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R Canum Venaticorum

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R Canum Venaticorum
Observation data
Epoch J2000      Equinox J2000
Constellation Canes Venatici
Right ascension 13h 48m 57.0435s[1]
Declination +39° 32′ 33.191″[1]
Apparent magnitude (V) 7.40[1]
Characteristics
Spectral type M6.5-9e[1]
B−V color index 2.60[1]
Variable type Mira variable[2]
Astrometry
Radial velocity (Rv)-6.80[1] km/s
Proper motion (μ) RA: 1.10[1] mas/yr
Dec.: -6.79[1] mas/yr
Parallax (π)1.04 ± 1.32 mas[1]
Absolute magnitude (MV)−2.52
Other designations
R CVn, SAO 63763, GSC 03027-00252, BD+40°2694, HD 120499, DO 14814, GC 18671, HIP 67410
Database references
SIMBADdata

R Canum Venaticorum is a Mira variable star in the constellation Canes Venatici. It ranges between magnitudes 6.5 and 12.9 over a period of approximately 329 days.[2]

References

  1. ^ a b c d e f g h i "R Canum Venaticorum". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 26 June 2014.
  2. ^ a b VSX (4 January 2010). "R Canum Venaticorum". AAVSO Website. American Association of Variable Star Observers. Retrieved 26 June 2014.


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