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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20220505T103000
DTEND;TZID=Atlantic/Canary:20220505T113000
UID:iactalks-1563
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1563
CREATED:2022-05-05T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The Fermi GeV excess: status and perspectives
DESCRIPTION:The Fermi GeV excess: status and perspectives\nDr. Francesca Ca
 lore\n\n \nIn this presentation, I will review the history and litera
 ture debate about the anomalous gamma-ray emission detected towards the in
 ner Galaxy by the Fermi-LAT telescope.\nThe so-called Fermi GeV excess has
  been first discovered in the early 2010s and later characterised by sever
 al, independent, research groups. \nWhile its main features are well 
 established, the details of its spectral energy distribution and morpholog
 y remain debated.\nAlso the nature of this anomalous signal is unknown. Di
 fferent interpretations have been put forward and scrutinised.\nI will pro
 vide an overview of the most promising interpretations in terms of dark ma
 tter emission and faint astrophysical sources, and offer an outlook on how
  we can try to disentangle these two hypotheses with multi-wavelength and 
 multi-messenger astrophysics.
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