Theta2 Crucis
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θ2 Crucis (θ2 Cru / Theta2 Crucis) is a spectroscopic binary star in the constellation Crux. It has a mean apparent magnitude of +4.72m. Since the star is a β Cephei-type variable star, the value is not fixed but varies slightly between +4.70m and +4.74m. The period is 0.0889 days. The star is classified as a blue-white subgiant (spectral class B2 IV). θ2 Crucis is located at about 750 light-years from the Sun.
[edit] References
- SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved on 2007-01-04.
- Samus, N. N.; Durlevich, O. V.; et al. (2004). Combined General Catalogue of Variable Stars (GCVS4.2). Retrieved on 2007-01-04.
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