R Trianguli Australis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Triangulum Australe |
| Right ascension | 15h 19m 45.71327s [1] |
| Declination | −66° 29′ 45.7293″ [1] |
| Apparent magnitude (V) | 6.33 - 6.90[2] |
| Spectral type | F5Ib/II-G5[2] |
R Trianguli Australis is a star in the constellation Triangulum Australe. A Cepheid variable, its apparent magnitude ranges from 6.33 to 6.90 over 3.38926 days.[2] It is a yellow-white supergiant that pulsates between spectral types F5Ib/II-G5.[2] Its radius is 29.7 times that of the Sun.[3]
References
- 1 2 "R Trianguli Australis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 23 May 2015.
- 1 2 3 4 Watson, Christopher (4 January 2010). "R Trianguli Australis". AAVSO Website. American Association of Variable Star Observers. Retrieved 23 May 2015.
- ↑ 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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