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<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is a gentle reminder for the departmental seminar in around an hour (10:30am) in FC61.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Mingjie and Anjasha<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Alla-at-astro.su.se <alla-at-astro.su.se-bounces@lists.su.se>
<b>On Behalf Of </b>Mingjie Jian via Alla-at-astro.su.se<br>
<b>Sent:</b> Monday, October 28, 2024 11:58<br>
<b>To:</b> alla@astro.su.se; seminars-announce.astro-at-su.se@lists.su.se<br>
<b>Subject:</b> [alla@astro.su.se] Astronomy departmental seminar November 1 at 10:30am - Dr. Avinash Singh (Stockholm University)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The next weekly SU astronomy departmental seminar will take place on Friday November 1, at 10:30am in room FC61 (AlbaNova building, 6th floor) and on zoom(<a href="https://stockholmuniversity.zoom.us/j/61550693125">https://stockholmuniversity.zoom.us/j/61550693125</a>).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">————————————————————<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Speaker: Dr Avinash Singh (Stockholm University)<o:p></o:p></p>
<p class="MsoNormal">Title: Factors shaping the Heterogeneity in Observational Signatures of Hydrogen-rich Supernovae<o:p></o:p></p>
<p class="MsoNormal">Event: <a href="https://indico.fysik.su.se/event/8825/">https://indico.fysik.su.se/event/8825/</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Abstract: <o:p></o:p></p>
<p class="MsoNormal">Hydrogen-rich supernovae (SNe II) show a wide diversity in their light curves and spectral evolution, shaped by differences in the progenitor stars that produce them, the explosion, and their immediate environment. In this talk, I'll dive
into the main factors that contribute to this diversity, including the star’s hydrogen envelope mass and radius, explosion energy, metallicity, circumstellar material (CSM), and the amount of radioactive nickel (56Ni) synthesized, as well as the extent of
56Ni mixing within the ejecta. Drawing results from work on several SNe II, I’ll look at how these aspects influence early flux excess, light curve decline rates, color evolution, and spectroscopic evolution of line widths and line profiles. I’ll also discuss
insights from polarimetric observations, which reveal explosion asymmetries, and consider how interactions with the surrounding CSM create distinctive spectral and light curve signatures. Using observational data along with theoretical models, this presentation
aims to shed light on the factors that drive the heterogeneity in SNe II and the characteristics of their progenitor systems.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Zoom ID: 615 5069 3125<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">—————————————————————<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We look forward to seeing many of you there. Thanks!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Mingjie and Anjasha<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Upcoming Events<o:p></o:p></p>
<p class="MsoNormal"><span lang="SV">- Nov 8 Ella Xi Wang<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="SV">- Nov 15 Giuseppe Morello<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="SV">- Nov 22 Brian Thorsbro<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="SV"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="SV"> <o:p></o:p></span></p>
<p class="MsoNormal">You can subscribe to the seminars calendar in:<o:p></o:p></p>
<p class="MsoNormal"><a href="https://ttt.astro.su.se/ical/astro-seminars.ics">https://ttt.astro.su.se/ical/astro-seminars.ics</a><o:p></o:p></p>
<p class="MsoNormal">(Please note that calendar can be subject to updates)<o:p></o:p></p>
<p class="MsoNormal">___________________<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Join Zoom Meeting<o:p></o:p></p>
<p class="MsoNormal"><a href="https://stockholmuniversity.zoom.us/j/61550693125">https://stockholmuniversity.zoom.us/j/61550693125</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Meeting ID: 615 5069 3125<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">** Just a small note for the people who prefer slack in OKC, we have created a channel here -
<a href="https://join.slack.com/share/enQtNzY4MzA3MjEzNDA1NC05M2NiY2UzOGRiZjY0YTFhZDZjMzA1ZjkwZjJjYTBiM2JhNzExOGVmMDlkYTBkNjMxMmY3ZTdiY2UzNjcxNzk3">
https://join.slack.com/share/enQtNzY4MzA3MjEzNDA1NC05M2NiY2UzOGRiZjY0YTFhZDZjMzA1ZjkwZjJjYTBiM2JhNzExOGVmMDlkYTBkNjMxMmY3ZTdiY2UzNjcxNzk3</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We will be posting updates there as well.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Mingjie Jian<o:p></o:p></p>
<p class="MsoNormal">Postdoctoral Researcher<o:p></o:p></p>
<p class="MsoNormal">Department of Astronomy<o:p></o:p></p>
<p class="MsoNormal">Stockholm University<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">AlbaNova University Center<o:p></o:p></p>
<p class="MsoNormal">Roslagstullsbacken 21,<o:p></o:p></p>
<p class="MsoNormal">114 21 Stockholm, Sweden<o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:mingjie.jian@astro.su.se">mingjie.jian@astro.su.se</a>
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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