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SUMMARY:ESO/VLT observations of exoplanet transmission and emission spectr
 a - Monika Lendl (Space Research Institute\, Graz)
DTSTART:20151118T160000Z
DTEND:20151118T170000Z
UID:TALK61483@talks.cam.ac.uk
CONTACT:Dr B.-O. Demory
DESCRIPTION:Transiting planets play an important role in the study of extr
 asolar planet atmospheres. Multi-wavelength observations of transits provi
 de measurements of the planetary transmission spectrum\, while measurement
 s of occultations allow to constrain the planetary emission\, and\, if obs
 erved at several wavelengths allow access to the planetary emission spectr
 um. From such observations\, information on the planet's atmospheric compo
 sition\, the presence of high-altitude cloud structures\, and the atmosphe
 res thermal profile can be inferred.\n\nI will present our ongoing observi
 ng program targeting hot giant planets with large ground-based facilities.
  I will discuss in detail a transmission spectrum of the transiting hot Sa
 turn WASP-49b that was obtained with the FORS2 instrument\, and discuss st
 rategies to deal with substantial instrument systematics affecting FORS2. 
 I will further present first results for WASP-43b\, which has been observe
 d in occultation with  the KMOS instrument\, covering the H and K bands.
LOCATION:Martin Ryle Seminar Room\, Kavli Institute
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