Canvi hora [SEMINARI] Understanding the ultrafast TeV Variability
from blazars
Enric Marco
Enric.Marco en uv.es
Lun Jun 28 14:42:41 CEST 2010
Titol: Understanding the ultrafast TeV Variability from blazars
Per: Dimitrios Giannios
Department of Astrophysical Sciences, Peyton Hall, Princeton University,
Princeton, USA
Seminari del departament d'Astronomia i Astrofísica
Dimecres 30 juny 2010
12:30
Resum
Recently two blazars (PKS 2155-304 and Mrk 501) have exhibited TeV
flaring on timescales 1-2 orders of magnitude shorter that the
light-crossing time of the host black holes. I discuss how these
observations challenge our current paradigm for blazar emission and
indicate that jet instabilities are the source of the ultrafast
variability. A model of reconnection minijets forming inside the jet
will be presented for the blazar variability.
http://celeste.uv.es/daa/seminari.php?id=1029
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Dr. Enric Marco
Departament d'Astronomia i Astrofísica
Facultat de Física
Universitat de València
C/ Dr. Moliner, 50
46100 Burjassot, Spain
Phone: (34)-96-354-3069
Fax:(34)-96-354-3084
enric.marco en uv.es
http://www.uv.es/marco
http://www.uv.es/aulaastronomia
http://www.uv.es/daa
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