[Astronomy seminar] Astronomy seminar TIODAY 10:30 FC61: Emilia Kilpua
Astronomy seminar announcements
seminars-announce.astro-at-su.se at lists.su.se
Fri Mar 29 05:55:36 CET 2019
On 2019-03-25 05:56, Alexis Brandeker wrote:
> Astronomy seminar
> ================
>
> Time & location: Friday 29/3, 10:30 in FC61
>
> Speaker: Emilia Kilpua (Helsinki)
>
> Title: Determining magnetic field in coronal mass ejection flux ropes
>
> Abstract:
> The knowledge of the magnetic field structure of coronal mass
> ejections (CMEs) is crucial for understanding their early dynamics and
> eruptions as well as predicting their space weather effects at Earth.
> For example, this information is crucial for constraining the flux
> rope parameters both in first-principle space weather simulations
> (e.g, ENLIL, EUHFORIA and SUSANOO-CME) and in semi-empirical CME
> models. At the University of Helsinki Space Physics team we are
> developing both observational schemes and fully data-driven
> simulations to estimate the initial magnetic field in CME flux ropes.
> Observational scheme combines several indirect proxies, while our
> data-driven simulations uses a time-dependent magnetofrictional
> modelling (TMFM) approach to estimate the field self-consistently. In
> this seminar I will discuss the “Bz problem” from a space weather
> point of view and present the above mentioned activities within the team.
>
> Emilia will be hosted by Sanja Danilovic.
>
> Other upcoming Friday activities:
>
> 5/4 (Fri) @ 10:30: Christian Herenz (SU)
> 12/4 (Fri) : Open slot, NO SEMINAR scheduled (yet)
> 26/4 (Fri) @ 10:30: Ernst de Mooij (Dublin)
> 26/4 (Fri) @ 13:00: PhD defence of Tine Libbrecht in FB52
>
> All welcome!
> Alexis Brandeker (Astronomy seminar organiser VT 2019)
>
>
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