V 14 0
95 NGC 6231 262 * 16 53 56.2491786504 -41 51 29.254497876 15.384 14.343 12.984   11.496 ~ 3 0
96 Cl* NGC 6231 SBL 244 Y*? 16 53 56.2735151376 -41 51 54.071207532 13.787 13.682 13.328   12.813 ~ 5 0
97 NGC 6231 20 Y*? 16 53 56.4380448504 -41 46 05.260105488 13.854 13.646 13.263   12.732 ~ 7 0
98 NGC 6231 23 Y*? 16 53 57.2701586328 -41 46 39.614540880 14.162 13.765 13.225   12.494 ~ 11 0
99 NGC 6231 18 * 16 53 57.3309796944 -41 45 43.285455504 14.267 13.526 12.375   11.074 ~ 4 0
100 NGC 6231 17 * 16 53 57.4150187784 -41 45 13.484539332 16.506 14.994 13.420   11.716 ~ 3 0
101 Cl* NGC 6231 SBL 259 * 16 53 57.6890702952 -41 42 13.965006672 13.946 13.651 13.219 13.2 12.563 ~ 4 0
102 NGC 6231 255 SB* 16 53 57.7886640144 -41 52 46.974573336 12.999 13.159 12.842   12.382 ~ 13 0
103 NGC 6231 278 Y*O 16 53 57.8974156680 -41 50 04.476614208 12.509 12.547 12.247   11.801 ~ 13 0
104 NGC 6231 279 Y*? 16 53 57.9141625728 -41 49 50.622561912 14.151 13.817 13.395   12.825 ~ 10 0
105 NGC 6231 270 Y*O 16 53 57.9919483680 -41 50 44.622004596 14.324 13.986 13.557   12.991 ~ 11 0
106 NGC 6231 257 * 16 53 58.3918460064 -41 51 49.009570812 16.679 14.928 13.206   11.380 ~ 2 0
107 NGC 6231 3 Y*? 16 53 58.4487906096 -41 43 02.750323116 13.616 13.571 13.235   12.733 ~ 6 0
108 V* V1032 Sco bC* 16 53 58.6055666592 -41 48 41.790648132 9.327 9.920 9.767 9.811 9.445 B2V 42 0
109 NGC 6231 65 Y*? 16 53 58.7527458792 -41 54 05.271384888 13.472 13.452 13.132   12.635 ~ 6 0
110 NGC 6231 8 Y*? 16 53 58.8487734840 -41 44 57.289883676 14.174 13.974 13.563   12.977 ~ 6 0
111 NGC 6231 284 Y*? 16 53 58.9450563264 -41 47 20.399113140 12.912 12.783 12.338   11.677 B4.5V 11 0
112 NGC 6231 249 Pu* 16 53 59.3149479480 -41 53 04.040266236 11.810 12.132 11.876 12.11 11.504 B4-5V 14 0
113 NGC 6231 5 Y*? 16 53 59.3830543368 -41 43 33.820636800 14.327 14.003 13.527   12.854 ~ 7 0
114 NGC 6231 22 Y*? 16 53 59.4206871768 -41 46 52.577647860 14.416 14.176 13.783   13.263 ~ 9 0
115 NGC 6231 271 * 16 53 59.6544747960 -41 50 42.349437888 14.961 14.075 12.977   11.845 ~ 4 0
116 2MASS J16535997-4146263 Y*? 16 53 59.9749277160 -41 46 26.332486608 12.536 12.727 12.430 12.72 12.011 B 12 0
117 CD-41 11024E Y*? 16 54 00.0450076248 -41 48 18.776199852 11.746 12.013 11.722   11.217 ~ 9 0
118 2MASS J16540011-4147396 Y*? 16 54 00.1177966368 -41 47 39.589417392 13.289 13.279 12.925   12.367 B 9 0
119 CPD-41 7712 Y*? 16 54 00.3929167800 -41 52 43.523646564 8.607 9.298 9.158   8.838 B1V 35 0
120 Cl* NGC 6231 MG 113 Y*? 16 54 00.3952200816 -41 48 43.690990320 14.138 13.872 13.439   12.845 ~ 6 0
121 Cl* NGC 6231 SBL 297 Y*? 16 54 01.2491450976 -41 41 31.986645612 14.264 13.988 13.544   12.902 ~ 5 0
122 Cl* NGC 6231 SS 43 Y*? 16 54 01.2530984640 -41 45 34.922943000 14.620 14.152 13.465   12.527 ~ 6 0
