Theta Canis Majoris
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Canis Major |
Right ascension | 06h 54m 11.4s |
Declination | −12° 02′ 19″ |
Apparent magnitude (V) | +4.08 |
Distance | 252 ± 17 ly (77 ± 5 pc) |
Spectral type | K4III |
Other designations | |
Theta Canis Majoris (θ CMa, θ Canis Majoris) is a star in the constellation Canis Major.
θ Canis Majoris is an orange K-type giant with an apparent magnitude of +4.08 located approximately 252 light years from Earth. This star is about the same mass as the Sun, but it has 30 times the Sun's radius.and is thought to be around 8 billion years old.[1]
References
- ↑ da Silva, L.; et al. (November 2006), "Basic physical parameters of a selected sample of evolved stars", Astronomy and Astrophysics, 458 (2): 609–623, arXiv:astro-ph/0608160, Bibcode:2006A&A...458..609D, doi:10.1051/0004-6361:20065105
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