5 Serpentis

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5 Serpentis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Serpens
Right ascension 15h 19m 18.79710s [1]
Declination +01° 45′ 55.4685″ [1]
Spectral type F8III-IV

5 Serpentis is a star in the constellation Serpens. Its apparent magnitude is 5.10. Located around 25.38 parsecs (82.8 ly) distant, it is a white giant or subgiant of spectral type F8,[1] a star that has used up its core hydrogen and is evolving to become a red giant. The star was once thought to be a BY Draconis variable, but has been found not to be.[2]


  1. ^ a b c "5 Serpentis". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 18 July 2014. 
  2. ^ VSX; Otero, S. A. (13 November 2011). "MQ Serpentis". AAVSO Website. American Association of Variable Star Observers. Retrieved 18 July 2014.