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Beta Cancri
  CATEGORIES ABOUT BETA CANCRI
   
bayer objects
   
cancri, beta
   
cancer constellation
   
binary stars
   
orange giants
   
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  Epoch J20000
  Constell Cancer
  Ra 08<sup>h</sup>16<sup>m</sup>309<sup>s</sup>
  Dec +9°11′08″
  Spectral K4IIIBa05
  Appmag V +353
  Dist Ly 290 ± 25
  Dist Pc 89 ± 8
  Names Altarf, Al Tarf, Tarf, 17&nbspCancri, HR &nbsp3249, HD &nbsp69267, BD +09°1917, FK5 &nbsp312, HIP &nbsp40526, SAO &nbsp116569, GC&nbsp11254, ADS &nbsp6704, CCDM&nbsp08165+0911


Beta Cancri (β Cnc / β Cancri) is the brightest Star in the Constellation Cancer . It also has the traditional name '''Altarf''', also known as al-Tarf ( Arabic for "the tip"). It is approximately 290 Light Years from Earth .

The primary component, β Cancri A, is an orange K-type Giant with an Apparent Magnitude of +3.53. It has a faint, fourteenth magnitude companion, '''β Cancri B''', located 29 Arcsecond s from the primary.