Kappa2 Ceti

For other stars with this Bayer designation, see κ Ceti.
Kappa2 Ceti
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Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cetus
Right ascension 03h 21m 06.80281s[1]
Declination +03° 40′ 32.2344″[1]
Apparent magnitude (V) 5.66[2]
Characteristics
Spectral type G8 III[3]
U−B color index +0.73[2]
B−V color index +0.97[2]
Astrometry
Radial velocity (Rv)+7.44±0.10[4] km/s
Proper motion (μ) RA: +55.04[1] mas/yr
Dec.: −25.12[1] mas/yr
Parallax (π)10.11 ± 0.33 mas[1]
Distance320 ± 10 ly
(99 ± 3 pc)
Absolute magnitude (MV)0.630[5]
Details[4]
Mass2.46±0.09 M☉
Radius8.23±0.57 R☉
Luminosity41.7 L☉
Surface gravity (log g)2.98±0.04 cgs
Temperature5,007±22 K
Metallicity [Fe/H]+0.11±0.03 dex
Rotational velocity (v sin i)0.98±0.45 km/s
Age610±60 Myr
Other designations
κ2 Cet, g2 Tau, 97 Cet, BD+03° 461, HD 20791, HIP 15619, HR 1007, SAO 111142[6]
Database references
SIMBADdata

Kappa2 Ceti (κ2 Ceti), is a solitary,[7] yellow-hued star located in the equatorial constellation of Cetus. It is faintly visible to the naked eye with an apparent visual magnitude of 5.66.[2] Based upon an annual parallax shift of 10.11 mas as seen from Earth,[1] it is located about 320 light years from the Sun.

  1. ^ a b c d e f Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Lucke1974 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Houk1999 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Jofre2015 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Mishenina2006 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).