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TZID:Europe/Paris
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UID:5@osups.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20250213T110000
DTEND;TZID=Europe/Paris:20250213T120000
DTSTAMP:20250207T161724Z
URL:https://osups.universite-paris-saclay.fr/calendrier/helio-and-asterose
 ismic-inferences-of-the-properties-of-transport-processes-in-stellar-inter
 iors/
SUMMARY:Helio- and asteroseismic inferences of the properties of transport 
 processes in stellar interiors
DESCRIPTION:par Gaël Buldgen (Univ. Genève)\n\nSalle : RDC du bât. 209D\
 n\nRésumé :\n\nIn this seminar\, I will discuss how high-quality helio- 
 and asteroseismic data allows to draw a global picture of the current issu
 es linked with angular momentum transport in the Sun and stars. I will dis
 cuss results on the “smoking gun” of lithium and beryllium depletion b
 ased on recent observations and how it may help us derive contraints on th
 e main-sequence and how the solar case may help us infer precisely an “a
 lmost model-independent” radiative opacity profile in the solar radiativ
 e zone. This opacity profile can be compared to up-to-date ab-initio calcu
 lations and shine new light on potential missing processes in opacity comp
 utations. Finally\, I will put into perspective how the solar problem is d
 irectly linked with the results of new inversions of the internal rotation
  profile of subgiant stars observed by Kepler.\n\n 
LOCATION:IAS\, Bât. 121 rue Jean Teillac\, Orsay\, 91400\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Bât. 121 rue Jean Teillac\
 , Orsay\, 91400\, France;X-APPLE-RADIUS=100;X-TITLE=IAS:geo:0,0
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TZID:Europe/Paris
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DTSTART:20241027T020000
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