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SUMMARY:The CHEWIE survey of giant exoplanet atmospheres - Monika Lendl (G
 raz)
DTSTART:20180208T113000Z
DTEND:20180208T123000Z
UID:TALK98095@talks.cam.ac.uk
CONTACT:Ed Gillen
DESCRIPTION:During planetary transit\, stellar light is filtered through a
 n exoplanet's atmosphere\, revealing the planet's atmospheric properties t
 hrough wavelength-dependent absorption features. An increasing number of t
 ransmission spectra have been observed to date\, forming a key data set fo
 r constraining planetary atmospheric compositions. They and have also reve
 aled that atmospheric aerosols in the form of clouds and hazes are a commo
 n feature in exoplanet atmospheres. Major advances have been made regardin
 g the optimization of observation and analysis of ground-based data in thi
 s context\, and ground-based facilities are becoming important players in 
 studying exoplanets.\n\nI will present CHEWIE (Clouds\, Hazes and Elements
  vieWed on gIant Exoplanets)\, a survey of exoplanet transmission spectra 
 with large ground-based facilities\, primarily using FORS2 at the ESO VLT 
 and GMOS at the Gemini telescope. I will give an overview on the survey an
 d present recent results such as the first transmission spectrum of WASP-1
 03b\, one of the most massive (1.5 $M_J$) and hottest (2500 K) planets cha
 racterized so far through transmission spectroscopy.
LOCATION:Martin Ryle Seminar Room\, Kavli Institute
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