HD 47186 c

HD 47186 c

Exoplanet		List of exoplanets
Parent star
Star		HD 47186
Constellation		Canis Major
Right ascension	(α)	06^h 36^m 08.7880^s
Declination	(δ)	−27° 37′ 20.268″
Apparent magnitude	(mV)	7.8
Distance		123.4 ly (37.8 pc)
Spectral type		G6V
Mass	(m)	0.99 M☉
Temperature	(T)	5675 ± 21 K
Metallicity	[Fe/H]	0.23 ± 0.02
Orbital elements
Semi-major axis	(a)	2.395 AU
Periastron	(q)	1.799 AU
Apastron	(Q)	2.991 AU
Eccentricity	(e)	0.249 ± 0.073
Orbital period	(P)	1353.6 ± 57.1 d (3.7059 ± 0.156 y)
Orbital speed	(υ)	19.31 km/s
Time of periastron	(T0)	2,452,010 ± 180 JD
Physical characteristics
Minimum mass	(m sin i)	0.35061 MJ (111.44 M⊕)
Discovery information
Discovery date		June 16, 2008
Discoverer(s)		Bouchy et al.
Discovery method		Doppler spectroscopy
Discovery site		La Silla Observatory
Discovery status		Published[1]
Database references
Extrasolar Planets Encyclopaedia		data
SIMBAD		data
Exoplanet Archive		data
Open Exoplanet Catalogue		data

HD 47186 c is an extrasolar planet located approximately 123 light years away in the constellation of Canis Major, orbiting the star HD 47186. This planet has a minimum mass of 0.35061 times that of Jupiter, or 1.1712 times that of Saturn. It takes 1353.6 days or 3.7059 years to revolve around the star in about the same eccentricity as the dwarf planet Pluto. This planet orbits at about the same distance from the star as the asteroid Vesta is from the Sun.

References

1. Bouchy, F.; et al. (2009). "The HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD 47186 and HD 181433". Astronomy and Astrophysics 496 (2): 527–531. arXiv:0812.1608. Bibcode:2009A&A...496..527B. doi:10.1051/0004-6361:200810669.

External links

• "HD 47186 c". Exoplanets.

Coordinates: 06^h 36^m 08.7880^s, −27° 37′ 20.268″