Quantifying The Relationship Between Reconnection Rate And Energy Release In A Survey Of Coronal Bright Points

Details Quantifying The Relationship Between Reconnection Rate And Energy Release In A Survey Of Coronal Bright Points Quantifying The Relationship Between Reconnection Rate And Energy Release In A Survey Of Coronal Bright Points

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spd....37.1001m&link_type=abstract

American Astronomical Society, SPD meeting #37, #10.01; Bulletin of the American Astronomical Society, Vol. 38, p.237

Astronomy and Astrophysics

Astronomy

Scientific paper

This is an observational study of coronal bright points aimed at quantifying the relationship between reconnection rate and dissipated power. We assemble surveys of 733 bright from archival SOHO data. Bright points are found in two channels of EIT (EUV Imaging Telescope) data. We match these features to magnetic bipoles found in photospheric magnetic field observations of MDI. From the MDI magnetograms we extract measurements of each quantity relevant to simple three-dimensional reconnection model including the relative velocities of the magnetic poles. The study reveals temporal and spatial properties of X-ray bright points and compares them to the simple models of spatial distribution over the disk. The temporal evolution of the poles is used to test the hypothesis that coronal heating is due to magnetic reconnection and furthermore to quantify the relationship between reconnection rate and heating power.This work was supported by NASA under grant NAG5-10489.

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