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 mas[1] |
| Distance | 164.9 ± 0.4 ly (50.6 ± 0.1 pc) |
| Absolute magnitude (MV) | 4.91 |
| Details | |
| Mass | 0.98 ± 0.02[2] M☉ |
| Radius | 1.08 ± 0.03[2] R☉ |
| Luminosity | 0.99 ± 0.01[2] L☉ |
| Surface gravity (log g) | 4.35 ± 0.03[2] cgs |
| Temperature | 5535 ± 51[2] K |
| Metallicity | 0.23 ± 0.3 |
| Age | 8.7 ± 2.0[2] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HIP 14810 is a G-type main-sequence star located approximately 165 light-years away in the constellation of Aries.
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]
| 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
References
- ^ a b c d e 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.
- ^ a b c d e f 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.
- ^ 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.
- ^ 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.
- ^ 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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External links
- Extrasolar Planet Interactions by Rory Barnes & Richard Greenberg, Lunar and Planetary Lab, University of Arizona
- Image HIP 14810
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