123 CD-41 11023 Y*? 16 54 01.5408522648 -41 49 25.180583160 13.083 13.043 12.736 12.949 12.439 ~ 19 0
124 V* V946 Sco bC* 16 54 01.7631666120 -41 51 11.868345252 9.890 10.471 10.281 10.327 9.927 B2IV-V 49 0
125 V* V1199 Sco dS* 16 54 01.8665401536 -41 53 23.809520688 15.089 14.655 13.974 14.24 13.124 ~ 14 0
126 NGC 6231 258 * 16 54 01.8914053536 -41 52 05.809340424 14.690 14.391 13.665   12.705 ~ 3 0
127 Cl* NGC 6231 SBL 308 * 16 54 01.9537626888 -41 47 28.348103364 17.246 15.418 13.119   10.394 ~ 2 0
128 Cl* NGC 6231 MG 175 Y*O 16 54 02.7249503424 -41 50 28.635419580 12.053 12.287 12.048   11.652 B5:V 6 0
129 NGC 6231 66 Y*O 16 54 02.9029443744 -41 54 04.890611664 13.828 13.726 13.341   12.787 ~ 10 0
130 NGC 6231 360 Y*? 16 54 03.1538518560 -41 50 35.946974688 13.908 13.798 13.445   12.913 ~ 8 0
131 2MASS J16540315-4151492 Y*? 16 54 03.1543694544 -41 51 49.267424952 10.675 11.144 10.907 11.9 10.528 B2-3V 25 0
132 CD-41 11024D Y*? 16 54 03.2059392072 -41 48 34.933761108 13.677 13.609 13.283   12.781 ~ 10 0
133 Cl* NGC 6231 MG 8 Y*O 16 54 03.4009193232 -41 41 34.403653824 13.567 13.529 13.181   12.671 ~ 6 0
134 NGC 6231 1 Y*? 16 54 03.5029815552 -41 42 52.052270868 11.900 12.222 11.950   11.522 ~ 13 0
135 NGC 6231 194 Y*O 16 54 03.8074799328 -41 45 48.399381972 11.365 11.722 11.459   11.055 B3.5V 14 0
136 NGC 6231 275 Y*? 16 54 04.1730333264 -41 49 30.412643232 13.418 13.316 12.983   12.475 ~ 8 0
137 Cl* NGC 6231 SS 53 Y*? 16 54 04.8634548120 -41 48 05.142676428 11.660 11.936 11.638   11.155 ~ 5 0
138 NGC 6231 288 * 16 54 05.0740532112 -41 49 01.427342484 15.472 13.739 12.135   10.447 ~ 2 0
139 CD-41 11030 SB* 16 54 05.0795262120 -41 50 06.929151792 8.924 9.575 9.457   9.201 B1V 49 0
140 Cl* NGC 6231 SBL 336 * 16 54 05.1592330944 -41 47 05.827345764 14.746 14.424 13.707   12.788 ~ 2 0
141 Cl* NGC 6231 SS 54 Y*? 16 54 05.8744173288 -41 51 15.569663976 12.870 12.959 12.646   12.164 ~ 5 0
142 NGC 6231 274 Y*O 16 54 05.9340520296 -41 49 44.616862200 11.644 11.984 11.769   11.419 B3V 14 0
143 Cl* NGC 6231 SBL 341 * 16 54 06.0386778216 -41 41 27.106098540 13.963 12.461 11.028   9.572 ~ 2 0
144 Cl* NGC 6231 SS 62B Y*O 16 54 06.0627243504 -41 44 24.733012488 11.487 11.854 11.615   11.230 ~ 9 0
145 2MASS J16540658-4151259 Y*? 16 54 06.5727011832 -41 51 25.967342340 14.057 13.888 13.489   12.911 ~ 4 0
146 CPD-41 7722 SB* 16 54 06.5922330576 -41 44 26.398570380 9.586 10.178 10.017   9.700 B1V 19 0
147 NGC 6231 285 Y*? 16 54 06.6948990984 -41 48 16.670488536 14.127 13.834 13.403   12.807 ~ 7 0
148 CD-41 11048 Y*O 16 54 06.7112222064 -41 50 07.105056468 8.903 9.541 9.421   9.161 B1V 40 0
149 CD-41 11027B Y*? 16 54 06.8315169048 -41 51 01.370381580 9.412 10.049 9.898   9.600 B1.5V 12 0
