Pi Canis Majoris

π Canis Majoris
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Canis Major
Right ascension 06h 55m 37.4s [1]
Declination −20° 08′ 11″[1]
Apparent magnitude (V) +4.66
Absolute magnitude (V)2.06[2]
Distance95.3 ± 2.0 ly
(29.2 ± 0.6 pc)
Spectral typeF2IV/V
Other designations
19 Canis Majoris, HR 2590, HD 51199, BD −19° 1610, HIP 33302, SAO 172579, GC 9096, ADS 5602, CCDM 06556-2008

Pi Canis Majoris (π CMa, π Canis Majoris), also known as 19 Canis Majoris, is a star in the constellation Canis Major located approximately 96 light years from Earth.[1]

Pi Canis Majoris A is a yellow-white F-type subgiant with an apparent magnitude of +4.68.

It has a projected rotational velocity of 91.7±4.6 km/s and an effective temperature of 6,730 K.[2]

References

  1. 1 2 3 "19 Canis Majoris - Variable Star". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 14 March 2014.
  2. 1 2 Reiners, A. (January 2006), "Rotation- and temperature-dependence of stellar latitudinal differential rotation", Astronomy and Astrophysics, 446 (1): 267–277, Bibcode:2006A&A...446..267R, arXiv:astro-ph/0509399 Freely accessible, doi:10.1051/0004-6361:20053911.
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