n MNASSA : Monthly Notes of the Astronomical Society of South Africa - Strange extrasolar planet discovered by SuperWASP : news notes

Volume 68, Issue 9_10
  • ISSN : 0024-8266



With 373 extrasolar planets known as of 13 September, the discovery of another one might not seem so extraordinary. But, over the period May to December of the years 2006 and 2007, the WASP telescope at Sutherland has made 8235 photometric observations of the star HD10069, known as WASP-18, a relatively young main-sequence object of type F6. This star shows a recurrent dip of about 1% in brightness, with a period of 0.94 days, which must be caused by a planet passing in front of it. The planet has been named WASP-18b.

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