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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20161018T123000
DTEND;TZID=Atlantic/Canary:20161018T133000
UID:iactalks-952
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/952
CREATED:2016-10-18T12:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Gamma-ray binaries at high energies
DESCRIPTION:Gamma-ray binaries at high energies\nDr. Daniela Hadasch\n\nThe
  small source class of gamma-ray binaries consists at present of six known
  objects with different orbital periods ranging from days up to several ye
 ars. One of the best studied gamma-ray binary across all frequencies, LS I
  +61 303, is highly variable at any given orbital phase and was lately dis
 covered to show on top of orbital also superorbital variability at high en
 ergies. In contrary, the other famous binary, LS 5039, shows no variations
  apart from those related to the orbital period. The other unresolved myst
 ery in most of these sources is the nature of their compact object. Both n
 eutron star (e.g. PSR B1259-63) and probable black hole (microquasar, e.g.
 , Cyg X-3) binary systems have been detected at GeV energies, hence both t
 ypes of compact object are viable in the undetermined systems. In this tal
 k I will present the recent findings on the known gamma-ray binaries up to
  now and discuss their behavior at high and very high energies.
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