150 CD-41 11032 SB* 16 54 06.9496123464 -41 49 23.360333088 8.93 9.60 9.512 10.81 9.256 B0.5V 42 0
151 2MASS J16540710-4150000 Y*? 16 54 07.1063502912 -41 49 59.976087348 14.321 13.909 13.287   12.463 ~ 8 0
152 Cl* NGC 6231 SS 61 * 16 54 07.1440254984 -41 51 23.262128748 12.566 12.536 12.178   11.623 ~ 2 0
153 NGC 6231 196 * 16 54 07.3683421296 -41 45 52.820023752 13.797 13.364 12.810   12.086 ~ 3 0
154 2MASS J16540740-4147136 Y*? 16 54 07.4093229048 -41 47 13.639333848 13.553 13.533 13.192   12.698 ~ 4 0
155 Cl* NGC 6231 SBL 362 Y*? 16 54 07.4133331224 -41 52 56.968563396 14.824 14.430 13.880   13.158 ~ 5 0
156 CD-41 11031 Y*? 16 54 07.5342145320 -41 44 40.655325588 9.443 10.051 9.887   9.566 B0V 29 0
157 NGC 6231 245 Y*O 16 54 07.6047474600 -41 52 14.990193156 13.771 13.643 13.256   12.692 ~ 7 0
158 NGC 6231 314 Be* 16 54 08.779 -41 51 49.47 12.600 12.613 12.216   11.639 Be 8 0
159 NGC 6231 273 SB* 16 54 09.1491981312 -41 50 12.711714324 12.890 13.070 12.770   12.365 ~ 22 0
160 Cl* NGC 6231 SBL 377 Y*? 16 54 09.1832784696 -41 51 09.166118040 14.976 14.506 13.803   12.858 ~ 8 0
161 CPD-41 7727 SB* 16 54 09.2737061088 -41 48 41.072216580 8.964 9.564 9.424   9.134 B1V 40 0
162 2MASS J16541006-4147052 Y*? 16 54 10.0702221936 -41 47 05.295550380 13.610 13.517 13.167   12.664 ~ 6 0
163 Cl* NGC 6231 SS 79 Y*? 16 54 10.0753678536 -41 49 59.432475720 13.801 13.698 13.360   12.858 ~ 5 0
164 NGC 6231 299 Y*O 16 54 10.0906687920 -41 47 13.217454348 12.910 12.963 12.684   12.276 ~ 6 0
165 NGC 6231 198 * 16 54 10.4603355648 -41 46 27.273019440 14.116 13.636 12.990   12.119 ~ 7 0
166 NGC 6231 209 Y*? 16 54 10.7255921880 -41 47 47.372416692 10.307 10.795 10.599 10.62 10.265 B2IV-V 31 0
167 NGC 6231 242 Y*? 16 54 10.9027875312 -41 52 52.280897160 13.940 13.777 13.364   12.786 ~ 7 0
168 NGC 6231 374 Y*? 16 54 10.9603526328 -41 49 39.103879044   10.373 10.157 10.66 9.813 ~ 15 0
169 Cl* NGC 6231 MG 197 Y*? 16 54 11.1689919024 -41 51 16.969028940 11.878 12.166 11.904   11.500 ~ 5 0
170 NGC 6231 208 * 16 54 11.2927184016 -41 47 28.698875520 15.214 14.930 14.167   13.220 ~ 3 0
171 CD-41 11034 Y*? 16 54 11.3119116264 -41 48 53.965557072 8.878 9.546 9.335 9.744 8.943 B1V 45 0
172 Cl* NGC 6231 SBL 407 Y*? 16 54 11.8082978808 -41 49 42.860819460 10.882 11.319 11.104 11.24 10.736 ~ 8 0
173 Cl* NGC 6231 SS 82 Y*? 16 54 11.8697492520 -41 51 23.588501400 13.867 13.663 13.277   12.734 ~ 4 0
174 2MASS J16541226-4152379 Y*? 16 54 12.2656589688 -41 52 37.834376808 12.742 12.854 12.484   11.914 B8.5V 9 0
175 NGC 6231 199 Y*? 16 54 12.3186845712 -41 46 53.050286532 12.530 12.660 12.374   11.933 Ap 13 0
176 Cl* NGC 6231 SS 87 * 16 54 12.3581468424 -41 49 45.503580144 16.978 14.937 13.078   11.061 ~ 3 0
177 Cl* NGC 6231 MG 200 * 16 54 12.39 -41 51 22.7 12.999 13.078 12.754   12.260 ~ 4 0
