Physics
Scientific paper
Jul 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985soph...98..163c&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 98, July 1985, p. 163-171.
Physics
3
Astronomical Photometry, Polarimetry, Solar Corona, Solar Eclipses, Astronomical Maps, Coronal Holes, Polarized Light
Scientific paper
Photographic observations of the corona were made by a Belgian expedition to Kenya during the eclipse of 1980, February 16, using a polaroid filter oriented in three directions 60° apart. The preliminary results of the reduced data are presented here; these results consist in the analysis of the three following parameters: total intensity, degree of polarization, direction of the electric vector. The local variation of these parameters reveals, among other features, a deep coronal hole at the south pole and peculiar streamer (P.A. 280°) associated to a transient, (the so-called "tennis racket") also observed by other teams, and a density enhancement at P.A. 200°, possibly associated with a transient observed with the K-coronameter of the High Altitude Observatory 12 hr before the eclipse.
Clette Frederic
Cugnon Pierre
Koeckelenbergh André
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