Stock 16
| Stock 16 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Centaurus |
| Right ascension | 13 19 29 [1] |
| Declination | -62 38.0 |
| Distance | 6200 ly (1900 pc) |
| Apparent dimensions (V) | 18' x 13' |
| Physical characteristics | |
| Estimated age | 4–6 Myr |
| Other designations | C 1315-623, RCW 75, Gum 48a |
Stock 16 is a very young Galactic open cluster in the H II region RCW 75 (= Gum 48a). This region lies at the end of an "elephant trunk" shaped molecular cloud and may be a region with triggered star formation. The primary ionizing source for the H II region is the star HD 115455, with spectral type O7.5 III.