178 2MASS J16541271-4150167 Y*? 16 54 12.7158719880 -41 50 16.744089192 12.838 12.906 12.614   12.154 ~ 5 0
179 Cl* NGC 6231 SS 90 Y*O 16 54 13.0608704424 -41 49 17.478418656 11.422 11.784 11.537   11.159 ~ 6 0
180 Cl* NGC 6231 SS 95 Y*? 16 54 13.1368344000 -41 45 05.543454456 13.639 13.574 13.230   12.761 ~ 11 0
181 Cl* NGC 6231 MG 209 Y*O 16 54 13.2668927760 -41 51 28.774010880 12.318 12.545 12.259   11.808 ~ 8 0
182 NGC 6231 366 Y*? 16 54 13.4209962048 -41 50 09.101790348 12.085 12.272 11.997 11.882 11.541 ~ 9 0
183 NGC 6231 356 * 16 54 13.4865604056 -41 51 08.723194416 15.043 14.625 13.753   12.755 ~ 3 0
184 Cl* NGC 6231 SS 96 Y*O 16 54 13.6495747896 -41 45 06.422122476 13.546 13.505 13.196   12.726 ~ 5 0
185 Cl* NGC 6231 SS 92 Y*? 16 54 13.7442722880 -41 51 29.412665532 14.041 13.934 13.561   13.017 ~ 8 0
186 HD 326329 Y*O 16 54 14.1033282720 -41 50 08.503512720 8.141 9.183 9.013 9.477 8.460 O9.7V 78 0
187 NGC 6231 191 * 16 54 14.1906639792 -41 42 48.783179736 14.825 14.396 13.849   13.124 ~ 3 0
188 NGC 6231 207 Y*? 16 54 14.3405149632 -41 47 40.680937788 14.014 13.853 13.453   12.915 ~ 8 0
189 NGC 6231 OpC 16 54 14.4 -41 48 53           ~ 562 0
190 Cl* NGC 6231 SS 97 * 16 54 14.4905646456 -41 49 48.179703828 15.882 14.290 12.780   11.243 ~ 2 0
191 NGC 6231 211 Y*? 16 54 14.6515308408 -41 48 01.460576016 15.412 14.972 14.167   13.188 ~ 7 0
192 NGC 6231 236 Y*? 16 54 14.7168894120 -41 51 11.012092416 11.199 11.614 11.385   11.020 B2.5V 18 0
193 NGC 6231 200 * 16 54 14.8505354784 -41 46 58.345311720 13.349 13.067 12.602 12.70 12.011 ~ 4 0
194 2MASS J16541487-4143413 Y*? 16 54 14.8756422792 -41 43 41.352618324 14.914 14.490 13.797   12.876 ~ 5 0
195 NGC 6231 202 * 16 54 15.0061569240 -41 46 34.229903448 15.178 14.377 13.295   12.038 ~ 3 0
196 2MASS J16541533-4152540 Y*? 16 54 15.3327275328 -41 52 53.999132844 14.632 14.184 13.614   12.846 ~ 8 0
197 NGC 6231 235 Y*? 16 54 15.5478377712 -41 50 54.932715564 13.701 13.655 13.292   12.757 B8.5V 12 0
198 NGC 6231 239 * 16 54 15.6232221096 -41 52 09.183614376 14.824 14.441 13.620   12.682 ~ 4 0
199 V* V1205 Sco dS* 16 54 15.7377001608 -41 51 39.861550332 14.548 13.87 13.22 13.38 12.671 A5III 13 0
200 CD-41 7736 Pu* 16 54 15.7425941640 -41 49 32.321424612 9.859 10.400 10.174 10.14 9.780 B1Vn 33 0
201 NGC 6231 203 Y*? 16 54 15.9416499672 -41 46 22.237215420 13.850 13.764 13.417   12.929 ~ 8 0
202 NGC 6231 361 Y*O 16 54 16.0456147560 -41 50 24.244559952 11.784 12.103 11.841   11.425 ~ 8 0
203 CPD-41 7737 Y*? 16 54 16.3028817696 -41 50 26.660630976 10.456 10.955 10.745 10.71 10.387 B1V 24 0
204 NGC 6231 192 * 16 54 16.6952813208 -41 42 53.606122092 14.781 14.034 12.843   11.450 ~ 2 0
205 NGC 6231 189 SB* 16 54 16.8013206864 -41 45 08.349698880 11.732 11.847 11.573   11.118 B8-9V 18 0
