  | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 49m 14.29536s [1] |
| Declination | −46° 22′ 23.5422″ [1] |
| Apparent magnitude (V) | 4.11 [2] |
| Characteristics | |
| Spectral type | B0III [3] |
| U−B color index | −1.01 [2] |
| B−V color index | −0.18 [2] |
| Astrometry | |
| Radial velocity (Rv) | +24.00 [4] km/s |
| Proper motion (μ) | RA: −4.37 [1] mas/yr Dec.: +8.66 [1] mas/yr |
| Parallax (π) | 1.98±0.28 mas [1] |
| Distance | approx. 1,600 ly (approx. 510 pc) |
| Absolute magnitude (MV) | −4.37 [5] |
| Details | |
| Mass | 19.3 [6] M☉ |
| Luminosity | 3209 [5] L☉ |
| Surface gravity (log g) | 3.95 [7] cgs |
| Temperature | 31,200 [7] K |
| Metallicity [Fe/H] | +0.16 [5] dex |
| Rotational velocity (v sin i) | 49 [3] km/s |
| Other designations | |
| P Puppis, CD−46°3458, CCDM J07493-4622A, GC 10576, GSC 08134-03515, HIP 38164, HR 3055, HD 63922, SAO 219035, WDS J07492-4622Aa,Ab | |
| Database references | |
| SIMBAD | data |
HD 63922 is a class B0III [3] (blue giant) star in the constellation Puppis. Its apparent magnitude is 4.11 [2] and it is approximately 1600 light years away based on parallax. [1]
It is a multiple star; the primary has one close companion, Ab, at 0.3" separation and magnitude 7.19, and a more distant one, B, at 59.1" and 8.79 magnitude. [8]
