R Crucis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Crux |
| Right ascension | 12h 23m 37.68922s [1] |
| Declination | −61° 37′ 44.8546″ [1] |
| Spectral type | F6-G2Ib-II[2] |
R Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 6.4 to 7.23 over 5.82575 days.[2] It is a yellow-white supergiant that pulsates between spectral types F6Ib-II and G2Ib-II.[2] The radius is 44.6 times that of the Sun.[3]
References
- ^ a b "R Crucis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 12 March 2014.
- ^ a b c Watson, Christopher (4 January 2010). "R Crucis". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 March 2014.
- ^ Moskalik, P.; Gorynya, N. A. (2005). "Mean Angular Diameters and Angular Diameter Amplitudes of Bright Cepheids". Acta Astronomica. 55: 247. arXiv:astro-ph/0507076. Bibcode:2005AcA....55..247M.
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