C1 Centauri
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- The correct title of this article is C1 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 C Centauri.
| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation | Centaurus |
| Right ascension | 11h35m13.2s |
| Declination | −47°22′21″ |
| Apparent magnitude (V) | +5.64 |
| Spectral 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: −87.27 mas/yr Dec.: −7.70 mas/yr |
| Parallax (π) | 5.00 ± 0.72 mas |
| Distance | 652 ly (200 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 652 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.
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