206 2MASS J16541690-4152552 Y*? 16 54 16.9083623544 -41 52 55.220152188 13.292 13.150 12.692   12.052 ~ 8 0
207 Cl* NGC 6231 SS 108 Y*? 16 54 17.0749260216 -41 48 12.267204660 11.727 11.882 11.604   11.192 ~ 6 0
208 Cl* NGC 6231 SBL 468 Y*? 16 54 17.2180760376 -41 49 19.525079352 12.744 12.834 12.520   12.056 ~ 6 0
209 2MASS J16541732-4149157 Y*? 16 54 17.3204208024 -41 49 15.771082476 11.510 11.864 11.597   11.180 ~ 5 0
210 2MASS J16541736-4148294 Y*? 16 54 17.3634089088 -41 48 29.394925740 13.250 12.914 12.424   11.679 ~ 9 0
211 NGC 6231 212 Y*? 16 54 17.4359590224 -41 47 50.226632880 13.550 13.533 13.224   12.777 ~ 7 0
212 NGC 6231 234 Y*? 16 54 17.4803263056 -41 51 03.545232948 13.152 13.166 12.818   12.309 B8Vn 15 0
213 Cl* NGC 6231 SS 115 Y*? 16 54 17.8635231864 -41 48 59.639538384 10.792 11.231 11.014   10.648 ~ 6 0
214 NGC 6231 213 Y*O 16 54 17.9338413600 -41 48 01.303610616 10.799 11.257 11.059 11.12 10.735 B2IVn 24 0
215 2MASS J16541802-4145117 Y*? 16 54 18.0217811112 -41 45 11.707194780 15.253 14.828 14.159   13.271 ~ 6 0
216 NGC 6231 225 SB* 16 54 18.1360278600 -41 50 16.435116096 13.332 13.392 13.062 13.26 12.553 B9V 13 0
217 Cl* NGC 6231 SBL 484 * 16 54 18.1870677384 -41 45 33.013168092 16.390 14.023 12.100   9.752 ~ 2 0
218 NGC 6231 85 Y*O 16 54 18.1902492384 -41 53 37.096546668 13.863 13.779 13.373   12.810 ~ 7 0
219 V* V964 Sco bC* 16 54 18.3200772432 -41 51 35.651104416 9.126 9.776 9.603 9.61 9.290 B0.5V 63 0
220 NGC 6231 193 * 16 54 18.3969513192 -41 42 24.330443724 14.192 13.807 13.304   12.639 ~ 3 0
221 Cl* NGC 6231 SBL 494 Y*O 16 54 19.0174270224 -41 52 15.793837392 14.046 13.917 13.516   12.955 ~ 5 0
222 NGC 6231 214 Y*? 16 54 19.1176282800 -41 48 28.782488088 13.050 13.123 12.828   12.387 ~ 9 0
223 2MASS J16541940-4146507 Y*? 16 54 19.4034543312 -41 46 50.801795760 14.629 14.272 13.792   13.146 ~ 6 0
224 NGC 6231 86 Y*O 16 54 20.3553490440 -41 54 09.021866364 12.791 12.903 12.524   11.968 Ap 9 0
225 NGC 6231 227 Y*O 16 54 20.3720519760 -41 50 49.236526140 12.674 12.820 12.498   12.024 B7Vn 14 0
226 V* V1207 Sco Y*O 16 54 20.6163048120 -41 49 28.631620668 11.062 11.455 11.198 11.23 10.774 B1Vn: 13 0
227 NGC 6231 216 Y*? 16 54 20.8525672008 -41 48 42.324624108 13.777 13.668 13.312   12.813 ~ 7 0
228 Cl* NGC 6231 SBL 518 Y*? 16 54 20.8570819440 -41 50 06.102684564 16.681 15.966 14.909   13.634 ~ 9 0
229 V* V1208 Sco Y*O 16 54 21.3090092232 -41 51 41.766233904 9.293 9.91 9.708 9.96 9.344 B0-2V 52 0
230 NGC 6231 87 * 16 54 21.4992949416 -41 54 28.313592192 13.722 13.646 13.252   12.676 ~ 5 0
231 NGC 6231 223 Y*O 16 54 21.6930463104 -41 49 54.394363704 11.825 12.011 11.719 11.81 11.302 B6Vn 14 0
232 NGC 6231 217 Y*? 16 54 21.9945751848 -41 48 47.202861852 12.325 12.547 12.248   11.784 B6Vn 12 0
