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site-branding__slogan">XXXIXth meeting of the Astronomical Society of India<br>18 - 23 February 2021<br>Hosted jointly by ICTS - TIFR Bengaluru, IISER Mohali, IIT Indore and IUCAA Pune</div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <header role="banner" class="clearfix header region--light-typography region--colored-secondary-background fixed-width one-column"> <div class="container"> <div class="clearfix header__container"> <div class="row"> <div class="col-xs-12"> <div class="clearfix header__section header-first"> <div class="region region-header-first"> <div id="block-mainmenu" class="clearfix block block-superfish block-superfishmain"> <div class="content"> <ul id="superfish-main" class="menu sf-menu sf-main sf-horizontal sf-style-none"> <li id="main-menu-link-content526e96cf-b473-4a65-8df3-da7529a52a13" class="sf-depth-1 sf-no-children"><a href="/asi2021/" class="sf-depth-1">About ASI 2021</a></li><li 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id="main-menu-link-contentd3a5e590-290a-4bde-b5c0-c336d366f1b5" class="sf-depth-2 sf-no-children"><a href="/asi2021/workshop8" class="sf-depth-2">Workshop 8</a></li></ul></li><li id="main-menu-link-content757d2adf-b673-4d1d-91cc-76157245a9d2" class="sf-depth-1 menuparent"><span class="sf-depth-1 menuparent nolink">Other</span><ul><li id="main-menu-link-content21ebd5a7-37d8-418c-85ed-91a5160e2d83" class="sf-depth-2 sf-no-children"><a href="/asi2021/participation-geographical-distribution" title="" class="sf-depth-2">Geographical distribution of Participation</a></li><li id="main-menu-link-contente48cbe4a-d508-473d-a822-1102b49eefc1" class="sf-depth-2 sf-no-children"><a href="/asi2021/poec-teaching-session" class="sf-depth-2">ASI-POEC University Teaching of Astronomy Session</a></li><li id="main-menu-link-content3db6519d-1e05-4ea1-8476-e5069e7d65e2" class="sf-depth-2 sf-no-children"><a href="https://astron-soc.in/asi2021/sites/default/files/ASI2021_group_pic_en.jpg" title="" class="sf-depth-2 sf-external">Conference Group Picture</a></li></ul></li> </ul> </div> </div> </div> </div> </div> </div> </div> </div> </header> </div> <div class="system-messages clearfix"> <div class="container"> <div class="row"> <div class="col-md-12"> <div class="region region-system-messages"> <div data-drupal-messages-fallback class="hidden"></div> </div> </div> </div> </div> </div> <div id="main-content" class="clearfix main-content region--dark-typography region--white-background region--no-separator"> <div class="container"> <div class="clearfix main-content__container"> <div class="row"> <section class="col-md-12"> <div class="clearfix main-content__section" > <div class="region region-content"> <div id="block-guesthouse-lite-page-title" class="clearfix block block-core block-page-title-block"> <div class="content"> <h1 class="title page-title"><span class="field field--name-title field--type-string field--label-hidden">Recent Insights into Solar Active Region Dynamics (WS4)</span> </h1> </div> </div> <div id="block-guesthouse-lite-content" class="clearfix block block-system block-system-main-block"> <div class="content"> <article data-history-node-id="16" role="article" class="node node--type-workshops node--view-mode-full clearfix"> <div class="node__container"> <div class="node__main-content clearfix"> <header class="node__header"> </header> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p><strong>Objective:</strong><br /> Our Sun's magnetic field isresponsible for driving a diverse range of dynamic phenomena at the photosphere and in the outer atmospheric layers. The mechanisms that control the large-scale distribution of the surface magnetic field include differential rotation, meridional circulation, and supergranular flows. The magnetic field is structured on a wide range of spatial scales ranging from the smallest, granular-sized patches, to the largest, active regions that comprise one or several sunspots. Sunspot magnetic fields have been extensively studied since their detection in the early 20th century but a comprehensive understanding regarding their formation, evolution, fine structure, and dissolution still remains elusive. On the other hand, active regions store large amounts of magnetic free energy that can be impulsively released during flares and mass ejections, which are important drivers of space weather. Predicting the onset of eruptive flares, the energy associated with them and their subsequent geo-effectiveness has become ever so important in a technology-driven era for human sustenance. This underscores the importance of investigating active region dynamics to obtain a holistic picture of how the solar magnetic field is transported from the interior, its coupling of the atmosphere, and its modulation of space climate.</p> <p>We propose a one-day Online Workshop during the meeting of the ASI-2021 to address the following<br /> topics -<br /> 1) The physics of the solar dynamo and the nature of sub-photospheric flows in active regions,<br /> 2) The manner in which magneto-convection drives the emergence of flux,<br /> 3) The processes that contribute to the build up of free energy in powering flares, and<br /> 4) Application of Numerical Simulations & Machine Learning to investigate active region dynamics</p> <p>The focus of the Workshop would be on recent highlights in the field of active region dynamics with special emphasis on new diagnostic techniques, advanced numerical simulations, and data mining tools based on machine learning.</p> <p><strong>Participation and Schedule:</strong><br /> We invite participation from researchers, engineers, PhD students, and post docs working in the area of solar physics. There will be four sessions in the workshop pertaining to the topics described above, with each session being 1.5 hours in duration.</p> <p>Please see the <strong> <a href="https://astron-soc.in/asi2021/sites/default/files/workshops/WS4-Programme_0.pdf" target="_blank">Workshop programme</a></strong> and the <strong><a href="https://astron-soc.in/asi2021/sites/default/files/workshops/Abstract-Book.pdf" target="_blank">Abstract Book</a></strong>.</p> <p><strong>No. of expected Participants:</strong> 50</p> <p><strong>Tentative Invited Speakers:</strong><br /> Shravan Hanasoge (TIFR), Rahul Yadav (Stockholm University), Vema Reddy (IIA), B. Ravindra (IIA), Ranadeep Sarkar (University of Helsinki)</p> <p><strong>Workshop Resources:</strong><br /> USO/PRL will host the Online Workshop as similar events have been conducted recently with live streaming capability.</p> <p><strong>Workshop Proposers:</strong><br /> Rohan Eugene Louis, (USO/PRL), Nandita Srivastava (USO/PRL), Shibu K. Mathew (USO/PRL), Piyali Chatterjee (IIA), Bidya Binay Karak (IIT-BHU)</p> </div> </div> </div> </article> </div> </div> </div> </div> </section> </div> </div> </div> </div> <footer id="footer" class="clearfix footer region--light-typography region--colored-secondary-background region--separator-border-top "> <div class="container"> <div class="clearfix footer__container"> <div class="row"> <div class="col-sm-6 col-md-3"> <div class="clearfix footer__section footer-first" > <div class="region region-footer-first"> <div id="block-quicklinks" class="clearfix block block-block-content block-block-contentad38e798-9704-44a3-b7ff-d500d842a56a"> <h2 class="title">Quick Links</h2> <div class="content"> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p><a href="https://astron-soc.in/" target="_blank">Astronomical Society of India</a></p> <p><a href="https://www.youtube.com/channel/UCAQjpL4n1RI-_XhspocMElg/featured" target="_blank">ASI YouTube Channel</a></p> <p><a href="https://astron-soc.in/asi2020/" target="_blank">ASI 2020 Meeting</a></p> <p><a href="https://astron-soc.in/outreach" target="_blank">Public Outreach Committee of ASI</a></p> <p><a href="https://astron-soc.in/wgge" target="_blank">Working Group for Gender Equity</a></p> </div> </div> </div> </div> </div> </div> <div class="col-sm-6 col-md-3"> <div class="clearfix footer__section footer-second" > <div class="region region-footer-second"> <div id="block-contactus" class="clearfix block block-block-content block-block-contentc4772446-c835-46df-91c1-370a02c10c24"> <h2 class="title">Contact Us</h2> <div class="content"> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>For Web Portal Contact:<br /><a href="mailto:secretary@astron-soc.in">secretary@astron-soc.in</a></p> <p>For Scientific Issues:<br /><a href="mailto:asi2021soc@gmail.com">asi2021soc@gmail.com</a></p> </div> </div> </div> </div> </div> </div> <div class="clearfix visible-sm-block"></div> <div class="col-sm-6 col-md-3"> <div class="clearfix footer__section footer-third" > <div class="region region-footer-third"> <div id="block-otherlinks" class="clearfix block block-block-content block-block-contentca0b7549-ee1f-44d1-8049-5e5e4fb0f9ad"> <h2 class="title">Other Links</h2> <div class="content"> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p><a href="https://www.icts.res.in/" target="_blank">ICTS - 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