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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20140319T123000
DTEND;TZID=Atlantic/Canary:20140319T133000
UID:iactalks-626
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/626
CREATED:2014-03-19T12:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The Solar Chromosphere
DESCRIPTION:The Solar Chromosphere\nProf. Rob Rutten\n\nThe chromosphere is
  the interface between the photospheric solar surface and the outer corona
  and wind.  In this complex domain thesolar gas becomes transparent t
 hroughout the ultraviolet and in the strongest spectral lines while magnet
 ic pressure becomes dominant over gas pressure even in weak-field regions.
   Fine-scale magnetically caused or guided dynamic processes in the c
 hromosphere constitute the roots of mass and energy loading of the corona 
 and solar wind. Notwithstanding this pivotal role the chromosphere remaine
 d ill-understood after its basic NLTE radiation physics was formulated in 
 the 1960s and 70s.  Presently, both chromospheric observation andchro
 mospheric simulation mature towards the required sophistication.  The
  open-field features seem of greater interest than the easier-to-see close
 d-field features. For the latter, the grail of coronal topology and erupti
 on prediction comes in sight.\nI will start with an introductory overview,
  show movies to present the state of art in observation and simulation, an
 d treat somerecent success stories in more detail.
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