Kappa Volantis

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κ Volantis
Volans IAU.svg
Cercle rouge 100%.svg

Location of ι Volantis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Volans
κ¹ Vol
Right ascension 08h 19m 48.96447s[1]
Declination −71° 30′ 53.6692″[1]
Apparent magnitude (V) 5.37[2]
κ² Vol
Right ascension 08h 20m 00.52661s[1]
Declination −71° 30′ 19.3664″[1]
Apparent magnitude (V) 5.65[2]
κ¹ Vol
Spectral type B9III/IV[3]
U−B color index −0.31[2]
B−V color index −0.06[2]
κ² Vol
Spectral type B9/A0IV[3]
U−B color index −0.31[2]
B−V color index −0.10[2]
κ¹ Vol
Radial velocity (Rv) 36.0[4] km/s
Proper motion (μ) RA: −16.89[1] mas/yr
Dec.: +36.26[1] mas/yr
Parallax (π) 7.50 ± 0.35[1] mas
Distance 430 ± 20 ly
(133 ± 6 pc)
κ² Vol
Radial velocity (Rv) −6.50[4] km/s
Proper motion (μ) RA: −17.71[1] mas/yr
Dec.: +34.10[1] mas/yr
Parallax (π) 7.79 ± 0.21[1] mas
Distance 420 ± 10 ly
(128 ± 3 pc)
κ¹ Vol
Luminosity 129[5] L
Temperature 9,884[5] K
κ² Vol
Luminosity 124[5] L
Temperature 11,682[5] K
Other designations
κ Vol, WDS J08198-7131[6]
κ¹ Vol: CP−71° 677, HD 71046, HIP 40817, HR 3301, SAO 256497.[6]
κ² Vol: CP−71° 678, HD 71066, HIP 40834, HR 3302, SAO 256499.[7]

Kappa Volantis (κ Vol, κ Volantis) is a triple star system in the constellation Volans. The primary component has an apparent visual magnitude of 5.37, while the secondary companion is magnitude 5.65.[2] based upon parallax measurements, the stars appear to be be around 420−430 light years. from the Sun.

The brightest component, κ¹ Volantis, is a blue-white B-type star with a stellar classification showing characteristics ofa both a subgiant and giant star. Separated from κ¹ by 65 arcseconds, κ² Volantis is a white subgiant star that falls between a B-type and A-type classification. The system's third component, κ Volantis C, is a magnitude +8.5 star 37.7 arcseconds away from κ².


  1. ^ a b c d e f g h i j van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752free to read, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. 
  2. ^ a b c d e f g Johnson, H. L.; et al. (1999), "UBVRIJKL photometry of the bright stars", Commission Lunar and Planetary Laboratory, 4: 99, Bibcode:1966CoLPL...4...99J. 
  3. ^ a b Houk, Nancy; Cowley, A. P. (1979), Michigan catalogue of two-dimensional spectral types for the HD stars, 1, Ann Arbor, Michigan: Dept. of Astronomy, University of Michigan, Bibcode:1978mcts.book.....H. 
  4. ^ a b de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics, 546: 14, arXiv:1208.3048free to read, Bibcode:2012A&A...546A..61D, doi:10.1051/0004-6361/201219219, A61. 
  5. ^ a b c d McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037free to read, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x. 
  6. ^ a b "kap01 Vol -- Star", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2016-09-05. 
  7. ^ "kap02 Vol -- Star", SIMBAD Astronomical Database, Centre de Données astronomiques de Strasbourg, retrieved 2016-09-05.