HIP 14810

HIP 14810 is a G type main sequence star at the position of approximately 170 light-year [¹] in the direction of Aries.

HIP 14810

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
Characteristic
Spectral class	G5V
B-V color index	0.777
アストロメトリー
Proper motion (μ)	Right ascension: -3.66+-1.81[1]millisecond / year Declination: -53.44+-1.10[1]millisecond / year
Annual parallax (π)	18.71 +-1.26[1]millisecond
Distance	170 ± 10 Light-year (53 ± 4 Parsec)
Absolute magnitude (MV)	4.91
The details
Mass	0.99 M☉
Radius	1.1 R☉
Surface gravity (log g)	4.31
The intensity of light	1.2 L☉
Surface temperature	5485 ± 44 K
Quantity of metal	0.23 +-0.3
Other names
BD+20 ° 518, SAO 75776, AG+20 283, TYC 1231-1727-1, GSC 01231-01727, PPM 92274, YZ 20 929
Reference database
SIMBAD	data
NStED	data
Extrasolar Planets Encyclopaedia	data

Table of contents

Planetary system

Three extrasolar planets revolve in the circumference of this fixed star. The article was published in 2007 when I discovered HIP 14810 b and HIP 14810 c [²]. On the other hand, the discovery of HIP 14810 d was published with the correction of the orbit parameter of HIP 14810 c in 2009 [³].

Planet [³] of HIP 14810

Name (order near the fixed star)	Mass	Orbit semimajor axis （Au）	Revolution period (Day)	Orbit eccentricity	Orbit angle of inclination	Radius
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	—	—

Allied item

• List of extrasolar planets

Source

1. ^ ^{a b c d e f} van Leeuwen, F. (2007). "HIP 14810". Hipparcos, the New Reduction. January 27, 2010 reading.
2. ^ Wright et al. (2007). "Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars". The Astrophysical Journal 657 (1): 533?545. doi: 10.1086/510553. http://www.iop.org/EJ/article/0004-637X/657/1/533/65907.html. 
3. ^ ^{a b} Jason T. Wright, Debra A. Fischer, Eric B. Ford, Dimitri Veras, Ji Wang, Gregory W. Henry, Geoff W. Marcy, Andrew W. Howard, John Asher Johnson. "A Third Giant Planet Orbiting HIP 14810". The Astrophysical Journal 699 (2): L97?L101. doi: 10.1088/0004-637X/699/2/L97. http://www.iop.org/EJ/abstract/1538-4357/699/2/L97.  (arXiv preprint)

Outside link

• Extrasolar Planet Interactions by Rory Barnes & Richard Greenberg, Lunar and Planetary Lab, University of Arizona
• Image HIP 14810

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