OB Associations: Data
| Name | Right Ascension (H.xx) | Declination (D.xx) | Distance (kpc) | Comments |
|---|---|---|---|---|
| Sgr 1a | 18.0773 | -24.2855 | 1.52 | Number of Members = 18; Size (pc) Long x Lat = 23.9 10.6 |
| Sgr 1b | 18.1648 | -23.6941 | 1.94 | Number of Members = 5; Size (pc) Long x Lat = 13.6 6.8 |
| Sgr 1c | 18.0554 | -22.7034 | 1.44 | Number of Members = 12; Size (pc) Long x Lat = 25.2 15.1 |
| Sgr 7 | 18.2277 | -20.6402 | 1.28 | Number of Members = 5; Size (pc) Long x Lat = 17.8 20.1 |
| Sgr 4 | 18.2623 | -18.9253 | 1.85 | Number of Members = 22; Size (pc) Long x Lat = 54.9 45.2 |
| Ser 1a | 18.3469 | -16.6349 | 1.50 | Number of Members = 10; Size (pc) Long x Lat = 31.5 18.4 |
| Ser 1b | 18.3146 | -13.8436 | 2.05 | Number of Members = 19; Size (pc) Long x Lat = 7.2 10.7 |
| Sct 3 | 18.4213 | -14.3307 | 1.48 | Number of Members = 10; Size (pc) Long x Lat = 25.8 33.6 |
| Ser 2 | 18.3024 | -12.2728 | 1.45 | Number of Members = 15; Size (pc) Long x Lat = 22.8 33.0 |
| Vul 1 | 19.7179 | 23.3190 | 2.54 | Number of Members = 15; Size (pc) Long x Lat = 4.4 13.3 |
| Vul 4 | 19.7666 | 24.3768 | 1.21 | Number of Members = 11; Size (pc) Long x Lat = 25.3 19.0 |
| Cyg 3a | 20.1189 | 35.6697 | 1.82 | Number of Members = 25; Size (pc) Long x Lat = 38.1 41.3 |
| Cyg 3b | 20.1401 | 36.5143 | 2.31 | Number of Members = 7; Size (pc) Long x Lat = 32.3 28.3 |
| Cyg 1,8,9 | 20.3356 | 38.9211 | 1.37 | Number of Members = 119; Size (pc) Long x Lat = 153.2 83.9 |
| Lac 1 | 22.6253 | 39.9005 | 0.63 | Number of Members = 5; Size (pc) Long x Lat = 14.4 22.1 |
| Cep 2a | 21.6430 | 57.4859 | 0.96 | Number of Members = 15; Size (pc) Long x Lat = 20.1 50.2 |
| Cep 2b | 21.9227 | 61.7156 | 0.77 | Number of Members = 17; Size (pc) Long x Lat = 35.1 62.0 |
| Cep 1 | 23.0362 | 57.0717 | 2.21 | Number of Members = 6; Size (pc) Long x Lat = 11.6 30.9 |
| Cep 3 | 22.9580 | 62.9086 | 0.84 | Number of Members = 33; Size (pc) Long x Lat = 36.6 20.5 |
| Cas 5 | 23.7829 | 62.1867 | 2.28 | Number of Members = 12; Size (pc) Long x Lat = 43.9 19.9 |
| Cas 4 | 0.3605 | 62.2512 | 1.56 | Number of Members = 6; Size (pc) Long x Lat = 21.8 21.8 |
| Cas 8 | 1.7578 | 61.3145 | 1.77 | Number of Members = 18; Size (pc) Long x Lat = 46.2 27.7 |
| Clust 1 | 2.0688 | 64.7041 | 0.89 | Number of Members = 5; Size (pc) Long x Lat = 18.6 12.4 |
| Per 1a | 1.9672 | 60.2814 | 1.61 | Number of Members = 11; Size (pc) Long x Lat = 39.4 25.3 |
| Per 1b | 2.2317 | 59.5977 | 1.60 | Number of Members = 6; Size (pc) Long x Lat = 25.2 19.6 |
| Per 1c | 2.2243 | 57.8268 | 1.91 | Number of Members = 5; Size (pc) Long x Lat = 16.7 16.7 |
| Per 1d | 2.3755 | 57.2547 | 1.93 | Number of Members = 99; Size (pc) Long x Lat = 101.1 80.9 |
| Cas 6 | 2.5371 | 61.4853 | 2.01 | Number of Members = 20; Size (pc) Long x Lat = 38.7 28.1 |
| Cam 1 | 3.2990 | 59.7356 | 0.98 | Number of Members = 16; Size (pc) Long x Lat = 44.7 30.9 |
