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BEGIN:VEVENT
DTSTAMP:20260429T040310Z
DTSTART;VALUE=DATE-TIME:20171009T150000
DTEND;VALUE=DATE-TIME:20171009T160000
SUMMARY:Iain Hannah (Glasgow): Searching for faint solar X-rays with NuST
 AR
TZID:Europe/London
UID:20171009-8a17841a5e514a5d015e56527f9d7674@warwick.ac.uk
CREATED:20170906T083320Z
DESCRIPTION:Solar flares impulsively release energy in the Sun’s atmosphe
 re\, with a substantial amount going into accelerating electrons. Hard X
 -ray (HXR) observations are a crucial tool for understanding the propert
 ies of this non-thermal emission and RHESSI is successfully able to stud
 y this in large flares down to events many orders of magnitude smaller (
 microflares). To go beyond RHESSI we require X-ray telescopes with highe
 r sensitivity and dynamic range to probe the faint emission from coronal
  energy release sites associated with flares and CMEs as well as the wea
 k signatures from even smaller impulsive events (nanoflares)\, that coul
 d contribute to heating the corona. As a step towards a dedicated solar 
 spacecraft an opportunity presents itself with NASA’s NuSTAR. Launched i
 n 2012\, NuSTAR is an astrophysics mission using X-ray focusing optics t
 o directly observe faint sources with highly sensitive imaging spectrosc
 opy. Most of NuSTAR’s time is spent on targets outside of the solar syst
 em but some is spent on the Sun. I will present NuSTAR’s solar observati
 ons\, that started in late 2014\, and have so far observed even smaller 
 flares and faint coronal sources. I will also talk about future prospect
 s for these types of observations
LOCATION:PS128
CATEGORIES:CFSA Seminar
LAST-MODIFIED:20171005T143047Z
ORGANIZER;CN=Anne-Marie Broomhall:
END:VEVENT
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