6 Lyncis

6 Lyncis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lynx
Right ascension 06h 30m 47.1071s[1]
Declination +58° 09′ 45.481″[1]
Apparent magnitude (V) 5.88
Characteristics
Spectral type K0.5 IIIb Fe0.5[2]
B−V color index 0.94
Variable type None
Astrometry
Radial velocity (Rv)+36 km/s
Proper motion (μ) RA: −30.421±0.098[1] mas/yr
Dec.: −338.678±0.071[1] mas/yr
Parallax (π)18.2668 ± 0.0908[1] mas
Distance178.6 ± 0.9 ly
(54.7 ± 0.3 pc)
Absolute magnitude (MV)2.10
Details
Mass1.46 ± 0.02[3] M☉
Radius5.2 ± 0.1[3] R☉
Luminosity14.9 ± 0.1[3] L☉
Surface gravity (log g)3.17 ± 0.03[3] cgs
Temperature4994 ± 15[3] K
Metallicity [Fe/H]−0.13 ± 0.02 dex
Age2.8 ± 0.2[3] Gyr
Other designations
BD+58°932, GC 8416, HD 45410, HIP 31039, HR 2331, SAO 25771[4]
Database references
SIMBADdata
Exoplanet Archivedata
Extrasolar Planets
Encyclopaedia		data

6 Lyncis (abbreviated 6 Lyn) is the Flamsteed designation of a K-type giant star located approximately 179 light years from Earth, appearing in the constellation of Lynx. The star has mass 1.46 times, radius 5.2 times, and luminosity 15 times that of the Sun. It has apparent magnitude 5.88 and absolute magnitude 2.10.

Planetary system

In July 2008, the planet 6 Lyncis b was announced by Bun'ei Sato and collaborators from the Okayama Planet Search Program, along with 14 Andromedae b and 81 Ceti b. The planet was found to have minimum mass of 2.4 Jupiter masses and period of 899 days.[5]

The 6 Lyncis planetary system[5]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b ≥2.4 MJ 2.2 899 ± 19 0.134 ± 0.052 — —

See also

References

  1. 1 2 3 4 5 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia Data Release 2 Vizier catalog entry
  2. ↑ 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.
  3. 1 2 3 4 5 6 Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. arXiv:1411.4302. Bibcode:2015A&A...575A..18B. doi:10.1051/0004-6361/201424951.
  4. ↑ "6 Lyncis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-05-27.
  5. 1 2 Sato, Bun'ei; et al. (2008). "Planetary Companions to Evolved Intermediate-Mass Stars: 14 Andromedae, 81 Ceti, 6 Lyncis, and HD167042". Publications of the Astronomical Society of Japan. 60 (6): 1317–1326. arXiv:0807.0268. Bibcode:2008PASJ...60.1317S. doi:10.1093/pasj/60.6.1317.
  • Jean Schneider (2011). "Notes for star 6 Lyn". Extrasolar Planets Encyclopaedia. Retrieved 8 October 2011.

Coordinates: 06h 30m 47.1081s, +58° 09′ 45.480″

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