C¹ Centauri

C¹ Centauri
For other star systems with this Bayer designation, see C Centauri.
C1 Centauri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Centaurus
Right ascension 11h35m13.2s
Declination −47°22′21″
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: −87.27 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
V763 Centauri, HR 4463, HD 100733, CD−46°7199, HIP 56518, SAO 222887, GC 15886, CCDM J11352-4722
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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