Omicron Piscium

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Omicron Piscium
Diagram showing star positions and boundaries of the Pisces constellation and its surroundings
Cercle rouge 100%.svg

Location of ο Piscium(circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Pisces
Right ascension 015h 45m 23.6s
Declination +09° 09′ 28″
Apparent magnitude (V) 4.27[1]
Spectral type K0 III[1]
Distance 142 ly
(43.5 pc)
Absolute magnitude (MV) −0.22[1]
Radius 19.8[2] R
Rotational velocity (v sin i) 2.9[1] km/s
Other designations
Torcularis Septentrionalis, ο Piscium, ο Psc, Omicron Psc, 110 Piscium, BD+08 273, FK5 60, GC 2139, HD 10761, HIP 8198, HR 510, PPM 144950, SAO 110110.
Database references

Omicron Piscium (Omicron Psc, ο Piscium, ο Psc) is a star in the constellation Pisces, located about 142 light years from Earth.

It has an apparent magnitude of +4.27 and belongs to spectral type K0.

Name and etymology[edit]


  1. ^ a b c d Setiawan, J.; et al. (July 2004), "Precise radial velocity measurements of G and K giants. Multiple systems and variability trend along the Red Giant Branch", Astronomy and Astrophysics, 421: 241−254, Bibcode:2004A&A...421..241S, doi:10.1051/0004-6361:20041042-1. 
  2. ^ Richichi, A.; et al. (2016). "Lunar Occultations of 18 Stellar Sources from the 2.4 m Thai National Telescope". The Astronomical Journal. 151 (1). 10. Bibcode:2016AJ....151...10R. doi:10.3847/0004-6256/151/1/10. 
  3. ^ Richard Hinckley Allen: Star Names — Their Lore and Meaning - Pisces, the Fishes
  4. ^ (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 5 月 19 日