HD 73534 b

HD 73534 b is an extrasolar planet which orbits the G-type subgiant star HD 73534, located approximately 272 light years away in the constellation Cancer. It is at least 15% more massive than Jupiter and orbits at an average distance of 3.15 AU and takes 4.9 years to complete the orbit in a nearly circular path with an eccentricity similar to Jupiter.^[1] This planet was detected by radial velocity method on August 12, 2009.

HD 73534 b / Drukyul

Discovery
Discovered by	Valenti et al.[1]
Discovery site	Keck Observatory
Discovery date	August 12, 2009
Detection method	Radial velocity
Orbital characteristics
Semi-major axis	2.95±0.22 AU
Eccentricity	0 (fixed)[2]
Orbital period (sidereal)	1721±36[2] d
Time of periastron	2463014.922(fixed)[2]
Argument of periastron	34±10[2]
Semi-amplitude	15.5±1.2[2]
Star	HD 73534

The planet HD 73534 b is named Drukyul. The name was selected by Bhutan as part of the NameExoWorlds campaigns during the 100th anniversary of the IAU. Drukyul (འབྲུག་ཡུལ) means "land of the thunder dragon", the native name of Bhutan.^[3][4]

See also

• Appearance of extrasolar planets
• Cancer (Chinese astronomy)
• Lists of exoplanets
• Gliese 1132 b, Rocky exoplanet with a confirmed atmosphere.
• Mu Arae c, At constellation Ara
• Planetary system