Star in Cassiopeia

Achird

η Cas HR 219 HIP 3821 magnitude 3.46

The proper name Achird was apparently first applied to Eta Cassiopeiae in the Skalnate Pleso Atlas of the Heavens published in Slovacia in 1950, but is not known prior to that.

How this page is made

Astronomy

Official IAU information

Designation

HR 219

HIP

3821

Bayer ID

η Cas

Visual magnitude

3.46

Right ascension (J2000)

12.2762°

Declination (J2000)

57.8152°

IAU adoption

2017/09/05

Name origin

The proper name Achird was apparently first applied to Eta Cassiopeiae in the Skalnate Pleso Atlas of the Heavens published in Slovacia in 1950, but is not known prior to that.