Xi2 Centauri
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- The correct title of this article is Xi2 Centauri. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
- For other star systems with this Bayer designation, see Xi Centauri.
| Observation data Equinox J2000.0 |
|
|---|---|
| Constellation | Centaurus |
| Right ascension | 13h06m54.6s |
| Declination | −49°54′22″ |
| Apparent magnitude (V) | +4.27 |
| Characteristics | |
| Spectral type | B1.5V |
| U-B color index | −0.79 |
| B-V color index | −0.19 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +14 km/s |
| Proper motion (μ) | RA: −26.24 mas/yr Dec.: −12.43 mas/yr |
| Parallax (π) | 7.92 ± 0.81 mas |
| Distance | 412 ly (126 pc) |
| Absolute magnitude (MV) | −1.23 |
| Other designations | |
| Database references | |
| SIMBAD | data |
Xi² Centauri (ξ² Cen / ξ² Centauri) is a double star in the constellation Centaurus. It is approximately 412 light years from Earth.
The primary component, ξ² Centauri A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.27. Its companion, ξ² Centauri B, is a tenth magnitude yellow-white F-type dwarf. The two stars share a common proper motion, inidicating they may be gravitationally bound.
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