| Aur 2 | 5.4637 | 34.5305 | 2.68 | Number of Members = 11; Size (pc) Long x Lat = 23.4 28.0 |
| Aur 1 | 5.6192 | 34.1390 | 1.36 | Number of Members = 6; Size (pc) Long x Lat = 9.5 2.4 |
| Gem 1 | 6.3069 | 22.9369 | 1.34 | Number of Members = 16; Size (pc) Long x Lat = 51.4 39.7 |
| Ori 1a | 5.5938 | 9.5643 | 0.52 | Number of Members = 5; Size (pc) Long x Lat = 9.9 2.7 |
| Ori 1b | 5.5534 | -0.3905 | 0.50 | Number of Members = 27; Size (pc) Long x Lat = 78.6 36.8 |
| Ori 1c | 5.5909 | -5.5354 | 0.66 | Number of Members = 29; Size (pc) Long x Lat = 38.2 32.4 |
| NGC 2264 | 6.6839 | 9.6966 | 1.12 | Number of Members = 5; Size (pc) Long x Lat = 13.6 5.8 |
| Mon 2a | 6.5362 | 4.8460 | 1.63 | Number of Members = 14; Size (pc) Long x Lat = 19.9 28.4 |
| Mon 1b | 6.6248 | 4.8114 | 1.48 | Number of Members = 5; Size (pc) Long x Lat = 23.3 7.8 |
| Cma 1a | 7.0691 | -11.0188 | 0.75 | Number of Members = 6; Size (pc) Long x Lat = 13.0 15.6 |
| Cma 1b | 7.1405 | -12.2882 | 1.30 | Number of Members = 11; Size (pc) Long x Lat = 27.2 31.7 |
| NGC 2384 | 7.4177 | -21.1599 | 2.48 | Number of Members = 5; Size (pc) Long x Lat = 8.6 8.6 |
| NGC 2362 | 7.3139 | -24.8716 | 1.43 | Number of Members = 10; Size (pc) Long x Lat = 17.5 17.5 |
| Coll 121 | 7.1623 | -25.6603 | 0.54 | Number of Members = 10; Size (pc) Long x Lat = 35.5 24.3 |
| Vela 2 | 8.1178 | -46.9181 | 0.49 | Number of Members = 10; Size (pc) Long x Lat = 39.5 31.8 |
| Vela 1a | 8.6639 | -45.9698 | 1.43 | Number of Members = 12; Size (pc) Long x Lat = 22.4 37.4 |
| Vela 1b | 8.8512 | -45.9353 | 1.41 | Number of Members = 8; Size (pc) Long x Lat = 22.2 27.1 |
| Vela 1c | 8.7253 | -48.2134 | 0.70 | Number of Members = 5; Size (pc) Long x Lat = 8.5 24.3 |
| Car 1a | 10.4449 | -57.6397 | 2.40 | Number of Members = 21; Size (pc) Long x Lat = 29.3 37.7 |
| Car 1b | 10.6314 | -58.0071 | 2.14 | Number of Members = 24; Size (pc) Long x Lat = 44.8 74.6 |
| Car 1c | 10.6320 | -58.6521 | 2.59 | Number of Members = 8; Size (pc) Long x Lat = 22.6 31.7 |
| Car 1d | 10.5626 | -60.2619 | 2.34 | Number of Members = 5; Size (pc) Long x Lat = 16.3 16.3 |
| Car 1e | 10.7494 | -59.7353 | 2.64 | Number of Members = 77; Size (pc) Long x Lat = 83.0 60.0 |
| Car 1f | 10.8810 | -58.7896 | 2.76 | Number of Members = 6; Size (pc) Long x Lat = 24.1 28.9 |
| Car 1-2 | 10.9785 | -60.2071 | 2.62 | Number of Members = 8; Size (pc) Long x Lat = 36.6 13.7 |
| Car 2 | 11.1416 | -60.5112 | 2.16 | Number of Members = 74; Size (pc) Long x Lat = 94.1 97.9 |
| NGC 3576 | 11.3110 | -61.1315 | 2.58 | Number of Members = 6; Size (pc) Long x Lat = 22.5 13.5 |
| NGC 3766 | 11.6042 | -61.5772 | 2.08 | Number of Members = 21; Size (pc) Long x Lat = 7.3 7.3 |
| Cru 1a | 11.5213 | -63.4620 | 2.58 | Number of Members = 12; Size (pc) Long x Lat = 40.4 58.4 |
| Cru 1b | 11.6419 | -63.3431 | 2.89 | Number of Members = 34; Size (pc) Long x Lat = 30.3 30.3 |
