C1 Centauri
From Infogalactic: the planetary knowledge core
- For other star systems with this Bayer designation, see C Centauri.
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Centaurus |
| Right ascension | 11h 35m 13.282s[1] |
| Declination | −47° 22′ 21.29″[1] |
| Apparent magnitude (V) | +5.64 |
| Characteristics | |
| Spectral type | M3III |
| U−B color index | +1.93 |
| B−V color index | +1.66 |
| Variable type | semiregular |
| Astrometry | |
| Radial velocity (Rv) | +18 km/s |
| Proper motion (μ) | RA: -87.81 ± 0.30[1] mas/yr Dec.: -7.46 ± 0.37[1] mas/yr |
| Parallax (π) | 4.52 ± 0.49[1] mas |
| Distance | approx. 720 ly (approx. 220 pc) |
| Absolute magnitude (MV) | −0.86 |
| Other designations | |
| Database references | |
| SIMBAD | data |
C1 Centauri (C1 Cen) is a star in the constellation Centaurus. It is approximately 720 light years from Earth.
C1 Centauri A is a M-type red giant with a mean apparent magnitude of +5.64. It is classified as a semiregular variable star and its brightness varies from magnitude +5.55 to +5.80 with a period of 60 days.
References
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