2.05
Apparent Mag199
Distance (ly)M0IIIa
Spectral Type3,842
Temperature (K)Mirach is a red giant in Andromeda. It is useful for finding the Andromeda Galaxy, as M31 lies along a line through Mirach.
Stellar Data
Apparent Magnitude2.05
Absolute Magnitude-1.86
Distance199 light-years
Spectral TypeM0IIIa
Temperature3,842 K
Luminosity1,995 L☉
Radius100 R☉
Mass3.5 M☉
Right Ascension01h 09m 43.9s
Declination+35° 37′ 14.0″
ConstellationAndromeda
Notable Facts
- Mirach is used as a guide star for finding the Andromeda Galaxy
- Its name means the girdle in Arabic
- Mirach's Ghost (NGC 404) is a dwarf galaxy visible nearby