| Cru 1c | 11.7098 | -62.5075 | 2.18 | Number of Members = 8; Size (pc) Long x Lat = 26.6 7.6 |
| Cru 1d | 11.7992 | -62.2670 | 3.05 | Number of Members = 5; Size (pc) Long x Lat = 10.7 16.0 |
| Cru 1e | 12.0250 | -63.0044 | 2.58 | Number of Members = 6; Size (pc) Long x Lat = 31.5 31.5 |
| Clust 2 | 12.1756 | -63.9560 | 1.92 | Number of Members = 5; Size (pc) Long x Lat = 6.7 10.0 |
| Cen 1a | 12.8894 | -60.4409 | 2.20 | Number of Members = 39; Size (pc) Long x Lat = 19.2 53.7 |
| Cen 1b | 13.0010 | -60.9142 | 1.76 | Number of Members = 5; Size (pc) Long x Lat = 18.4 9.2 |
| Cen 1c | 13.0922 | -63.9294 | 2.08 | Number of Members = 5; Size (pc) Long x Lat = 7.3 25.4 |
| Cen 1d | 13.2163 | -61.1330 | 1.87 | Number of Members = 7; Size (pc) Long x Lat = 32.6 16.3 |
| Cen 1e | 13.3025 | -62.5020 | 1.82 | Number of Members = 8; Size (pc) Long x Lat = 9.5 3.2 |
| Sco 2a | 12.5470 | -61.7421 | 0.16 | Number of Members = 6; Size (pc) Long x Lat = 15.5 29.5 |
| Sco 2b | 14.0764 | -44.2247 | 0.18 | Number of Members = 8; Size (pc) Long x Lat = 23.0 26.1 |
| Sco 2c | 15.2611 | -42.3941 | 0.16 | Number of Members = 5; Size (pc) Long x Lat = 20.0 12.9 |
| Sco 2d | 16.2361 | -23.9128 | 0.18 | Number of Members = 16; Size (pc) Long x Lat = 40.5 33.2 |
| Hogg 16 | 13.4977 | -61.4297 | 2.22 | Number of Members = 7; Size (pc) Long x Lat = 7.7 31.0 |
| Clust 3 | 14.3053 | -61.1443 | 1.51 | Number of Members = 5; Size (pc) Long x Lat = 23.7 15.8 |
| NGC 5606 | 14.4685 | -59.6303 | 2.90 | Number of Members = 5; Size (pc) Long x Lat = 5.1 5.1 |
| Pis 20 | 15.3223 | -60.1451 | 0.96 | Number of Members = 6; Size (pc) Long x Lat = 26.7 20.1 |
| Nor 1 | 15.9119 | -54.7567 | 1.10 | Number of Members = 6; Size (pc) Long x Lat = 23.0 23.0 |
| R 103a | 16.2935 | -51.8147 | 3.22 | Number of Members = 9; Size (pc) Long x Lat = 39.3 16.8 |
| R 103b | 16.2451 | -51.0705 | 3.00 | Number of Members = 6; Size (pc) Long x Lat = 20.9 15.7 |
| Ara 1a a | 16.6524 | -48.9528 | 1.59 | Number of Members = 26; Size (pc) Long x Lat = 47.0 30.4 |
| Ara 1a b | 16.9838 | -46.1163 | 1.35 | Number of Members = 5; Size (pc) Long x Lat = 4.7 16.5 |
| NGC 6204 | 16.7589 | -47.3086 | 1.94 | Number of Members = 29; Size (pc) Long x Lat = 44.1 61.0 |
| Sco 1 | 16.9061 | -41.5002 | 1.92 | Number of Members = 78; Size (pc) Long x Lat = 77.0 56.9 |
| NGC 6322 | 17.2795 | -42.7436 | 1.30 | Number of Members = 5; Size (pc) Long x Lat = 9.1 22.7 |
| Clust 4 | 17.1164 | -35.6042 | 1.01 | Number of Members = 8; Size (pc) Long x Lat = 31.9 17.7 |
| Sco 4 | 17.2442 | -33.6891 | 1.23 | Number of Members = 8; Size (pc) Long x Lat = 25.7 30.0 |
| Clust 5 | 17.8785 | -38.4587 | 1.27 | Number of Members = 7; Size (pc) Long x Lat = 22.1 24.3 |
| Tr 27 | 17.5448 | -32.9224 | 1.31 | Number of Members = 11; Size (pc) Long x Lat = 34.4 18.3 |
| Sun | 0 | 0 | 0 |