HAT-P-3, is a metal-rich K5 dwarf star located about 441 light-years away in the constellation Ursa Major. At a magnitude of about 11.5 it is not visible to the naked eye but is visible in a small to medium-sized amateur telescope. It is believed to be a relatively young star and has a slightly enhanced level of chromospheric activity.

The star HAT-P-3 is named Dombay. The name was selected in the NameExoWorlds campaign by Russia, during the 100th anniversary of the IAU. Dombay is a resort region in the North Caucasus mountains.

Planetary system

This star is home to the extrasolar planet HAT-P-3b, later named Teberda, discovered by the HATNet Project using the transit method.

The HAT-P-3 planetary system
Companion (in order from star)MassSemimajor axis (AU)Orbital period (days)EccentricityInclinationRadius
b / Teberda0.609+0.021 −0.022 MJ0.03899+0.00062 −0.000652.8997360±0.0000020<0.010087.07 ± 0.55°0.827 ± 0.055 RJ

See also

External links

  • . Exoplanets. Archived from on 2009-11-25.