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X-WR-CALNAME:Erlangen Centre for Astroparticle Physics
X-ORIGINAL-URL:https://ecap.nat.fau.de
X-WR-CALDESC:Events for Erlangen Centre for Astroparticle Physics
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TZID:Europe/Berlin
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TZOFFSETFROM:+0100
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TZNAME:CEST
DTSTART:20220327T010000
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DTSTART:20221030T010000
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DTSTART;TZID=Europe/Berlin:20220630T130000
DTEND;TZID=Europe/Berlin:20220630T140000
DTSTAMP:20260421T230510
CREATED:20220627T112634Z
LAST-MODIFIED:20220627T112634Z
UID:3987-1656594000-1656597600@ecap.nat.fau.de
SUMMARY:ECAP Seminar: Juergen Schmitt
DESCRIPTION:The stellar content of the eROSITA all-sky survey\nThe eROSITA instrument onboard the Russian-German SRG mission has so far completed more than four all-sky surveys and detected millions of new X-ray sources. Coronal X-ray sources\, i.e. X-ray emitters similar to our Sun\, constitute a significant fraction of the overall eROSITA source count\, yet these X-ray detected stars have properties quite different from those found for the Sun. X-ray emission is the most important proxy indicator for “stellar magnetic activity”\, hence an X-ray survey like that of eROSITA provides insights into the youth of the Sun\, when it was as “magnetically active” as the vast majority of the eROSITA detected stellar X-ray sources. The availability of precise astrometry from the Gaia satellite allows the complete identification of the stellar X-ray sky including an age assessment of the underlying sources. \nI will discuss and highlight these new research opportunities by providing recent eROSITA results on the Sco-Cen star forming region and very energetic eruptions from young stars.
URL:https://ecap.nat.fau.de/index.php/event/ecap-seminar-2022-06-30-juergen-schmitt/
LOCATION:ECAP\, room 307\, Erwin-Rommel-Str 1\, Erlangen\, 91058\, Germany
CATEGORIES:Seminar
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