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SUMMARY:Dynamic duos\, the interaction between exoplanet atmospheres and t
 heir host stars
DTSTART;VALUE=DATE-TIME:20220909T141500Z
DTEND;VALUE=DATE-TIME:20220909T143000Z
DTSTAMP;VALUE=DATE-TIME:20240704T115924Z
UID:indico-contribution-112@meetings.aip.de
DESCRIPTION:Speakers: Gwenael Van Looveren (University of Vienna)\nWith ad
 vances in exoplanet detection\, thousands exoplanets have been discovered 
 including almost 200 confirmed rocky exoplanets. This leaves us with a lar
 ge number of possible targets in the search for biomarkers. A quick look a
 t our own solar system shows that not every planet can hold on to a signif
 icant or habitable atmosphere for an extended amount of time. Whether a pl
 anet can hold on to its atmosphere depends strongly on the XUV radiation o
 f the star and the chemical composition of the atmosphere. To this end we 
 use the Kompot code\, an upper atmosphere thermo-chemical code\, developed
  at the University of Vienna. By modelling the interaction between these t
 wo factors we can exclude scenarios where the atmosphere would not survive
  long enough for possible life to form. This work will also present how gr
 ids of such model atmospheres can be used to constrain the chemical compos
 ition and identify which biomarkers remain abundant under the stellar radi
 ation.\n\nhttps://meetings.aip.de/event/16/contributions/112/
LOCATION:Leibniz Institute for Astrophysics Potsdam (AIP) Lecture Hall
URL:https://meetings.aip.de/event/16/contributions/112/
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