R Canum Venaticorum
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]
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[1] mas |
Absolute magnitude (MV) | −2.52 |
Other designations | |
Database references | |
SIMBAD | data |
References
- "R Canum Venaticorum". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 26 June 2014.
- VSX (4 January 2010). "R Canum Venaticorum". AAVSO Website. American Association of Variable Star Observers. Retrieved 26 June 2014.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.