GU Piscium

GU Piscium

Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Pisces
Right ascension 01h 12m 35.04s[1]
Declination 17° 03 55.7[1]
Apparent magnitude (V) 12.96 - 13.24
Characteristics
Spectral type M3[2]
Astrometry
Distance48[3] pc
Other designations

GU Piscium is a star in the constellation Pisces.[1] An RS Canum Venaticorum variable, it ranges from magnitude 12.96 to 13.24 over 1.04 days.[2] It is 48 Parsecs (160 light-years) distant from Earth.[3]

In 2014, it was found to have a gas giant planet—GU Piscium b—orbiting it.[3]

References

  1. 1 2 3 "V* GU Piscium -- Variable of RS CVn type". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 5 July 2014.
  2. 1 2 BSJ (11 November 2011). "GU Piscium". AAVSO Website. American Association of Variable Star Observers. Retrieved 5 July 2014.
  3. 1 2 3 Marie-Eve Naud, Étienne Artigau, Lison Malo, Loïc Albert, René Doyon, David Lafrenière, Jonathan Gagné, Didier Saumon, Caroline V. Morley, France Allard, Derek Homeier, Charles A. Beichman, Christopher R. Gelino, Anne Boucher (12 May 2014). "Discovery of a Wide Planetary-mass Companion to the Young M3 Star GU Psc". The Astrophysical Journal (May 2014) 787 (1): 16. arXiv:1405.2932. Bibcode:2014ApJ...787....5N. doi:10.1088/0004-637X/787/1/5. 5.


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