HD 32518

HD 32518

Data Epoch J2000.0      Equinox J2000.0
Constellation	Camelopardalis
Right ascension	05h 09m 36.72s [1]
Declination	+ 69° 38′ 21.9″ [1]
Apparent magnitude (V)	6.436
Characteristic
Spectral class	K1III
Class (B)	7.537
Class (J)	4.531
Class (H)	3.992
Class (K)	3.911
B-V color index	1.101
アストロメトリー
Radial velocity (Rv)	-7.02 km/s
Proper motion (μ)	Right ascension: 60.26+-0.28[1]millisecond / year Declination: -62.81+-0.52[1]millisecond / year
Annual parallax (π)	8.29 +-0.58[1]millisecond
Distance	390 ± 30 Light-year (121 ± 8 Parsec)
Absolute magnitude (MV)	1.09
The details
Mass	1.13 ± 0.18 M☉
Radius	10.22 ± 0.87 R☉
Surface gravity (log g)	2.84
The intensity of light	41.2 L☉
Surface temperature	4580 ± 70 K
Quantity of metal	-0.15+-0.04
Age	(5.83 ± 2.58) × 109 Year
Other names
BD+69 ° 302, GC 6245, GCRV 3027, HIP 24003, HR 1636, PPM 15168, SAO 13382
Reference database
SIMBAD	data
NStED	data
Extrasolar Planets Encyclopaedia	data

HD 32518 is the sixth class K type giant star at the position of approximately 390 light-year in the direction of Camelopardalis. It is 1.13 times heavier than the sun and is 10.22 times larger than it, and 41.2 times is bright. However, there is few it, and the quantity of metal is older than the sun. It was found that a Jupiter-type planet revolved in the neighborhood in August, 2009 [²].

Planet [²] of HD 32518

Name (order near the fixed star)	Mass	Orbit semimajor axis （Au）	Revolution period (Day)	Orbit eccentricity	Orbit angle of inclination	Radius
b	≥3.04 ± 0.69 MJ	0.59 +-0.03	157.54 +-0.38	0.01 +-0.03	—	—

Allied item

• Ursa Minor eleventh star
• List of extrasolar planets

Source

[Help]

1. ^ ^{a b c d e} van Leeuwen, F. (2007). "HIP 24003". Hipparcos, the New Reduction. February 26, 2010 reading.
2. ^ ^{a b} Dollinger et al. (2009). "Planetary companions around the K giant stars 11 Ursae Minoris and HD 32518" (abstract). Astronomy and Astrophysics 505 (3): 1311?1317. doi: 10.1051/0004-6361/200911702. http://www.aanda.org/articles/aa/abs/2009/39/aa11702-09/aa11702-09.html. (web Preprint)

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This article is taken from the Japanese Wikipedia HD 32518

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