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ROMFORSK-Program for romforskning

Norwegian Participation in the Hinode and IRIS satellites

Awarded: NOK 2.6 mill.

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The Institute of Theoretical Astrophysics (ITA) at the University of Oslo has since the summer 2000 participated in the development and construction of the major international solar experiment the Japanese Hinode (formally known as Solar B) satellite. In this proposal we argue that Norway uphold its commitments to the Hinode collaboration as well as participate in the synergetic IRIS program. ITA has during the last 20 years expended considerable effort in exploring dynamical phenomena in the outer sola r atmosphere and their connection with processes in the layers below. Activities in solar physics at ITA include both theory and modeling, and observational activities such as data analysis and participation in instrumentation. The primary goal of the Hi node mission is to advance the understanding of the origin of the outer solar atmosphere, and in particular the coupling between the fine magnetic structure in the photosphere and the dynamic processes occurring in the corona. The goal of the IRIS explor er is very complementary: to understand how the solar atmosphere is energized. In particular, IRIS will concentrate on the chromosphere, a part of the solar atmosphere not well covered by Hinode. A central idea of the IRIS investigation is to combine adva nced numerical modeling with a high resolution UV spectrograph. These subject areas are central to ITA's expertise and scientific activities over a number of years. Norwegian participation is furthermore essential in order to maintain and develop our scie ntific and operational competence in space solar physics.

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ROMFORSK-Program for romforskning