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Kappa Persei

Kappa Persei
Location of κ Persei (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Perseus
Right ascension  03h 09m 29.77156s[1]
Declination +44° 51′ 27.1463″[1]
Apparent magnitude (V) 3.80[2]
Characteristics
Spectral type G9.5 IIIb[3]
U−B color index +0.83[2]
B−V color index +0.98[2]
Astrometry
Radial velocity (Rv)27.43±0.42[4] km/s
Proper motion (μ) RA: +172.99[1] mas/yr
Dec.: −143.40[1] mas/yr
Parallax (π)28.93 ± 0.21[1] mas
Distance112.7 ± 0.8 ly
(34.6 ± 0.3 pc)
Absolute magnitude (MV)1.20[5]
Details
Mass1.50[6] M☉
Radius9[4] R☉
Luminosity39.8[6] L☉
Surface gravity (log g)2.9[4] cgs
Temperature4,857±69[6] K
Metallicity [Fe/H]0.04[4] dex
Rotational velocity (v sin i)3.0[4] km/s
Age4.58[6] Gyr
Database references
SIMBADdata

Kappa Persei is a triple star system in the constellation Perseus. It is 113 light-years away from the Sun.

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600.
  2. ↑ 2.0 2.1 2.2 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data, SIMBAD, Bibcode:1986EgUBV........0M.
  3. ↑ Keenan, Philip C.; McNeil, Raymond C. (1989), "The Perkins catalog of revised MK types for the cooler stars", Astrophysical Journal Supplement Series, 71: 245, Bibcode:1989ApJS...71..245K, doi:10.1086/191373.
  4. ↑ 4.0 4.1 4.2 4.3 4.4 Massarotti, Alessandro; et al. (January 2008), "Rotational and Radial Velocities for a Sample of 761 HIPPARCOS Giants and the Role of Binarity", The Astronomical Journal, 135 (1): 209–231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209.
  5. ↑ Famaey, B.; et al. (January 2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics, 430 (1): 165–186, arXiv:astro-ph/0409579, Bibcode:2005A&A...430..165F, doi:10.1051/0004-6361:20041272, S2CID 17804304.
  6. ↑ 6.0 6.1 6.2 6.3 Luck, R. Earle (2015), "Abundances in the Local Region. I. G and K Giants", Astronomical Journal, 150 (3), 88, arXiv:1507.01466, Bibcode:2015AJ....150...88L, doi:10.1088/0004-6256/150/3/88, S2CID 118505114.

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