- Omicron¹ Canis Majoris
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- For other star systems with this Bayer designation, see Omicron Canis Majoris.
Omicron¹ Canis Majoris Observation data
Epoch J2000 Equinox J2000Constellation Canis Major Right ascension 06h 54m 07.9526s Declination -24° 11′ 03.159″ Apparent magnitude (V) 3.851 Characteristics Spectral type K2.5Iab U−B color index +2.00 B−V color index +1.75 Variable type Pulsating Astrometry Radial velocity (Rv) +36.30 km/s Proper motion (μ) RA: -3.46 mas/yr
Dec.: 5.02 mas/yrParallax (π) 1.65 ± 0.62 mas Distance 1,975.75 ly
(606.06 pc)Absolute magnitude (MV) -5.06 Details Mass 10-12 M☉ Radius 231 R☉ Luminosity 14,500(bolometric) L☉ Temperature 4,165 K Metallicity 0.75 (Fe/H) Rotational velocity (v sin i) < 19 km/s Age Unknown years Other designations Omicron1 Canis Majoris (ο1 CMa, ο1 Canis Majoris) is a star in the constellation Canis Major.
ο1 Canis Majoris is an orange K-type supergiant with a mean apparent magnitude of +3.89. It is approximately 1980 light years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +3.78 to +3.99.
Stars of Canis Major Bayer - α (Sirius)
- β (Mirzam)
- γ (Muliphein)
- δ (Wezen)
- ε (Adhara)
- ζ (Furud)
- η (Aludra)
- θ
- ι
- κ
- λ
- μ
- ν¹
- ν²
- ν³
- ξ¹
- ξ²
- ο¹
- ο²
- π
- σ
- τ
- ω
Flamsteed Nearby Other Categories:- Bayer objects
- Canis Major constellation
- Irregular variables
- K-type supergiants
- Variable star stubs
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