Eta Cassiopeiae A

Cassiopeia

3.44
Apparent Mag
19.42
Distance (ly)
G0V
Spectral Type
5,973
Temperature (K)

Eta Cassiopeiae A (Achird) is the primary of a nearby binary system in Cassiopeia. This Sun-like G0V star is one of the most similar stars to our Sun in terms of mass, temperature, and luminosity.

Stellar Data

Apparent Magnitude3.44
Absolute Magnitude4.59
Distance19.42 light-years
Spectral TypeG0V
Temperature5,973 K
Luminosity1.29 L☉
Radius1.04 R☉
Mass0.97 M☉
Right Ascension00h 49m 06.3s
Declination+57° 48′ 55″
ConstellationCassiopeia

Notable Facts

  • Also known as Achird
  • One of the closest solar analogs
  • Binary companion is a cool K7V dwarf with a beautiful orange-yellow color contrast

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