Phi Boötis

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φ Boötis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Boötes
Right ascension 15h 37m 49.6s
Declination +40° 21' 12"
Apparent magnitude (V) +5.25
Distance 163 ± 5 ly
(50 ± 1 pc)
Spectral type G7III-IVFe-2
Other designations
Ceginus, 54 Boötis, HR 5823, HD 139641, BD+40°2907, FK5 580, HIP 76534, SAO 45643, GC 21032
Database references
SIMBAD data

Phi Boötis (φ Boo, φ Boötis) is a star in the constellation Boötes. It has the traditional name Ceginus, which it shares with Gamma Boötis.

φ Boötis is a yellow G-type giant with an apparent magnitude of +5.25. It is approximately 163 light years from Earth.

References[edit]