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☉ |
| Luminosity | 15 L☉ |
| Surface gravity (log g) | 3.5 cgs |
| Temperature | 4978 ± 18 K |
| Metallicity | –0.13 ± 0.02 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia | data |
6 Lyncis (abbreviated 6 Lyn) is the Flamsteed designation of 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.
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]
| 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 2 3 4 5 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. Vizier catalog entry
- 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.
External links
- 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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