Xi1 Canis Majoris

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ξ¹ Canis Majoris
Observation data
Epoch J2000.0
Constellation Canis Major
Right ascension 06h31m51.3s
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
The correct title of this article is Xi1 Canis Majoris. It features superscript or subscript characters that are substituted or omitted because of technical limitations.


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

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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