<div dir="ltr"><div dir="ltr"><div><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Dear colleagues,</span></div><div class="gmail_quote"><div dir="ltr"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif"><br></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline">We are pleased to announce the first joint ISWI - SCOSTEP/COURSE online seminar of 2026 by</span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-weight:700;vertical-align:baseline"> </span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"> <span lang="EN-IN" style="line-height:13.91px"><b>Prof. Dibyendu Chakrabarty,</b></span> scheduled for </span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-weight:700;vertical-align:baseline">May 27th, 2026, at </span><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><b>14:00 UTC</b>. </span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif"><br></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font face="arial, sans-serif"><span style="color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline">To attend the Webinar, please register </span><a href="https://iswi-secretariat.org/home-page/meetings/iswi-webinars/iswi-webinar-registration/" style="text-decoration-line:none" target="_blank"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;text-decoration-line:underline;vertical-align:baseline;background-color:rgb(255,255,255)"><font color="#0b5394">here</font></span></a></font><font face="arial, sans-serif"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><span style="background-color:rgb(255,255,255)"><font color="#0b5394">.</font></span><font color="#000000"> The MS Teams link will be sent to registered participants 2 days before the event.</font></span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif">For your reference, past  Webinars can be found here (<a href="https://cdaw.gsfc.nasa.gov/webinars/ISWI/)" target="_blank">https://cdaw.gsfc.nasa.gov/webinars/ISWI/)</a> and SCOSTEP seminars can be found here (<a href="https://cicr.isee.nagoya-u.ac.jp/site1/info_e/scostep_seminar.html" target="_blank">https://cicr.isee.nagoya-u.ac.jp/site1/info_e/scostep_seminar.html</a>).</font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif"><br></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><font color="#000000" face="arial, sans-serif">With kind regards,</font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><font color="#000000" face="arial, sans-serif">on behalf of the ISWI - SCOSTEP/COURSE online seminars Committee</font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif"><br></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#000000" face="arial, sans-serif">Geetashree Kakoti  (on behalf  <a href="https://scostep.org/online-seminar-series/" target="_blank">SCOSTEP/COURSE online seminar</a>)</font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Graciela Molina (on behalf of the</span><a href="https://iswi-secretariat.org/home-page/organization/iswi-webinar-committee" style="font-family:arial,sans-serif" target="_blank"> ISWI Webinar committee</a><span style="color:rgb(0,0,0);font-family:arial,sans-serif">)</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="color:rgb(0,0,0);font-family:arial,sans-serif"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="color:rgb(0,0,0);font-family:arial,sans-serif"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;vertical-align:baseline"><font color="#000000" face="arial, sans-serif">***********************************************</font></span></p><font color="#000000"><u style="font-family:arial,sans-serif">Title</u><font face="arial, sans-serif">: </font><b style="font-family:arial,sans-serif;text-align:center"><span lang="EN-IN" style="line-height:13.91px">Insights on solar wind and energetic particles based on Aditya-L1 measurements</span></b><br><u style="font-family:arial,sans-serif">Speaker</u><font face="arial, sans-serif">: </font><b style="font-family:arial,sans-serif">Prof. Dibyendu Chakrabarty </b><br><span lang="EN-IN" style="font-family:arial,sans-serif;line-height:13.91px">Space and Atmospheric Sciences Division of Physical Research Laboratory (PRL), India</span><br><br></font><u style="font-family:arial,sans-serif;color:rgb(0,0,0)">Abstract:</u><span style="font-family:arial,sans-serif;color:rgb(0,0,0)"> </span><span style="font-family:arial,sans-serif;color:rgb(0,0,0);text-align:justify">Aditya-L1 is the first dedicated solar observatory launched by India in 2023. The instruments in this mission are