Ruprecht 44
Ruprecht 44 is an open cluster in the Milky Way galaxy. It is about 6,600 pc away in the constellation Puppis. Ruprecht 44 is a very young open cluster, only about several million years old.
| Star name | LSS number | Effective temperature | Absolute magnitude | Bolometric magnitude | Mass | Spectral type | Ref. |
| WR 10 | LSS 916 | 63000 | -4.2 | -8.5 | 25 | WN4.5 | |
| LSS 891 | 37200 | -4.4 | -8 | 27 | O8III | ||
| LSS 898 | 35100 | -4.3 | -7.7 | 24 | Be | ||
| LSS 902 | 31600 | -4.7 | -7.9 | 23 | B0V | ||
| LSS 920 | 34700 | -3.7 | -7.1 | 21 | O9.5V | ||
| LSS 907 | 31600 | -4.3 | -7.4 | 20 | B0V |