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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 September 18, 10:30, we will have the PhD seminar remotely via zoom.</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Our speaker is João da Silva Santos from Stockholm University and he will speak about:</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Title: Probing the solar chromosphere with millimeter interferometry</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">Abstract: The landscape of active regions in the solar atmosphere is marked by extended, bright patches named plage regions as well as loop-like structures which trace magnetic field lines that confine plasma
several megameters above the solar surface. Within these environments, it is also common to observe different types of small-scale, short-lived optical and ultraviolet brightenings, which have been linked to magnetic reconnection processes in the low atmosphere.
Therefore, solar active regions can be regarded as plasma laboratories for the study of the interplay between gas dynamics and magnetic fields. However, progress has been somewhat hampered partly due to the difficulty in interpreting the most widely used spectral
diagnostics.</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">In this seminar I will discuss how a new observing window opened by the Atacama Large Millimeter/submillimeter Array (ALMA) can be used to address many unsettled questions in solar physics and, particularly,
I will show some of the first results of solar active region studies with ALMA. The diagnostic capabilities of the millimeter continuum for both hot and cold regions and for persistent heating in plage and transient phenomena in flux emergence regions will
be highlighted. I will also explore the synergy between ALMA and other facilities observing at different wavelengths.</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<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>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">Some guidelines:</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</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>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</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>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">We hope to see all of you there!</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">Arjan & 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=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">25/9: Freeke van der Voort (Cardiff, UK)</span></div>
<div class=""><span style="font-size: 14px;" class="">2/10: Ernest Alsina (Locarno, Switserland)</span></div>
<div class=""><span style="font-size: 14px;" class="">9/10: Enric Palle (IAC, Spain)</span></div>
<div class=""><span style="font-size: 14px;" class="">16/10: Charlotte Angus (DARK, Denmark)</span></div>
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</span></div>
<div class=""><span style="font-size: 14px;" class="">===========================================</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">Janet Ting-Wan Chen is inviting you to a scheduled Zoom meeting.</span></div>
<div class=""><span style="font-size: 14px;" class=""><br class="">
</span></div>
<div class=""><span style="font-size: 14px;" class="">Topic: Astronomy Seminar João Santos</span></div>
<div class=""><span style="font-size: 14px;" class="">Time: Sep 18, 2020 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>
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<div class=""><span style="font-size: 14px;" class="">Meeting ID: 625 5998 0654</span></div>
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<div class=""><span style="font-size: 14px;" class="">---------------------------</span></div>
<div class="">
<div class=""><span class="" style="font-size: 14px;">Dr. Janet Ting-Wan Chen</span></div>
<div class=""><span class="" style="font-size: 14px;">Marie Skłodowska-Curie Fellow </span></div>
<div class=""><span class="" style="font-size: 14px;">The Oskar Klein Centre, Department of Astronomy, </span></div>
<div class=""><span class="" style="font-size: 14px;">AlbaNova, SE-106 91 Stockholm, Sweden </span></div>
<div class=""><span class="" style="font-size: 14px;">phone:+46 76 697 7965</span></div>
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