[Astronomy seminar] Astronomy seminar via zoom, 04 June 10:30: Deborah Baker

[Astronomy seminar announcements]

Reminder: seminar talk by Deborah Baker at 10:30 am today (in 60 minutes)

Participation link: https://stockholmuniversity.zoom.us/j/69354335160

________________________________
From: Alla-at-astro.su.se <alla-at-astro.su.se-bounces at lists.su.se> on behalf of Matthias Samland <matthias.samland at astro.su.se>
Sent: Monday, May 31, 2021 12:45 PM
Subject: [alla at astro.su.se] Astronomy seminar via zoom, 04 June 10:30: Deborah Baker


Dear all,

On Friday 04 June at 10:30 we will have the next Astronomy Seminar, remotely via zoom.

Our speaker is Deborah Baker from University College London, UK.

Title: How can magnetic activity change the plasma composition of solar and stellar coronae?

Abstract:
Plasma composition in stellar coronae can differ from that of their photospheres. The cause of which is one of the open questions in astrophysics. As our nearest star, the Sun has long been used as a local laboratory, with measurements of its chemical composition providing a reference for comparable measurements of phenomena across the Universe. Fourteen years of spatially resolved spectroscopic observations provided by Hinode/EIS have fundamentally changed our understanding of how plasma composition in the solar corona varies in space and time depending on magnetic activity on all scales. I will discuss how magnetic wave activity in the solar lower atmosphere and reconnection beneath the solar surface can directly change the plasma composition we observe in the corona. The insight gained in our understanding of the processes in creating plasma composition variability in the solar atmosphere goes beyond solar physics, as it informs us about how and why the coronae of solar type stars and M dwarfs are dominated by different plasma composition.

https://www.albanova.se/event/deborah_baker/

We will have the colloquium using zoom. You will find the invitation at the end of this email.

Some guidelines:

1) Join the session with your microphone muted.

2) When you have a question, press the “raise hand button” and wait till you are asked to ask your question.

3) The session will be online from 10:20, please join at least a few minutes early as we would like to start 10:30 sharp.

We hope to see all of you there!

Matthias & Janet

Upcoming events:
11/06: Astronet webinar
-> summer break
===================================================

Participation link: https://stockholmuniversity.zoom.us/j/69354335160
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.su.se/pipermail/seminars-announce.astro-at-su.se/attachments/20210604/29cb4dbc/attachment.html>