| Molecular cloud | |
|---|---|
| Giant molecular cloud | |
| H II region | |
 NGC 3603 in visible and near infrared light | |
| Observation data: J2000 epoch | |
| Right ascension | 11h 15m 23s[1] |
| Declination | −61° 15′ 00″[1] |
| Distance | 6,900[2] pc |
| Apparent magnitude (V) | 9.1[3] |
| Apparent diameter | 12.0'[3] |
| Constellation | Carina |
| Designations | Gum 38b, Collinder 244 |
NGC 3603 is a nebula situated in the Carina–Sagittarius Arm of the Milky Way around 20,000 light-years away from the Solar System. It is a massive H II region containing a very compact open cluster (probably a super star cluster) HD 97950.
- ^ a b Kharchenko, N. V.; Piskunov, A. E.; Schilbach, E.; Röser, S.; Scholz, R.-D. (2013). "Global survey of star clusters in the Milky Way. II. The catalogue of basic parameters". Astronomy & Astrophysics. 558: A53. arXiv:1308.5822. Bibcode:2013A&A...558A..53K. doi:10.1051/0004-6361/201322302. S2CID 118548517.
- ^ Pang, Xiaoying; Grebel, Eva K.; Allison, Richard J.; Goodwin, Simon P.; Altmann, Martin; Harbeck, Daniel; Moffat, Anthony F. J.; Drissen, Laurent (2013). "On the Origin of Mass Segregation in NGC 3603". The Astrophysical Journal. 764 (1): 73. arXiv:1212.4566. Bibcode:2013ApJ...764...73P. doi:10.1088/0004-637X/764/1/73. S2CID 119199840.
- ^ a b Sinnott, Roger W. (1988). "The complete new general catalogue and index catalogues of nebulae and star clusters by J. L. E. Dreyer". Cambridge: Sky Publishing Corporation and Cambridge University Press. Bibcode:1988cngc.book.....S.