Exoplanetary Scratchpad

[SysBP Img]

Contains the first Saturn mass transiting planet. Also the first planet found with a dense core, leading credence to the core-accretion theory. Sometimes called a Super-Neptune, though it is not known if its core is rocky or icy. Also the first TEP discovered smaller than Jupiter. It was revealed to be as black as coal, twice as hot as any other known exoplanet, and hotter than some stars.

HD 149026 System Web Pages

HD 149026 System In the News

Discovered with Dopplar Spectrometry (Jul 2004)

Transit Detected, Found to Be Smallest Transiting Exoplanet (May 2005)

Thermal Emissions Detected, Hottest Exoplanet (Jan 2005)

Found to Have a Large Dense Core (Jul 2005)

A Saturn sized planet with a large dense core is discovered, gives credance to the core-accretion theory.

Planet detected by Amateur Astronomers (Jul 2005)

The day before the planet was announced, amateur astronomers detected its presense, becoming the third transiting planet detected by amateurs.

Interior Modelled (2006)

Found to be Black As Coal and Hottest Exoplanet (May 2007)