Lambda Andromedae

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λ Andromedae
Observation data
Epoch J2000.0
Constellation Andromeda
Right ascension 23h 37m 33.9s
Declination +46° 27' 29"
Apparent magnitude (V) +3.81
Distance 84.2 ± 1.5 ly
(25.8 ± 0.5 pc)
Spectral type G8III-IV
Other designations
16 Andromedae, Wo 9832,
HR 8961, HD 222107,
BD+45°4283, FK5 890,
HIP 116584, SAO 53204,
GC 32832, CCDM 23377+4627

Lambda Andromedae (λ And / λ Andromedae) is a binary star in the constellation Andromeda. It is approximately 84.2 light years from Earth.

Lambda Andromedae is a spectroscopic binary with an orbital period of 20.52 days. It is classified as a yellow G-type giant with a mean apparent magnitude of +3.81. The binary system is an RS Canum Venaticorum variable and its brightness varies from magnitude +3.69 to +3.97 with a period of 54.2 days.

[edit] Location

This star's location in the constellation Andromeda can be seen in the following diagram:

Diagram of Andromeda constellation
Enlarge
Diagram of Andromeda constellation


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