233 NGC 6231 231 Y*? 16 54 22.1671906560 -41 52 04.589589756 14.558 14.318 13.856   13.185 ~ 9 0
234 NGC 6231 228 Y*? 16 54 22.8227615784 -41 50 49.126562448 14.573 14.202 13.730   13.087 ~ 10 0
235 NGC 6231 186 Y*? 16 54 22.8349538304 -41 45 23.377881024 11.409 11.789 11.516   11.074 B2.5V 12 0
236 NGC 6231 218 Y*O 16 54 23.2034057760 -41 48 55.026871020 14.884 14.416 13.847   13.089 A3V 12 0
237 NGC 6231 108 Y*? 16 54 23.4504384648 -41 52 51.219013980 11.324 11.715 11.435   10.983 B2V 26 0
238 Cl* NGC 6231 MG 198 Y*? 16 54 23.5128995112 -41 51 18.233869428 13.670 13.627 13.262 13.266 12.726 ~ 8 0
239 Cl* NGC 6231 MG 213 * 16 54 23.9291919864 -41 51 29.392592364 12.020 12.246 11.903   11.363 B 6 0
240 Cl* NGC 6231 MG 201 Y*? 16 54 24.1684725168 -41 51 22.247096328 12.172 12.424 12.132   11.666 ~ 8 0
241 2MASS J16542456-4149379 Y*? 16 54 24.5616396888 -41 49 37.951394700 14.567 14.152 13.600   12.855 ~ 5 0
242 NGC 6231 165 Y*? 16 54 25.9676364672 -41 47 07.020964176 12.624 12.759 12.493   12.066 B7.5V 15 0
243 2MASS J16542604-4145543 Y*? 16 54 26.0457934152 -41 45 54.287973180 12.238 12.319 11.985   11.492 B8.5V 11 0
244 NGC 6231 230 * 16 54 26.1062682696 -41 51 31.108244580 13.009 12.893 12.462 12.58 11.823 ~ 10 0
245 NGC 6231 105 * 16 54 26.1959411784 -41 53 20.587796232 11.160 11.429 11.088   10.572 ~ 11 0
246 HD 326331B Y*? 16 54 26.4799717176 -41 49 51.328087788 9.618 10.165 9.959   9.570 ~ 8 0
247 NGC 6231 219 Y*? 16 54 27.5786175288 -41 48 58.653371268 13.085 13.135 12.766   12.225 Ap 11 0
248 NGC 6231 183 Y*? 16 54 27.6239227224 -41 45 44.061259896 14.485 14.204 13.766   13.133 ~ 9 0
249 NGC 6231 222 Y*? 16 54 27.9736192464 -41 50 13.972594056 11.856 12.119 11.829   11.373 B4Vn 15 0
250 Cl* NGC 6231 SS 147 Y*O 16 54 28.6567201608 -41 53 41.104181724 13.079 13.150 12.775   12.202 ~ 7 0
251 NGC 6231 160 Y*? 16 54 28.9686377592 -41 48 26.136612252 11.857 12.150 11.848   11.369 B3III 11 0
252 Cl* NGC 6231 SBL 594 Y*? 16 54 29.1086359608 -41 52 41.368582848 14.213 14.006 13.545   12.901 ~ 5 0
253 Cl* NGC 6231 SBL 596 Y*O 16 54 29.4448656408 -41 52 35.448756060 14.604 14.301 13.822   13.186 ~ 5 0
254 NGC 6231 182 Y*? 16 54 29.7819192480 -41 45 22.383803808 14.518 14.275 13.871   13.320 ~ 6 0
255 Cl* NGC 6231 SS 152C Y*O 16 54 30.0221924904 -41 53 06.644001516 13.125 13.238 12.882   12.376 ~ 6 0
256 Cl* NGC 6231 SS 152A Y*O 16 54 30.3905351832 -41 53 07.178861904 11.638 11.977 11.676   11.226 ~ 8 0
257 Cl* NGC 6231 SS 152B Y*? 16 54 30.5444277264 -41 53 04.515754956 12.530 12.689 12.349   11.849 ~ 4 0
258 NGC 6231 139 Y*? 16 54 30.8592405360 -41 51 00.051776280 14.828 14.438 13.925   13.259 ~ 8 0
259 Cl* NGC 6231 SS 155 Y*O 16 54 31.2511485936 -41 48 02.663720820 12.014 12.116 11.817   11.359 ~ 7 0
