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R Canum Venaticorum

Summary

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]

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

References edit

  1. ^ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
  2. ^ a b c d e Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
  3. ^ a b c d VSX (4 January 2010). "R Canum Venaticorum". AAVSO Website. American Association of Variable Star Observers. Retrieved 26 June 2014.
  4. ^ a b Myers, J. R.; Sande, C. B.; Miller, A. C.; Warren, W. H.; Tracewell, D. A. (2015). "VizieR Online Data Catalog: SKY2000 Master Catalog, Version 5 (Myers+ 2006)". Vizier Online Data Catalog. Bibcode:2015yCat.5145....0M.
  5. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
  6. ^ a b Kervella, Pierre; Arenou, Frédéric; Thévenin, Frédéric (2022). "Stellar and substellar companions from Gaia EDR3. Proper-motion anomaly and resolved common proper-motion pairs". Astronomy and Astrophysics. 657: 657. arXiv:2109.10912. Bibcode:2022A&A...657A...7K. doi:10.1051/0004-6361/202142146. S2CID 237605138.
  7. ^ a b Chandler, Colin Orion; et al. (2016). "The Catalog of Earth-Like Exoplanet Survey Targets (CELESTA): A Database of Habitable Zones Around Nearby Stars". The Astronomical Journal. 151 (3): 59. arXiv:1510.05666. Bibcode:2016AJ....151...59C. doi:10.3847/0004-6256/151/3/59. S2CID 119246448.