HD 89998
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Vela |
| Right ascension | 10h 22m 19.58477s[1] |
| Declination | −41° 38′ 59.8592″[1] |
| Apparent magnitude (V) | 4.82[2] |
| Characteristics | |
| Spectral type | K1 III[3] |
| B−V color index | 1.095±0.055[2] |
| Absolute magnitude (MV) | 0.84[2] |
| Details | |
| Radius | 11.6[5] R☉ |
| Luminosity | 54.04[6] L☉ |
| Temperature | 4,812[6] K |
| Database references | |
| SIMBAD | data |
HD 89998 (r Velorum) is a singlelight years. The star is moving further from the Earth with a heliocentric radial velocity of +21 km/s,[4] having come within 140 ly some 1.552 million years ago.[2]
This is an
References
- ^ .
- ^ S2CID 119257644.
- ^ Bibcode:1978mcts.book.....H.
- ^ S2CID 59451347, A61.
- ^ ISBN 3-540-29692-1. The radius (R*) is given by:
- ^ S2CID 118665352.
- ^ "HD 85622". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-08-08.
- S2CID 14878976.
- .