designed to probe the Sun in visible, infrared, near <span style="border-style:none;background:none"><span aria-invalid="spelling" style="border-style:none;background:none">ultra-violet</span></span>, soft and hard X-rays as well as equipped to measure the solar wind, energetic particles and interplanetary magnetic field. There are four remote sensing and three in situ experiments on board Aditya-L1. Aditya Solar wind Particle EXperiment (ASPEX) in one of the three in-situ experiments that measures solar wind and also energetic particles in direction-resolved manner. ASPEX consists of two spectrometers - Solar wind Ion Spectrometer (SWIS) and SupraThermal and Energetic Particle Spectrometer (STEPS). While SWIS measures the solar wind and the suprathermal ions, STEPS measures the energetic particles.</span><font color="#000000"><br></font><span style="color:rgb(0,0,0);font-family:arial,sans-serif">The data from ASPEX have been extensively validated with the measurements from other international missions and at present, the solar wind and energetic particle fluxes as well as solar wind bulk parameters (like density, velocity, temperature etc.) are being regularly posted in near real time (latency of 2-3 days) to the Indian Space Science Data Centre (ISSDC) website for the use of the scientific community. In this talk, some of the recent science results pertaining to solar wind and energetic particles will be discussed to underline the quality of the data that ASPEX has been producing. Therefore, </span><span style="background:none;color:rgb(0,0,0);font-family:arial,sans-serif;border-style:none">this</span><span style="color:rgb(0,0,0);font-family:arial,sans-serif"> is not surprising </span><span style="background:none;color:rgb(0,0,0);font-family:arial,sans-serif;border-style:none">that scientific</span><span style="color:rgb(0,0,0);font-family:arial,sans-serif"> community is getting increasingly interested in ASPEX data to understand the impact of space weather on the terrestrial magnetosphere-ionosphere-thermosphere system. Some of these results will be discussed in this seminar.</span><div><font color="#000000" face="arial, sans-serif"><br></font><div><div><img src="cid:ii_mp0sf3uc0" alt="ISWI Seminar Series.png" width="498" height="498" style="margin-right:0px"><br></div><div><br></div></div></div><div><br></div><div><br></div><div><br></div><div><div>-------------------------------------------</div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div><font face="times new roman, serif"><b>Dra. María Graciela Molina</b><br>Prof. Asociada FACET-UNT / Associate Professor FACET -UNT </font></div><div><span style="font-family:"times new roman",serif">Inv. Adjunta CONICET / Researcher CONICET</span></div><div><span style="font-family:"times new roman",serif">Investigadora Asociada INGV/ Associated researcher INGV</span></div><div><span style="font-family:"times new roman",serif">President of ALAGE (</span><font face="times new roman, serif"><a href="https://alage.org/" target="_blank">https://alage.org/</a></font><span style="font-family:"times new roman",serif">)</span></div><div><span style="font-family:"times new roman",serif">Co-leader  FA3 - COURSE/SCOSTEP (</span><font face="times new roman, serif"><a href="https://scostep.org/scostep-course/" target="_blank">https://scostep.org/scostep-course/</a></font><span style="font-family:"times new roman",serif">)</span><span style="font-family:"times new roman",serif"><br></span></div><div><font color="#222222" face="times new roman, serif">Chair ISWI Webinars (<a href="https://iswi-secretariat.org/" target="_blank">https://iswi-secretariat.org</a>/</font><span style="font-family:"times new roman",serif">)</span></div><div><span style="font-family:"times new roman",serif"><br></span></div><div><span style="font-family:"times new roman",serif">Av. Independencia 1800, </span><span style="font-family:"times new roman",serif">Tucumán - Argentina</span><br></div><div><font face="times new roman, serif">Tel: +54-381-4364093 (ext.7765)<br><a href="mailto:gmolina@herrera.unt.edu.ar" style="font-style:italic" target="_blank">gmolina@herrera.unt.edu.ar</a> /</font></div><div><font face="times new roman, serif"><a href="mailto:m.graciela.molina@gmail.com" target="_blank"><i>m.graciela.molina@<span><span><span><span>gmail.com</span></span></span></span></i></a></font></div></div></div></div></div></div></div></div></div></div></div></div></div>
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