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SUMMARY:Emelie Siderud (UU): Unravelling the Winds of Dying Stars: Dust op
 acities and Pulsation properties (Pre-defence seminar)
DTSTART:20260910T120000Z
DTEND:20260910T130000Z
DTSTAMP:20260914T115700Z
UID:indico-event-2181@indico.uu.se
DESCRIPTION:Title: Unravelling the Winds of Dying Stars: Dust opacities a
 nd Pulsation properties Speaker: Emelie Siderud Affiliation: Uppsala U
 niversitet Room: Å100155 Time: 14:00-15:00 Abstract:Stars with initi
 al masses of about 0.8–8 solar masses evolve through an asymptotic giant
  branch (AGB) phase\, during which they experience extensive mass loss thr
 ough strong stellar winds. These winds are driven by a two-step process: s
 tellar pulsations generate shock waves that levitate material from the ste
 llar surface\, enabling the formation of dust grains\, after which radiati
 on pressure on the dust accelerates the material to form a wind.During my 
 PhD\, I have investigated how dust and pulsation properties affect the win
 ds of AGB stars. I have computed large grids of radiation-hydrodynamical D
 ARWIN models and explored the effects of different input parameters on the
  resulting winds. In particular\, I investigate the impact of dust optical
  properties\, as well as pulsation periods and phase shifts between radial
  and luminosity variations. Together\, these studies provide insight into 
 how uncertainties in dust and pulsation properties affect our predictions 
 of AGB stellar winds. \n\nhttps://indico.uu.se/event/2181/
LOCATION:Å100155
URL:https://indico.uu.se/event/2181/
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