Xi¹ Canis Majoris

For other star systems with this Bayer designation, see Xi Canis Majoris.

**ξ¹ Canis Majoris**
Observation data Epoch J2000.0
Constellation (pronunciation)	Canis Major
Right ascension	06^h31^m51.3^s
Declination	−23°25′06″
Apparent magnitude (V)	+4.34
Distance	2050 ± 900 ly (630 ± 280 pc)
Spectral type	B0.5IV
Other designations
4 Canis Majoris, HR 2387, HD 46328, CD−23°3991, HIP 31125, SAO 171895, GC 8496, ADS 5176, CCDM 06319-2325

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 and its brightness varies from magnitude +4.33 to +4.36 with a period of 5.03 hours.

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