260 Cl* NGC 6231 SS 157 Y*? 16 54 32.4703050696 -41 50 08.507592384 14.028 13.720 13.217   12.640 ~ 8 0
261 NGC 6231 137 Y*O 16 54 32.8351008312 -41 51 23.985472212 11.946 12.122 11.762   11.224 ~ 12 0
262 NGC 6231 181 * 16 54 32.9145860040 -41 46 27.859885392 15.683 14.436 13.020   11.477 ~ 2 0
263 NGC 6231 162 * 16 54 32.9678730000 -41 47 59.117878824 11.040 11.400 11.141   10.739 ~ 10 0
264 Cl* NGC 6231 MG 160 Y*O 16 54 33.8462826984 -41 50 05.652586788 14.677 14.317 13.828   13.185 ~ 6 0
265 NGC 6231 109 * 16 54 34.1476447872 -41 52 44.871895992 14.621 14.337 13.836   13.132 ~ 4 0
266 2MASS J16543513-4148578 Y*? 16 54 35.1233899009 -41 48 57.958151660 15.218 14.848 13.916   12.706 ~ 6 0
267 NGC 6231 133 * 16 54 35.3732715384 -41 52 15.102066720 14.656 14.399 13.772   12.952 ~ 5 0
268 Cl* NGC 6231 SBL 645 Y*? 16 54 35.4377457384 -41 50 02.589531072 13.949 13.788 13.374   12.782 ~ 6 0
269 NGC 6231 178 Y*O 16 54 35.6864936592 -41 45 27.207973152 14.074 13.757 13.240   12.455 ~ 10 0
270 NGC 6231 152 Y*? 16 54 35.7137568144 -41 49 42.609738900 12.470 12.676 12.371   11.900 B5V 14 0
271 Cl* NGC 6231 MG 128 * 16 54 35.7333991536 -41 49 15.891216420 13.638 13.477 13.139   12.626 ~ 2 0
272 HD 326332 Y*O 16 54 35.8130819496 -41 50 12.216189984 9.275 9.903 9.669 9.96 9.275 B2IVe+ 54 0
273 2MASS J16543602-4149156 Y*? 16 54 36.022 -41 49 15.65 12.242 12.314 11.986   11.490 ~ 4 0
274 NGC 6231 136 Y*? 16 54 36.6173148072 -41 51 27.727451568 14.997 14.592 14.070   13.369 ~ 6 0
275 NGC 6231 176 * 16 54 36.7686797664 -41 43 38.184944124 14.504 14.101 13.294   12.312 ~ 2 0
276 NGC 6231 177 * 16 54 36.9184496304 -41 45 32.767643196 13.971 13.634 13.151   12.509 ~ 3 0
277 NGC 6231 180 * 16 54 37.0852089360 -41 46 16.903799652 16.217 15.148 13.918   12.644 ~ 2 0
278 NGC 6231 134 Y*O 16 54 37.1715980880 -41 52 01.885969740 14.554 14.221 13.698   13.058 ~ 10 0
279 WRAY 15-1560 Be* 16 54 37.4423306424 -41 47 07.186810056 11.905 12.100 11.771   11.227 Be 15 0
280 2MASS J16543867-4152395 Y*? 16 54 38.6704018344 -41 52 39.523794852 13.089 13.030 12.591   11.947 ~ 10 0
281 2MASS J16543920-4146129 Y*? 16 54 39.2000331168 -41 46 13.007225784 15.149 14.744 13.937   12.954 ~ 3 0
282 Cl* NGC 6231 SBL 682 * 16 54 39.4116954792 -41 41 14.631809028 14.604 14.270 13.497   12.527 ~ 2 0
283 CPD-41 7755 Y*? 16 54 39.8785805856 -41 53 38.480359596 9.675 10.273 10.068 11.4 9.705 B1V 39 0
284 Cl* NGC 6231 SBL 688 * 16 54 40.7484638472 -41 42 27.470203704 14.773 14.510 13.833   12.971 ~ 3 0
285 NGC 6231 130 Y*O 16 54 40.7709542328 -41 52 37.787147364 13.565 13.433 12.871   12.126 ~ 13 0
286 NGC 6231 113 * 16 54 40.9878810144 -41 53 27.731058864 16.187 14.493 12.879   11.177 ~ 4 0
287 NGC 6231 129 * 16 54 42.2462755176 -41 52 43.053658320 15.019 14.467 13.646   12.643 ~ 3 0
