HIP 14810

HIP 14810 is a G-type main-sequence star located approximately 165 light-years away in the constellation of Aries.

HIP 14810
Observation data
Epoch J2000      Equinox J2000
Constellation Aries
Right ascension  03h 11m 14.2302s[1]
Declination +21° 05′ 50.4927″[1]
Apparent magnitude (V) 8.53
Characteristics
Spectral type G5V
B−V color index 0.777
Astrometry
Proper motion (μ) RA: −3.784±0.087[1] mas/yr
Dec.: −53.154±0.070[1] mas/yr
Parallax (π)19.7810 ± 0.0449[1] mas
Distance164.9 ± 0.4 ly
(50.6 ± 0.1 pc)
Absolute magnitude (MV)4.91
Details
Mass0.98 ± 0.02[2] M☉
Radius1.08 ± 0.03[2] R☉
Luminosity0.99 ± 0.01[2] L☉
Surface gravity (log g)4.35 ± 0.03[2] cgs
Temperature5535 ± 51[2] K
Metallicity0.23 ± 0.3
Age8.7 ± 2.0[2] Gyr
Other designations
BD+20° 518, SAO 75776, AG+20 283, TYC 1231-1727-1, GSC 01231-01727, PPM 92274, YZ 20 929
Database references
SIMBADdata
Exoplanet Archivedata
Extrasolar Planets
Encyclopaedia		data

Planetary system

Orbiting the star are three confirmed planets. The discovery paper for HIP 14810 b and HIP 14810 c was published in 2007,[3] while that for HIP 14810 d was published in 2009, together with a revision for the orbital parameters for planet c.[4]

The HIP 14810 planetary system[5]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b ≥3.9±0.49 MJ 0.0696±0.0044 6.673892±0.000008 0.14399±0.00087 — —
c ≥1.31±0.18 MJ 0.549±0.034 147.747±0.029 0.1566±0.0099 — —
d ≥0.59±0.1 MJ 1.94±0.13 981.8±6.9 0.185±0.035 — —

See also
  • List of extrasolar planets

References
  1. 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 DR2 record for this source at VizieR.
  2. 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.
  3. Wright, J. T.; et al. (2007). "Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars". The Astrophysical Journal. 657 (1): 533–545. arXiv:astro-ph/0611658. Bibcode:2007ApJ...657..533W. doi:10.1086/510553.
  4. Wright, J. T.; et al. (2009). "A Third Giant Planet Orbiting HIP 14810". The Astrophysical Journal Letters. 699 (2): L97–L101. arXiv:0906.0567. Bibcode:2009ApJ...699L..97W. doi:10.1088/0004-637X/699/2/L97.
  5. Ment, Kristo; et al. (2018). "Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810". The Astronomical Journal. 156 (5). 213. arXiv:1809.01228. Bibcode:2018AJ....156..213M. doi:10.3847/1538-3881/aae1f5.


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