HY Velorum
| Observation data Epoch J2000 Equinox J2000 | ||
|---|---|---|
| Constellation | Vela | |
| Right ascension | 08h 42m 25.38667s[2] | |
| Declination | −53° 06′ 50.3324″[2] | |
| Apparent magnitude (V) | 4.81 - 4.86[3] | |
| Characteristics | ||
| Spectral type | B3 IV[4] | |
| B−V color index | −0.173±0.007[5] | |
| Variable type | SPB[3] | |
| Absolute magnitude (MV) | −1.25[5] | |
Semi-amplitude (K1)(primary) | 8.0±0.3 km/s | |
| Details | ||
| HY Vel Aa | ||
Myr | ||
| Database references | ||
| SIMBAD | data | |
HY Velorum is a
″ along a position angle of 311°.[14]
This is a single-lined
semimajor axis and i is the (unknown) orbital inclination
to the line of sight.
The primary is a
subgiant star.[4]
References
- Bibcode:1985A&A...152....6W. Retrieved 30 April 2022.
- ^ .
- ^ Bibcode:2009yCat....102025S.
- ^ Bibcode:1978mcts.book.....H.
- ^ S2CID 119257644.
- ^ S2CID 18759600.
- ^ Bibcode:2000A&A...355.1015D.
- ^ S2CID 119194953.
- ^ .
- S2CID 119108982.
- ^ "HD 74560". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 16 August 2018.
- S2CID 14878976.
- Bibcode:2007ASPC..364..237D.
- doi:10.1086/323920
