HIP 14810
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aries |
| Right ascension | 03h 11m 14.23s [1] |
| Declination | +21° 05′ 50.5″ [1] |
| Apparent magnitude (V) | 8.53 |
| Characteristics | |
| Spectral type | G5V |
| B−V color index | 0.777 |
| Astrometry | |
| Proper motion (μ) | RA: -3.66 ± 1.81 [1] mas/yr Dec.: -53.44 ± 1.10 [1] mas/yr |
| Parallax (π) | 18.71 ± 1.26[1] mas |
| Distance | 170 ± 10 ly (53 ± 4 pc) |
| Absolute magnitude (MV) | 4.91 |
| Details | |
| Mass | 0.99 M☉ |
| Radius | 1.1 R☉ |
| Luminosity | 1.2 L☉ |
| Surface gravity (log g) | 4.31 |
| Temperature | 5485 ± 44 K |
| Metallicity | 0.23 ± 0.3 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia |
data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
HIP 14810 is a G-type main-sequence star located approximately 170 light-years away[1] in the constellation of Aries.
Contents |
[edit] Planetary system
Orbiting the star are three confirmed planets. The discovery paper for HIP 14810 b and HIP 14810 c was published in 2007,[2] while that for HIP 14810 d was published in 2009, together with a revision for the orbital parameters for planet c.[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| b | ≥3.88 ± 0.32 MJ | 0.0692 ± 0.0040 | 6.673855 ± 0.000019 | 0.14270 ± 0.00094 |
| c | ≥1.28 ± 0.10 MJ | 0.545 ± 0.031 | 147.730 ± 0.065 | 0.164 ± 0.012 |
| d | ≥0.570 ± 0.052 MJ | 1.89 ± 0.11 | 952 ± 15 | 0.173 ± 0.037 |
[edit] See also
[edit] References
- ^ a b c d e f van Leeuwen, F. (2007). "HIP 14810". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=14774. Retrieved 2010-01-27.
- ^ 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. http://www.iop.org/EJ/article/0004-637X/657/1/533/65907.html.
- ^ a b 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. http://iopscience.iop.org/1538-4357/699/2/L97/fulltext/.
[edit] External links
- Extrasolar Planet Interactions by Rory Barnes & Richard Greenberg, Lunar and Planetary Lab, University of Arizona
- Image HIP 14810
|
||||||||
Coordinates: 
03h 11m 14.2304s, +21° 05′ 50.491″
 |
This main sequence star-related article is a stub. You can help Wikipedia by expanding it. |
