[Astronomy seminar] [alla at astro.su.se] Astronomy seminar Friday 29/3 10:30 FC61: Emilia Kilpua

[Astronomy seminar announcements]

Correction: Time & location: Friday 29/3, 10:30 in FC61

On 2019-03-25 05:56, Alexis Brandeker wrote:
> Astronomy seminar
> ================
>
> Time & location: Friday 22/3, 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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