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SUMMARY:Photometric follow-up of transit surveys detections - Laetitia Del
 rez (Liege)
DTSTART:20151104T160000Z
DTEND:20151104T170000Z
UID:TALK60723@talks.cam.ac.uk
CONTACT:Dr B.-O. Demory
DESCRIPTION:Twenty years after the first discovery of an extrasolar planet
  orbiting a solar-type star\, the present exoplanet harvest now exceeds 19
 00 planets\, of which over 1250 are transiting. These transiting planets a
 re of particular interest as their special geometric configuration provide
 s us with a unique opportunity to study their structural\, orbital\, and a
 tmospheric properties. Large photometric transit surveys very often need f
 ollow-up photometry of their candidates at higher spatial/temporal resolut
 ion and higher precision to confirm new detections and determine precisely
  the parameters of the discovered systems. In this context\, I will first 
 present the photometric follow-up program of transit surveys that is carri
 ed out on the 0.6m TRAPPIST robotic telescope and its main results in five
  years of operation. I will then describe the discovery and remarkable phy
 sical properties of the WASP-121 planetary system\, one of the many planet
 ary systems co-detected with TRAPPIST. I will conclude with some results o
 f an intensive photometric campaign aiming to probe the emission spectrum 
 of the extreme hot Jupiter WASP-103b using TRAPPIST\, and the 1.2-m Euler/
 EulerCam and 3.6-m CFHT/WIRCam instruments.
LOCATION:Martin Ryle Seminar Room\, Kavli Institute
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