Q Centauri
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Centaurus |
| Right ascension | 13h41m44.7s |
| Declination | −54°33′36″ |
| Apparent magnitude (V) | +4.99 (+5.7/+7.1) |
| Characteristics | |
| Spectral type | B8Vn/A0V |
| U-B color index | −0.23 |
| B-V color index | −0.05 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +10 km/s |
| Proper motion (μ) | RA: −43.65 mas/yr Dec.: −24.58 mas/yr |
| Parallax (π) | 12.05 ± 0.89 mas |
| Distance | 271 ± 20 ly (83.0 ± 6.1 pc) |
| Absolute magnitude (MV) | +0.39 (+1.1/+2.5) |
| Other designations | |
| Database references | |
| SIMBAD | data |
Q Centauri (Q Cen) is a binary star in the constellation Centaurus. It has a combined apparent magnitude of +4.99 and is approximately 271 light years from Earth.
The primary component, Q Centauri A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.7. Its companion, Q Centauri B, is a white A-type main sequence dwarf with an apparent magnitude of +7.1. The two stars are separated by 5.5 arcseconds on the sky.
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