S Trianguli Australis

S Trianguli Australis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Triangulum Australe
Right ascension 16h 01m 10.71648s [1]
Declination −63° 46′ 35.5350″ [1]
Apparent magnitude (V) 5.95 - 6.81[2]
Spectral typeF6II-G2[2]

S Trianguli Australis is a star in the constellation Triangulum Australe. A Cepheid variable, its apparent magnitude ranges from 5.95 to 6.81 over 6.32344 days.[2] It is a yellow-white supergiant that pulsates between spectral types F6II-G2.[2] Its radius is 47.4 times that of the Sun.[3]

References

  1. 1 2 "S Trianguli Australis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 23 May 2015.
  2. 1 2 3 4 Watson, Christopher (4 January 2010). "S Trianguli Australis". AAVSO Website. American Association of Variable Star Observers. Retrieved 23 May 2015.
  3. ↑ Moskalik, P.; Gorynya, N. A. (2005). "Mean Angular Diameters and Angular Diameter Amplitudes of Bright Cepheids". Acta Astronomica. 55: 247. Bibcode:2005AcA....55..247M. arXiv:astro-ph/0507076 Freely accessible.


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