Mathematics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983nascp.2280..63a&link_type=abstract
In JPL Solar Wind Five p 63-67 (SEE N84-13067 03-92)
Mathematics
Photoelectric Emission, Photometers, Solar Corona, Two Dimensional Flow, Chromosphere, Error Functions, Limb Brightening, Line Spectra, Mathematical Models, Solar Limb, Wave Propagation
Scientific paper
An observational program was undertaken at Sacramento Peak Observatory to photoelectrically detect coronal transients. Continuous observations are made in the Fe XIV 5303A green line, utilizing the 40 cm coronagraph and the Photoelectric Coronal Photometer. Scans at three heights above the limb are combined to form a low resolution picture of the greenline corona every 20 to 30 minutes. Difference pictures, relative to an initial scan, are generated to search for sudden changes in the corona. The first few days of operation of this program have yielded three low-lying events ( 1.55 solar radii) following minor chromospheric activity (a surge and eruptive prominences), which propagated up through the corona with velocities on the order of 100 km/s.
Altrock Richard C.
Demastus Howard L.
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