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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20101111T000000
DTEND;TZID=Atlantic/Canary:20101111T010000
UID:iactalks-221
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/221
CREATED:2010-11-11T00:00:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Are chromospheric fibrils tracing the magnetic field?
DESCRIPTION:Are chromospheric fibrils tracing the magnetic field?\nDr. Jaim
 e  de la Cruz Rodríguez\n\nFibrils are thin elongated features visible in
  the solar chromosphere in and around magnetized regions. Because of their
  visual appearance they have been traditionally considered a tracer of the
  magnetic field lines. In this work we challenge that notion for the first
  time by comparing their orientation to that of the magnetic field, obtain
 ed via high-resolution spectro-polarimetric observations of Ca II lines. T
 he short answer to the question posed in the title is that mostly yes, but
  not always.
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