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
RX J0112.5+1704, 1RXS J011235.6+170401, 2MASS J01123504+1703557[1]
Database references
SIMBADdata

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 4 "V* GU Psc". SIMBAD. 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 (published May 2014). 787 (1): 16. Bibcode:2014ApJ...787....5N. arXiv:1405.2932 Freely accessible. doi:10.1088/0004-637X/787/1/5. 5.
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