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SUMMARY:Spectral Signatures of Synthetic Solar Plage
DTSTART:20260401T113000Z
DTEND:20260401T123000Z
DTSTAMP:20260428T225000Z
UID:indico-event-9509@indico.fysik.su.se
DESCRIPTION:Speakers: Moa Skan (Stockholm University)\n\nUnderstanding of 
 how structures in the solar atmosphere are formed\, driven\, and how their
  energy dissipates into their surroundings is an important step in order t
 o solve the problem of why the Sun’s atmosphere is heated to high temper
 atures in its outer layers. Numerical simulations of dynamic structures ad
 vected in time are an essential tool for studying how they form and evolve
 \, as they enable access to physical quantities that are unavailable throu
 gh direct observations. The formation\, dynamics\, and observable signatur
 es of solar atmospheric structures are primarily governed by radiative tra
 nsfer\, which describes the interaction between photons and matter and det
 ermines the observable emission\, and magnetohydrodynamics\, which governs
  the dynamics of plasma and how it interacts with its surroundings.\nIn th
 is work\, we have used realistic 3D magnetohydrodynamic simulations that m
 odel the solar atmosphere from the upper convection zone to the lower coro
 na. The simulated structures and their dynamics are compared with observat
 ions using synthetic Hα and/or Si IV 1394 Å and 1403 Å spectral lines\,
  generated using radiative transfer calculations.\nIn this seminar\, I wil
 l present the main topic of my PhD thesis: the dynamics of small-scale str
 uctures and large-scale regions in the chromosphere and low transition reg
 ion\, and how these affect their observable quantities.\n\nhttps://indico.
 fysik.su.se/event/9509/
LOCATION:FC61 (AlbaNova Main Building)
URL:https://indico.fysik.su.se/event/9509/
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