Exoplanetary Scratchpad

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Star system containing a planet discovered by dopplar spectrometry method and later found by amateurs to transit. At the time, it smashed the records for the furthest transiting planet (period of 21 d) and most eccentric orbit. A second, unconfirmed planet has also been proposed for this system.

HD 17156 System Web Pages

HD 17156 System In the News

Planet Discovered (Apr 2007)

Transit Detected by Amateurs (Oct 2007)

2nd Planet Proposed (Feb 2008)

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