Astronomy:R Canum Venaticorum
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Short description: Star in the constellation Canes Venatici
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| 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[2] mas |
| Distance | 1,500 ± 90 ly (460 ± 30 pc) |
| Details | |
| Mass | 2.26[6] M☉ |
| Radius | 664[6] R☉ |
| Luminosity | 29,251[7] L☉ |
| Temperature | 3,108[7] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
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]
References
- ↑ "Download Data". AAVSO. https://www.aavso.org/data-download.
- ↑ 2.0 2.1 2.2 2.3 2.4 Brown, A. G. A. (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics 649: A1. doi:10.1051/0004-6361/202039657. Bibcode: 2021A&A...649A...1G. Gaia EDR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 3.3 VSX (4 January 2010). "R Canum Venaticorum". AAVSO Website. American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=5018. Retrieved 26 June 2014.
- ↑ 4.0 4.1 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.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759–771. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ 6.0 6.1 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. doi:10.1051/0004-6361/202142146. Bibcode: 2022A&A...657A...7K.
- ↑ 7.0 7.1 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. doi:10.3847/0004-6256/151/3/59. Bibcode: 2016AJ....151...59C.
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