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 | |
| Distance | 48[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 2 3 "V* GU Piscium -- Variable of RS CVn type". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 5 July 2014.
- 1 2 BSJ (11 November 2011). "GU Piscium". AAVSO Website. American Association of Variable Star Observers. Retrieved 5 July 2014.
- 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. arXiv:1405.2932
. Bibcode:2014ApJ...787....5N. doi:10.1088/0004-637X/787/1/5. 5.
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