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Eta Andromedae
  CATEGORIES ABOUT ETA ANDROMEDAE
   
bayer objects
   
andromedae, eta
   
andromeda constellation
   
spectroscopic binaries
   
yellow giants
   
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  Epoch J20000
  Constell Andromeda
  Ra 00<sup>h</sup> 57<sup>m</sup> 124<sup>s</sup>
  Dec +23&deg 25' 03"
  Spectral G8IIIb
  Appmag V +440
  Dist Ly 243 &plusmn 14
  Dist Pc 74 &plusmn 4
  Names 38&nbspAndromedae, HR &nbsp271,<BR/> HD &nbsp5516, BD +22&deg153,<BR/>FK5&nbsp2060, HIP &nbsp4463,<BR/> SAO &nbsp74388, GC&nbsp1136,<BR/>CCDM&nbsp00572+2325


Eta Andromedae (η And / η Andromedae) is a Star System in the Constellation Andromeda . It is approximately 243 Light Years from Earth .

The primary component, η Andromedae A, is a yellow G-type Giant with an Apparent Magnitude of +4.40. It is a Spectroscopic Binary whose components have an orbital period of 115.7 days. It's companion '''η Andromedae B''', is 133.4 Arcsecond s away and has an apparent magnitude of +11.5.