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<p>Reminder: Seminar with Patrick Antoli at 10:30 today (in 20 minutes)</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Alla-at-astro.su.se <alla-at-astro.su.se-bounces@lists.su.se> on behalf of Janet Ting-Wan Chen <janet.chen@astro.su.se><br>
<b>Sent:</b> Monday, April 5, 2021 8:56:18 PM<br>
<b>Subject:</b> [alla@astro.su.se] Astronomy seminar via zoom, 9 April 10:30: Patrick Antolin</font>
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<div class=""><span style="font-size: 14px;" class="">Dear all,</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">On Friday April 9 at 10:30, we will have the next Astronomy Seminar, remotely via zoom.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Our speaker is Patrick Antolin from the Northumbria University.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Title: Nanojets of coronal heating</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Abstract: The solar corona is shaped and mysteriously heated to millions of degrees by the Sun’s magnetic field. It has long been hypothesized that the heating results from a myriad of tiny magnetic energy
outbursts called nanoflares, driven by the fundamental process of magnetic reconnection. Misaligned magnetic field lines can break and reconnect, producing nanoflares in avalanche-like processes. However, no direct and unique observations of such nanoflares
exist to date, and the lack of a smoking gun has cast doubt on the possibility of solving the coronal heating problem. From coordinated multi-band high-resolution observations, we report on the discovery of very fast and bursty nanojets, the telltale signature
of reconnection-based nanoflares resulting in coronal heating. The nanojet is uniquely characterised by being transverse to the loop and appears as a unidirectional jet from the reconnection point. Isolated and clustered nanojets are detected, and a myriad
are observed in an avalanche-like progression, leading to the formation of a coronal loop. Using state-of-the-art numerical simulations, we demonstrate that the nanojet is a consequence of the slingshot effect from the magnetically tensed, curved magnetic
field lines reconnecting at small angles. Nanojets are therefore the key signature of reconnection-based coronal heating in action.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class=""><a href="https://www.albanova.se/event/patrick_antolin/" class="">https://www.albanova.se/event/patrick_antolin/</a></span></div>
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<div class=""><span style="font-size: 14px;" class="">We will have the colloquium using zoom. You will find the invitation at the end of this email.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Some guidelines:</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">1) Join the session with your microphone muted.</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">2) When you have a question, press the “raise hand button” and wait till you are asked to ask your question. </span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">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.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">We hope to see all of you there!</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Matthias & Janet</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Upcoming events: </span></div>
<div class=""><span style="font-size: 14px;" class="">16/04: Paul Molliere (MPIA)</span></div>
<div class=""><span style="font-size: 14px;" class="">23/04: Marta Reina-Campos (McMaster University) *talk time at 2pm CEST*</span></div>
<div class=""><span style="font-size: 14px;" class="">30/04: Alexis Brandeker (SU)</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">===================================================</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Janet Ting-Wan Chen is inviting you to a scheduled Zoom meeting.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Topic: Astronomy Seminar Patrick Antolin</span></div>
<div class=""><span style="font-size: 14px;" class="">Time: Apr 9, 2021 10:30 AM Stockholm</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">Join Zoom Meeting</span></div>
<div class=""><span style="font-size: 14px;" class=""><a href="https://stockholmuniversity.zoom.us/j/67529299504" class="">https://stockholmuniversity.zoom.us/j/67529299504</a></span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">Meeting ID: 675 2929 9504</span></div>
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<div class=""><span style="font-size: 14px;" class="">Meeting ID: 675 2929 9504</span></div>
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