Physics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsh23b0360p&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SH23B-0360
Physics
0540 Image Processing, 0933 Remote Sensing, 3260 Inverse Theory, 6982 Tomography And Imaging (7270, 8180), 7509 Corona
Scientific paper
The 3D solar coronal electron density (N_e) can be estimated from a time series of coronagraph images using a technique called solar rotational tomography (SRT). SRT requires polarized brightness (pB) coronagraph measurements over a two week period, corresponding to 180 degrees of solar rotation. Because of telemetry constrains, only one pB coronagraph image has been available per day from the LASCO-C2 coronagraph on SOHO, the highest quality data source currently available for SRT. The finer the temporal sampling of the corona, the better the N_e reconstructions that can be computed with SRT. From June 8 - June 22, 2006, greater priority was given to C2 and about 6 pB coronagraph images were measured per day for the purpose of forming a high quality reconstruction of N_e. We show this reconstruction and the increase in quality with the high cadance data set.
Butala M. D.
Frazin Richard A.
Kamalabadi Farzad
Park Hyowon
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