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UID:20260518T224907-04-2754CaVMGV@https://astronomia.uc.cl/2jucext1/institu
 toastrofisica/
DTSTAMP:20260519T024907Z
DESCRIPTION:\n\n\n\nHow tidal forces &amp\; rotation show up on the “Hybrid
 ” pulsation of binary systems with intermediate-mass A/F-type companions\n
 Anya Samadi Ghadim&nbsp\;\nUniversidad Diego Portales\n&nbsp\;\nAsteroseis
 mology is a formidable tool in astrophysics\, which allows us to investiga
 te the interior structure of stars based on phenomena observed at their su
 rface. This knowledge is essential for a detailed understanding of both st
 ellar structure and stellar evolution. ? Dor/? Scuti variables\, two subgr
 oups of classical A/F-type pulsators\, are intriguing objects with regard 
 to their stellar interior. They are located at the cross-section of the Ce
 pheid instability strip and the main sequence. “Hybrid” stars have both de
 tectable ? Dor (g modes) and detectable ? Scuti (p modes) pulsations in th
 eir Fourier spectrum.&nbsp\;&nbsp\;Pulsation study of these stars delivers
  very impressive information like the interior rotation rates and stratifi
 cation properties of stars\, only based on unprecedented light curves from
  space missions like Kepler (K2) and TESS. We expect that a significant fr
 action of the ? Dor/? Scuti stars resides in binary or multiple systems (M
 F ? 50%s). The detection of pulsations in binary systems not only provides
  an additional tool to derive stellar parameters in an independent way but
  is also the perfect laboratory to check the influence of binarity (e.g. e
 ccentricity\, tidal effects\, mass transfer\, chemical peculiarities\, pre
 sence of a third body on stellar structure\, stellar evolution and the exc
 ited oscillation modes.&nbsp\;\n\n\n\n\n&nbsp\;\n\n&nbsp\;\n https://astro
 nomia.uc.cl/2jucext1/institutoastrofisica/es/instituto/seminarios/evento/4
 63-nuevo-eventohow-tidal-forces-rotation-show-up-on-the-hybrid-pulsation-o
 f-binary-systems-with-intermediate-mass-a-f-type-companions-anya-samadi-gh
 adim
DTSTART:20200916T040000Z
LOCATION:Santiago Chile ()
SUMMARY:Nuevo eventoHow tidal forces & rotation show up on the “Hybrid” pul
 sation of binary systems with intermediate-mass A/F-type companions  -  An
 ya Samadi Ghadim 
URL:https://astronomia.uc.cl/2jucext1/institutoastrofisica/es/instituto/sem
 inarios/evento/463-nuevo-eventohow-tidal-forces-rotation-show-up-on-the-hy
 brid-pulsation-of-binary-systems-with-intermediate-mass-a-f-type-companion
 s-anya-samadi-ghadim
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