Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh31a1783j&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SH31A-1783
Astronomy and Astrophysics
Astrophysics
[7507] Solar Physics, Astrophysics, And Astronomy / Chromosphere, [7509] Solar Physics, Astrophysics, And Astronomy / Corona, [7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields
Scientific paper
We have obtained vector polarimetric measurements in lines of Fe I (630nm), Ca II (854nm) and He I (1083nm) of several active regions during 3-14 June 2010. The measurements were made at the Dunn Solar Telescope at Sacramento Peak Observatory, using the FIRS and IBIS instruments simultaneously. We discuss these and SDO data for NOAA 11076. The seeing was very good or excellent and the adaptive optics system functioned well. In this preliminary analysis we compare extrapolations of photospheric fields with the constraints available from Stokes polarimetry, including the morphology and kinematic properties of fibrils. Connections to the corona will also be discussed. The implications for field extrapolations from photospheric measurements will be discussed. We will make the reduced data freely available on the web for interested researchers.
Centeno Rebecca
Jaeggli Sarah
Judge Philip G.
Lin Hainan
Tritschler Alexandra
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