Psi Capricorni

From Wikipedia, the free encyclopedia

ψ Capricorni
Observation data
Epoch J2000
Constellation Capricornus
Right ascension 20h 46m 05.73s
Declination −25° 16′ 15.2″
Apparent magnitude (V) 4.15
Spectral Characteristics
Spectral type F5 V
U-B color index 0.00
B-V color index 0.42
Variable type None
Astrometry
Radial velocity (Rv) 25.8 km/s
Proper motion (μ) RA: -51.38 mas/yr
Dec.: -156.66 mas/yr
Parallax (π) 68.16 ± 0.91 mas
Distance 47.9 ± 0.6 ly
(14.7 ± 0.2 pc)
Absolute magnitude (MV) 3.32
Other designations
psi Cap, 16 Capricorni, 16 Cap, Gl 805, HR 7936, CD −25°15018, HD 197692, GCTP 4947.00, SAO 189664, FK5 779, GC 28929, HIP 102485.

Psi Capricorni (ψ Cap / ψ Capricorni) is a star in the constellation Capricornus.

ψ Capricorni is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.13. It is approximately 47.9 light years from Earth. The measured rotational velocity of this star is approximately 37 km/s. (Compare to the Sun, which has an equatorial rotation velocity of 2 km/s.)

[edit] External links