S Crucis

S Crucis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Crux
Right ascension 12h 54m 21.99798s[1]
Declination −58° 25′ 50.2136″[1]
Spectral typeF6-G1Ib-II[2]
Other designations
CD−57° 4766, HD 112044, HIP 62986, HR 4895, SAO 240362[1]

S Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 6.22 to 6.92 over 4.68997 days.[2] It is a yellow-white supergiant that pulsates between spectral types F6Ib-II and G1Ib-II.[2] Its radius is 65.1 times that of the Sun.[3]

References

  1. 1 2 3 "V* S Cru". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 12 March 2014.
  2. 1 2 3 Watson, Christopher (4 January 2010). "S Crucis". AAVSO Website. American Association of Variable Star Observers. Retrieved 12 March 2014.
  3. ↑ 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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