V810 Centauri

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V810 Cen A/B
Observation data
Epoch J2000      Equinox J2000
Constellation Centaurus
Right ascension 11h 43m 31.193s[1]
Declination –62° 29′ 21.82″[1]
Apparent magnitude (V) 5.02
Characteristics
Spectral type F9I / B0
Variable type Cepheid variable Star
Astrometry
Radial velocity (Rv) 10.1 km/s
Proper motion (μ) RA: –5.74 ± 0.21[1] mas/yr
Dec.: 1.30 ± 0.17[1] mas/yr
Parallax (π) 0.46 ± 0.22[1] mas
Distance approx. 7,000 ly
(approx. 2,000 pc)
Absolute magnitude (MV) -7.9
Details
Mass 25-30/20 M
Radius 420-500 / 12 R
Luminosity 320,000/120,000 L
Temperature 6150K/30000K K
Age 6-10 million years
Other designations
HIP 57175, SAO 251555, CD-61° 3163, HR 4511, CPD-61° 2559, HD 101947.
Database references
SIMBAD data

V810 Centauri is a semiregular variable star.

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry