Psi Capricorni
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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 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
- HD 197692 -- Star (English). SIMBAD: Centre de Données astronomiques de Strasbourg. Retrieved on 2006-08-16.
- 4C01688 (English). ARICNS (1998-03-04). Retrieved on 2006-08-16.
- ψ Capricorni (English). Alcyone ephemeris. Retrieved on 2006-08-16.