288 NGC 6231 173 Y*? 16 54 42.3103676808 -41 45 58.233921876 13.265 13.248 12.927   12.430 ~ 10 0
289 Cl* NGC 6231 SBL 706 Y*? 16 54 42.3693767970 -41 43 01.368861446 14.652 14.201 13.522   12.581 ~ 8 0
290 NGC 6231 140 * 16 54 42.55 -41 51 26.1 11.793 11.914 11.510 11.9 10.898 ~ 8 0
291 V* V920 Sco bC* 16 54 43.1657949576 -41 49 35.456774916 9.153 9.795 9.601 9.95 9.256 B1V 67 0
292 Cl* NGC 6231 SBL 713 Y*O 16 54 43.6770313896 -41 43 35.638114260 13.125 13.266 12.943   12.430 ~ 5 0
293 NGC 6231 151 Y*O 16 54 44.3581219944 -41 49 53.711874084 14.301 14.095 13.674   13.087 ~ 8 0
294 NGC 6231 168 Y*? 16 54 44.5929493800 -41 47 44.432901060 14.695 14.271 13.746   13.064 ~ 11 0
295 NGC 6231 172 * 16 54 44.64 -41 46 44.3 13.216 13.165 12.838   12.324 ~ 7 0
296 NGC 6231 175 Y*? 16 54 44.8910402928 -41 44 59.511407244 13.677 13.608 13.274   12.779 B9V 9 0
297 2MASS J16544525-4152446 Y*? 16 54 45.2528303712 -41 52 44.686679340 14.439 14.163 13.590   12.800 ~ 10 0
298 Cl* NGC 6231 SS 183A Y*O 16 54 45.3179582640 -41 51 23.599432008 12.719 12.847 12.463 12.2 11.886 ~ 8 0
299 Cl* NGC 6231 SBL 740 * 16 54 46.4191950576 -41 44 13.845040584 14.783 14.511 13.735   12.761 ~ 3 0
300 NGC 6231 141 * 16 54 46.4454078048 -41 50 47.082573780 14.364 13.974 13.486   12.841 ~ 4 0
301 NGC 6231 127 * 16 54 47.2746239112 -41 52 49.572768180 12.143 12.398 12.033   11.460 B8III-IV 11 0
302 2MASS J16544772-4150477 Y*? 16 54 47.7220274112 -41 50 47.741743068 12.190 12.466 12.155   11.662 ~ 9 0
303 NGC 6231 170 * 16 54 48.5315095080 -41 46 49.482887736 15.324 14.914 14.087   13.091 ~ 2 0
304 NGC 6231 126 * 16 54 48.7493678832 -41 52 30.712565064 12.856 12.602 12.239   11.771 B1V 7 0
305 NGC 6249 OpC 16 57 45.5 -44 48 58   8.72 8.2     ~ 61 0
306 NGC 6250 OpC 16 57 55.2 -45 56 48   6.14 5.9     ~ 89 0
307 NGC 6268 OpC 17 02 03.8 -39 43 21           ~ 61 0
308 Cl VDBH 217 OpC 17 16 16.6 -40 49 01           ~ 36 0
309 Cl Bochum 13 OpC 17 17 17.7 -35 32 30   7.84 7.2     ~ 69 0
310 NGC 6322 OpC 17 18 28.3 -42 56 39           ~ 68 0
311 Cl Trumpler 27 OpC 17 36 20 -33 31.0   8.24 6.7     ~ 100 1
312 Cl Trumpler 28 OpC 17 36 55.0 -32 28 16           ~ 59 0
313 Cl Ruprecht 127 OpC 17 37 49.0 -36 18 12           ~ 50 0
314 NGC 6425 OpC 17 46 55.2 -31 29 57   7.90 7.2     ~ 75 0
315 M 21 OpC 18 04 10.1 -22 30 00           ~ 157 0
316 NGC 6530 OpC 18 04 31 -24 21.5           ~ 443 0
317 NGC 6604 OpC 18 18 03 -12 14.5           ~ 146 0
318 M 18 OpC 18 19 56.2 -17 04 21           ~ 93 0
319 Cl Ruprecht 140 OpC 18 21 51.00 -33 13 00.0           ~ 9 1
320 NGC 6664 OpC 18 36 32.4 -08 11 23   8.81 7.8     ~ 135 0
321 Cl Trumpler 34 OpC 18 39 44.4 -08 26 20   9.32 8.6     ~ 22 0
322 Cl Apriamaswili 1 OpC 18 48 07.9 -05 52 39   9.34 8.9     ~ 42 0

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