V4650 Sagittarii
V4650 Sgr is the very bright object just off the left edge of this image of the Quintuplet Cluster, with only its diffraction spikes visible. Credit: HST\NIMCOS (WFC3) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 17h 46m 17.982s |
| Declination | −28° 49′ 03.46″ |
| Characteristics | |
| Evolutionary stage | LBV |
| Apparent magnitude (B) | 19.3 |
| Apparent magnitude (R) | 16.4 |
| Apparent magnitude (J) | 12.310 |
| Apparent magnitude (H) | 8.970 |
| Apparent magnitude (K) | 7.090 |
| Variable type | LBV |
| Astrometry | |
| Distance | 8,000 pc |
| Details | |
| Mass | 46 M☉ |
| Radius | 350 R☉ |
| Luminosity | 1,770,000 L☉ |
| Temperature | 11,300 K |
| Other designations | |
| V4650 Sagittarii, qF 362, 2MASS J17461798-2849034, SSTGC 629806 | |
| Database references | |
| SIMBAD | data |
V4650 Sagittarii (qF362) is a luminous blue variable star (LBV) in the constellation of Sagittarius. Located some 25,000 light years away, the star is positioned on the edge of a starburst cluster known as the Quintuplet cluster.