Eta Canis Minoris

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η Canis Minoris A/B
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Canis Minor
Right ascension 07h28m02.1s
Declination +6°56′31″
Apparent magnitude (V) +5.22/+11.1
Distance 351 ± 36 ly
(108 ± 11 pc)
Spectral type F0III
Other designations
5 Canis Minoris, HR 2851, HD 58923, BD+07°1729, HIP 36265, SAO 115477, GC 9970, ADS 6101, CCDM 07280+0657
Star map of the 25 brightest stars in Canis Minor. Eta Canis Minoris is circled.

Eta Canis Minoris (η CMi, η Canis Minoris) is a binary star in the constellation Canis Minor. It is approximately 351 light years from Earth.

The primary component, η Canis Minoris A, is a yellow-white F-type giant with an apparent magnitude of +5.24.,[1] Its companion, η Canis Minoris B, is an eleventh magnitude star located 4 arcseconds from the primary, though is actually around 440 AU from the main star and takes around 5000 years to orbit it.[2]


  1. ^ "Eta Canis Minoris". SIMBAD. Retrieved 25 May 2012. 
  2. ^ Kaler, Jim. "Eta and Delta-1 CMi". Stars. University of Illinois. Retrieved 22 August 2012.