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<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Dear all,</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">The next weekly SU
</span></font><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span id="0.8659672994747399" lang="en-US" style="font-size:11pt">astronomy
</span></font><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">departmental seminar will take place the upcoming Friday December 06, at 10:30am in room FC61 (AlbaNova building, 6th floor) and on zoom(</span></font><a href="https://stockholmuniversity.zoom.us/j/61550693125" target="_blank" rel="noopener noreferrer" id="LPlnk486486"><span id="LPlnk486486" lang="en-US"><span id="LPlnk486486"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span id="LPlnk486486" style="font-size:11pt">https://stockholmuniversity.zoom.us/j/61550693125</span></font></span></span></a><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">).</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">————————————————————</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Speaker: Dr Andrii Sukhorukov<font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="3" color="black"><span id="divtagdefaultwrapper" style="font-size:12pt"><font face="wf_segoe-ui_normal,Segoe UI,Segoe WP,Tahoma,Arial,sans-serif,serif,EmojiFont"><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="3" color="black"><span id="x_x_divtagdefaultwrapper" style="font-size:12pt"><font face="wf_segoe-ui_normal,Segoe UI,Segoe WP,Tahoma,Arial,sans-serif,serif,EmojiFont"><font face="Calibri,Helvetica,sans-serif,serif,EmojiFont" size="3" color="black"><span id="x_x_x_divtagdefaultwrapper" style="font-size:12pt"><font color="black"><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="3" color="black"><span id="x_x_x_divtagdefaultwrapper" style="font-size:12pt"><font face="wf_segoe-ui_normal,Segoe UI,Segoe WP,Tahoma,Arial,sans-serif,serif,EmojiFont"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"></span></font></font></span></font></font></span></font></font></span></font></font></span></font></span></font><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"></span></font><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">
(Stockholm University)<br>
</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Title: <font size="2"><span style="font-size:10pt">Scattering Polarization in the Wings of Solar Mg II k&h Lines near 280 nm</span></font></span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Event:
</span></font><span lang="en-US"><a href="https://indico.fysik.su.se/event/8962/" class="OWAAutoLink">https://indico.fysik.su.se/event/8962/</a><br>
</span></div>
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</span></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Abstract:
</span></font><span lang="en-US"><br>
</span></div>
<div style="margin:0"><span lang="en-US"><br>
</span></div>
<div style="margin:0"><span lang="en-US"><span style="font-size:10pt">The CLASP2 rocket experiment was performed on April 11, 2019. It is observed the solar chromosphere in the Mg II resonant doublet near 280 nm for three targets: the quiet Sun at the disk
center, at the limb, and an active plage at midway. Slit spectra in all four Stokes parameters were obtained in the UV. The limb target revealed profile shapes for the linear polarization caused by quantum interference in the upper term 2Po. This confirmed
the theoretical prediction of Stenflo (1980), recently thoroughly investigated by Belluzzi and Trujillo Bueno (2012). We have developed two numerical modules for the PORTA radiative transfer code to interpret these data through forward modeling. We have solved
the transfer problem numerically, including the effects of 3D geometry, partial redistribution of scattered photons, and quantum interference in a two-term atom. In this talk, I will describe the observational experiment, the theoretical method's complexity,
computational demands, and approximations, show synthetic data, and discuss the importance of various effects, from spatial symmetry breaking to quantum interference.</span><br>
</span></div>
<div style="margin:0"><span lang="en-US"><br>
</span></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Zoom ID: 615 5069 3125</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">—————————————————————</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">We look forward to seeing many of you there. Thanks!</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Anjasha and Mingjie</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Upcoming Events</span></font></div>
<ul style="margin-top:0; margin-bottom:0">
<li><font face="Calibri,Helvetica,sans-serif,serif,EmojiFont" size="3" color="black"><span id="x_x_x_divtagdefaultwrapper" style="font-size:12pt"><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="3" color="black"><span id="x_x_x_divtagdefaultwrapper" style="font-size:12pt"><font face="Arial,Helvetica,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Dec
18 Eric Andersson (Join Nordita & SU Astronomy Seminar)</span></font></span></font></span></font><br>
</li><li>
<div style="margin:0"><font face="Arial,Helvetica,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">
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<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">You can subscribe to the seminars calendar in:</span></font></div>
<div style="margin:0"><a href="https://ttt.astro.su.se/ical/astro-seminars.ics" target="_blank" rel="noopener noreferrer" id="LPlnk399564"><span id="LPlnk399564" lang="en-US"><span id="LPlnk399564"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span id="LPlnk399564" style="font-size:11pt">https://ttt.astro.su.se/ical/astro-seminars.ics</span></font></span></span></a></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">(Please note that calendar can be subject to updates)</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">___________________</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Join Zoom Meeting</span></font></div>
<div style="margin:0"><a href="https://stockholmuniversity.zoom.us/j/61550693125" target="_blank" rel="noopener noreferrer" id="LPlnk19020"><span id="LPlnk19020" lang="en-US"><span id="LPlnk19020"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span id="LPlnk19020" style="font-size:11pt">https://stockholmuniversity.zoom.us/j/61550693125</span></font></span></span></a></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">Meeting ID: 615 5069 3125</span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">** Just a small note for the people who prefer slack in OKC, we have created a channel here -
</span></font><a href="https://join.slack.com/share/enQtNzY4MzA3MjEzNDA1NC05M2NiY2UzOGRiZjY0YTFhZDZjMzA1ZjkwZjJjYTBiM2JhNzExOGVmMDlkYTBkNjMxMmY3ZTdiY2UzNjcxNzk3" target="_blank" rel="noopener noreferrer" id="LPlnk233477"><span id="LPlnk233477" lang="en-US"><span id="LPlnk233477"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span id="LPlnk233477" style="font-size:11pt">https://join.slack.com/share/enQtNzY4MzA3MjEzNDA1NC05M2NiY2UzOGRiZjY0YTFhZDZjMzA1ZjkwZjJjYTBiM2JhNzExOGVmMDlkYTBkNjMxMmY3ZTdiY2UzNjcxNzk3</span></font></span></span></a></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt"> </span></font></div>
<div style="margin:0"><font face="Calibri,sans-serif,serif,EmojiFont" size="2"><span lang="en-US" style="font-size:11pt">We will be posting updates there as well.</span></font></div>
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