HD 40979 b

HD 40979 b is an extrasolar planet orbiting the star HD 40979, was detected from the Lick and Keck observatories and photometric observations at Fairborn Observatory reveal low-amplitude brightness variations in HD 40979. It is thought to be a large gas giant planet. It was discovered in 2002 by Debra Fischer.^[1]

HD 40979 b

Discovery
Discovered by	Fischer et al.[1]
Discovery site	Lick and Keck Observatory Fairborn Observatory USA
Discovery date	13 June 2002
Detection method	Radial velocity
Orbital characteristics
Apastron	1.085 AU (162,300,000 km)
Periastron	0.625 AU (93,500,000 km)
Semi-major axis	0.855 ± 0.049 AU (127,900,000 ± 7,300,000 km)
Eccentricity	0.269 ± 0.034
Orbital period (sidereal)	263.84 ± 0.71 d 0.72 y
Average orbital speed	35.5
Time of periastron	2,451,748.1 ± 8.6
Argument of periastron	318 ± 10
Semi-amplitude	112 ± 5
Star	HD 40979