RT Trianguli Australis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Triangulum Australe |
| Right ascension | 16h 34m 30.89188s [1] |
| Declination | −63° 08′ 00.8395″ [1] |
RT Trianguli Australis, or RT TrA, is a BL Herculis variable (type II Cepheid) in the constellation of Triangulum Australe.[1] It ranges between apparent magnitudes 8.1 and 9.79 over a period of 22 days.[2] It is unusual in that it is a carbon-rich type II Cepheid.[3]
References
- ↑ 1.0 1.1 1.2 SIMBAD, RT Trianguli Australis (accessed 13 July 2014)
- ↑ Watson, Christopher (4 January 2010). "RT Trianguli Australis". AAVSO Website. American Association of Variable Star Observers. Retrieved 13 July 2014.
- ↑ Wallerstein, George; Matt, Sean; Gonzalez, Guillermo (2000), "The Carbon Cepheid RT Trianguli Australis: Additional Evidence of Triple-α and CNO Cycling", Monthly Notices of the Royal Astronomical Society 311 (2): 414–22, Bibcode:2000MNRAS.311..414W, doi:10.1046/j.1365-8711.2000.03064.x
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