Psi Andromedae

ψ Andromedae
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 23h 46m 02.0466s
Declination +46° 25′ 12.993″
Apparent magnitude (V) 4.982
Characteristics
Spectral type G5Ib+
U−B color index 0.81
B−V color index 1.11
Astrometry
Radial velocity (Rv) -24.8 km/s
Proper motion (μ) RA: 9.05 mas/yr
Dec.: -6.25 mas/yr
Parallax (π) 2.49 ± 0.92 mas
Distance approx. 1300 ly
(approx. 400 pc)
Absolute magnitude (MV) 6.067
Other designations
20 Andromedae, HR 9003, HD 223047, BD+45°4321, FK5 1622, HIP 117221, SAO 53355.
Database references
SIMBAD data
Database references
SIMBAD data

Psi Andromedae (ψ And, ψ Andromedae) is a double star system in the constellation Andromeda. It is approximately 1310 light years from Earth. The system consists of a spectroscopic binary with a yellow G-type supergiant and a white A-type main sequence dwarf. It has a combined apparent magnitude of +4.97.

References