HD 72108
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Vela |
| Right ascension | 08h 29m 04.752s[1] |
| Declination | –47° 55′ 44.12″[1] |
| Apparent magnitude (V) | +5.33 |
| Characteristics | |
| Spectral type | B2IV + B2IV[2] |
| Astrometry | |
| Proper motion (μ) | RA: –6.90 ± 0.43[1] mas/yr Dec.: 7.12 ± 0.34[1] mas/yr |
| Parallax (π) | 1.53 ± 0.34[1] mas |
| Distance | approx. 2,100 ly (approx. 700 pc) |
| Absolute magnitude (MV) | –1.06 |
| Details | |
| Other designations | |
HD 72108 (A Vel, A Velorum) is a star system in the constellation Vela. It is approximately 1640 light years from Earth.
The primary component, HD 72108 A, is a blue-white B-type subgiant with an apparent magnitude of +5.33. It is a spectroscopic binary, whose components are separated by 0.176 arcseconds. At a distance of 4 arcseconds away is the third component, the magnitude +7.7 HD 72108 B. The fourth component, HD 72108 C has an apparent magnitude of +9.3, and is 19 arcseconds from the primary.
The star, A Velorum, should not be confused with a Velorum; note capitalization difference.
References
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