Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.1209l&link_type=abstract
American Astronomical Society, SPD meeting #40, #12.09; Bulletin of the American Astronomical Society, Vol. 41, p.829
Astronomy and Astrophysics
Astronomy
Scientific paper
We have applied a Magnetic Charge Topology model to investigate what changes in the properties of the magnetic field are responsible for different coronal emission behavior of the coronal loops in two different active regions. Observations from the X-ray Telescope (XRT) on board Hinode and the Transition Region and Coronal Expolorer (TRACE) were used, along with time-series of magnetograms for 24 hours from the Michelson Doppler Imager (MDI) on board the Solar and Heliospheric Observatory (SOHO). The magnetic connectivity and separator field lines were established by potential field extrapolation of the observed surface magnetic flux distribution. We present the evolution for the two active regions in terms of the changes in both the connections and in the separator flux, the latter indicative of locations of possible energy deposit or release.
Barnes Graham
Golub Leon
Korreck Kelly E.
Lee Jin-Yi
Leka KD
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