Xi1 Canis Majoris
From Infogalactic: the planetary knowledge core
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| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Centaurus |
| Right ascension | 06h 31m 51.3s |
| Declination | −23° 25′ 06″ |
| Apparent magnitude (V) | +4.34 |
| Characteristics | |
| Spectral type | B1 III[1] |
| Variable type | β Cep[1] |
| Astrometry | |
| Distance | 2050 ± 900 ly (630 ± 280 pc) |
| Details | |
| Mass | 13.7 ± 0.9[1] M☉ |
| Radius | 7.1 ± 0.9[1] R☉ |
| Luminosity | 25,000[1] L☉ |
| Surface gravity (log g) | 3.83 ± 0.20[1] cgs |
| Temperature | 27,100 ± 1,200[1] K |
| Rotational velocity (v sin i) | 20 ± 7[1] km/s |
| Other designations | |
Xi1 Canis Majoris (ξ1 CMa, ξ1 Canis Majoris) is a star in the constellation Canis Major. It is approximately 2051 light years from Earth.
ξ1 Canis Majoris is a blue-white B-type subgiant with a mean apparent magnitude of +4.34. It is classified as a Beta Cephei type variable star[1] and its brightness varies from magnitude +4.33 to +4.36 with a period of 5.03 hours.
References
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