6 Lyncis

6 Lyncis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Lynx
Right ascension 06h 30m 47.11s [1]
Declination +58° 09′ 45.5″ [1]
Apparent magnitude (V) 5.88
Characteristics
Spectral type K0IV
B−V color index 0.94
Variable type None
Astrometry
Radial velocity (Rv) +36 km/s
Proper motion (μ) RA: -30.14 ± 0.56 [1] mas/yr
Dec.: -338.67 ± 0.41 [1] mas/yr
Parallax (π) 17.92 ± 0.47[1] mas
Distance 182 ± 5 ly
(56 ± 1 pc)
Absolute magnitude (MV) 2.10
Details
Mass 1.7+0.3
−0.2 M☉
Radius 5.2+0.4
−0.3 R☉
Surface gravity (log g) 3.5
Luminosity 15 L☉
Temperature 4978 ± 18 K
Metallicity –0.13 ± 0.02
Other designations
BD+58°932, GC 8416, HD 45410, HIP 31039, HR 2331, SAO 25771
Database references
SIMBAD data
NStED data
Extrasolar Planets
Encyclopaedia		 data

6 Lyncis (abbreviated 6 Lyn) is a K-type subgiant star approximately 182 light years away in the constellation of Lynx. The star has mass 1.7 times, radius 5.2 times, and luminosity 15 times that of our Sun. It has apparent magnitude 5.88 and absolute magnitude 2.10.

Contents

Planetary system

In July 2008, the planet 6 Lyncis b was announced by Sato, 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.[2]

The 6 Lyncis system[2]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity
b ≥2.4 MJ 2.2 899 ± 19 0.134 ± 0.052

See also

References

  1. ^ a b c d e van Leeuwen, F. (2007). "HIP 31039". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=30963. Retrieved 2010-03-07. 
  2. ^ a b Sato et al.; Toyota, Eri; Omiya, Masashi; Izumiura, Hideyuki; Kambe, Eiji; Masuda, Seiji; Takeda, Yoichi; Itoh, Yoichi et al. (2008). "Planetary Companions to Evolved Intermediate-Mass Stars: 14 Andromedae, 81 Ceti, 6 Lyncis, and HD167042" (PDF). Publications of the Astronomical Society of Japan 60 (6): 1317–1326. Bibcode 2008PASJ...60.1317S. http://pasj.asj.or.jp/v60/n6/600610/600610.pdf. (web Preprint)

External links

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

Stars of Lynx
Stars in italics have designations from another constellation
Bayer
Flamsteed
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 38
  • 40 (α)
  • 42
  • 43
  • 10 UMa
  • 54 Cam
Nearby
  • GJ 1105
  • GJ 3421