Kappa Virginis

κ Virginis
(Kang)
Location of κ Virginis (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Virgo
Right ascension 14h 12m 53.74538s[1]
Declination −10° 16′ 25.3340″[1]
Apparent magnitude (V) 4.180[2]
Characteristics
Spectral type K2/3 III[3]
U−B color index +1.457[2]
B−V color index +1.343[2]
Astrometry
Radial velocity (Rv)−4.38±0.21[4] km/s
Proper motion (μ) RA: +7.25[1] mas/yr
Dec.: +139.88[1] mas/yr
Parallax (π)12.80 ± 0.25 mas[1]
Distance255 ± 5 ly
(78 ± 2 pc)
Absolute magnitude (MV)−0.28[5]
Details
Mass1.46±0.04[6] M☉
Radius25.41±0.74[6] R☉
Luminosity229[6] L☉
Surface gravity (log g)1.83±0.08[6] cgs
Temperature4,235±20[6] K
Metallicity [Fe/H]−0.43±0.04[6] dex
Rotational velocity (v sin i)5.1[4] km/s
Age9.67±0.97[6] Gyr
Other designations
Kang, 98 Virginis, κ Vir, BD−09°3878, FK5 523, HD 124294, HIP 69427, HR 5315, SAO 158427[7]
Database references
SIMBADdata

Kappa Virginis (κ Virginis, abbreviated Kappa Vir, κ Vir), officially named Kang /ˈkæŋ/,[8] is a solitary star in the zodiac constellation of Virgo. It has an apparent visual magnitude of 4.18,[2] which is sufficiently bright to be seen with the naked eye. Based upon stellar parallax measurements, the distance to this star is about 255 light-years.

  1. ^ a b c d e Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Jennens1975 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 Massarotti2008 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  6. ^ a b c d e f g Cite error: The named reference Villaver2013 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  8. ^ "Naming Stars". IAU.org. Retrieved 16 December 2017.