A Centauri
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A Centauri
This article is about "A Centauri". For "a Centauri", see V761 Centauri. For "α Centauri", see Alpha Centauri.
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| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Centaurus |
| Right ascension | 11h34m45.7s |
| Declination | −54°15′51″ |
| Apparent magnitude (V) | +4.62 |
| Characteristics | |
| Spectral type | B9Ve |
| U−B color index | −0.21 |
| B−V color index | −0.08 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +3 km/s |
| Proper motion (μ) | RA: −55.55 mas/yr Dec.: 16.64 mas/yr |
| Parallax (π) | 7.04 ± 0.58 mas |
| Distance | 460 ± 40 ly (140 ± 10 pc) |
| Absolute magnitude (MV) | −1.13 |
| Other designations | |
| Database references | |
| SIMBAD | data |
A Centauri (A Cen) is a star in the constellation Centaurus. It is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.62 and is approximately 460 light years from Earth.
External links
- Wikisky image of HD 100673 (A Centauri)
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