Beta Andromedae

Encyclopedia : B : BE : BET : Beta Andromedae

|- ! style="background-color: #FFFFC0;" colspan="2" | Details |- |style="vertical-align: baseline;" | Mass | M_☉ |- |style="vertical-align: baseline;" | Radius | R_☉ |- |style="vertical-align: baseline;" | Luminosity | L_☉ |- |style="vertical-align: baseline;" | Temperature | K |- |style="vertical-align: baseline;" | Metallicity | |- |style="vertical-align: baseline;" | Rotation | |- |style="vertical-align: baseline;" | Age | })<()or(}})=()and(}})<())}}} years

Mirach, Merach, Mirac, Mirak, al Mizar, 43 Andromedae, Gl 53.3, HR 337, BD +34°198, HD 6860, LTT 10420, GCTP 238.00, SAO 54471, FK5 42, GC 1400, ADS 949, CCDM 01097+3537 HIP 5447.

|} Beta Andromedae (β And / β Andromedae) is a star in the constellation Andromeda. It also has the traditional name Mirach.

Mirach is a red giant of spectral class M0, approximately 200 light years away, with a mean apparent magnitude of 2.07. It is classified as a semiregular variable star and its brightness varies from magnitude +2.01 to +2.10.

Close by (in terms of celestial coordinates) is the galaxy known as Mirach's Ghost.

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