Carina OB2

Carina OB2 is a giant OB association in the constellation Carina. It contains anywhere from 91 to 157 stars, many of which are hot blue stars of spectral types B and O. It is located 3.1 kiloparsecs distant and is around 4 million years old.[1]

  1. ^ Garcia, Beatriz (1994). "A study of Carina OB2 association. 2: Analysis and discussion of the data". Astrophysical Journal, Part 1. 436 (2): 705–19. Bibcode:1994ApJ...436..705G. doi:10.1086/174944.