R Canum Venaticorum

R Canum Venaticorum

The visual band light curve of R Canum Venaticorum, from AAVSO data[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Canes Venatici
Right ascension 13h 48m 57.0416s[2]
Declination +39° 32′ 33.174″[2]
Apparent magnitude (V) 6.5 - 12.9[3]
Characteristics
Spectral type M5.5e-M9e[3]
U−B color index +0.41[4]
B−V color index +1.22[4]
Variable type Mira[3]
Astrometry
Radial velocity (Rv)−6.80[5] km/s
Proper motion (μ) RA: −1.115[2] mas/yr
Dec.: −5.148[2] mas/yr
Parallax (π)2.1711 ± 0.1262 mas[2]
Distance1,500 ± 90 ly
(460 ± 30 pc)
Details
Mass2.26[6] M☉
Radius664[6] R☉
Luminosity29,251[7] L☉
Temperature3,108[7] K
Other designations
R CVn, SAO 63763, GSC 03027-00252, BD+40°2694, HD 120499, DO 14814, GC 18671, HIP 67410, HR 5199
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.[3]

  1. ^ Cite error: The named reference aavso was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference edr3 was invoked but never defined (see the help page).
  3. ^ a b c d Cite error: The named reference AAVSO was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference myers2006 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference rv was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference kervella2022 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference chandler2016 was invoked but never defined (see the help page).