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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260428T015657Z DTSTART;VALUE=DATE-TIME:20241118T140000 DTEND;VALUE=DATE-TIME:20241118T150000 SUMMARY:Simona Nitti (Leicester): Tracking composition changes in the sol ar wind through spectral analysis TZID:Europe/London UID:20241118-8ac672c5928fa80d019294c0e2a7117c@warwick.ac.uk CREATED:20241113T131329Z DESCRIPTION:Abstract: Continuous monitoring of the solar wind ion composi tion is essential for understanding solar-terrestrial interactions\, esp ecially the Solar Wind Charge Exchange (SWCX) signal. The SWCX signal\, a soft X-ray emission (<2 keV)\, arises from interactions between highly ionised solar wind particles (e.g.\, O7+\, O8+\, C6+) and neutral atoms . This emission is ubiquitous across the solar system\, occurring wherev er the solar wind meets interstellar neutrals within the heliosphere or interacts with planetary environments such as those of Mars\, Venus\, Ju piter\, Pluto\, and Earth. In this talk\, we will explore how SWCX emiss ions from Earth's exosphere\, as observed by the astrophysical telescope XMM-Newton\, can be used to infer solar wind composition through spectr al analysis. This research is particularly critical given the degradatio n of the heavy ion spectrometer aboard the Advanced Composition Explorer (ACE)\, a solar wind monitor at L1\, which has left us without reliable near-Earth ion composition data since 2011. We will also discuss the po tential contributions of the upcoming SMILE mission to solar wind compos ition monitoring. SMILE is due to launch in 2025 and it aims to capture large-scale magnetopause dynamics through soft X-ray imaging. LOCATION:B2.02 CATEGORIES:CFSA Seminar LAST-MODIFIED:20241113T131329Z ORGANIZER;CN=Anne-Marie Broomhall: END:VEVENT END:VCALENDAR