Arkas (exoplanet)
Arkas ( HD 81688 b ) is an exoplanet that orbits the subgiant Intercrus every 184 days . Due to its mass , it is assumed that it is a gas planet .
discovery
The planet was created by Bunei Sato et al. Discovered in 2008 using the radial velocity method.
Circulation and mass
The planet orbits its star at a distance of approx. 0.81 astronomical units and has a minimum mass of approx. 2.7 Jupiter masses (around 860 earth masses ).
Web links
- The exoplanet in the "Encyclopedia of Extrasolar Planets"
- The planet at Planet.ch ( Memento from October 15, 2012 in the Internet Archive )