Kappa1 Ceti

For other stars with this Bayer designation, see κ Ceti.
κ1 Ceti
Location of κ1 Ceti (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cetus
Right ascension 03h 19m 21.6960s[1]
Declination +03° 22′ 12.712″[1]
Apparent magnitude (V) 4.84[2]
Characteristics
Spectral type G5Vv[3]
U−B color index +0.185[4]
B−V color index +0.674[4]
Variable type BY Dra[5]
Astrometry
Radial velocity (Rv)+19.9[6] km/s
Proper motion (μ) RA: 269.30±0.24[1] mas/yr
Dec.: 93.75±0.22[1] mas/yr
Parallax (π)109.41 ± 0.27 mas[1]
Distance29.81 ± 0.07 ly
(9.14 ± 0.02 pc)
Absolute magnitude (MV)5.16[7]
Details
Mass1.037±0.042[2] M☉
Radius0.95±0.10[8] R☉
Luminosity0.85[9] L☉
Surface gravity (log g)4.51[10] cgs
Temperature5,708[10] K
Metallicity [Fe/H]+0.05[10] dex
Rotation9.2 days[9]
Rotational velocity (v sin i)4.5[9] km/s
Age300–400[11] Myr
Other designations
κ1 Cet, g1 Tau, 96 Ceti, NSV 1100, BD+02°518, FK5 1095, GJ 137, HD 20630, HIP 15457, HR 996, SAO 111120, LTT 11094
Database references
SIMBADdata
ARICNSdata

Kappa1 Ceti, Latinized from κ1 Ceti, is a variable yellow dwarf star approximately 30 light-years away[1] in the equatorial constellation of Cetus.

The star was discovered to have a rapid rotation, roughly once every nine days. Though there are no extrasolar planets confirmed to be orbiting the star, Kappa1 Ceti is considered a good candidate to contain terrestrial planets, like the Earth. The system is a candidate binary star, but has not been confirmed.[12]

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