Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999iraj...26..115g&link_type=abstract
Irish astronomical journal, vol. 26, no. 2, p. 173 (1999)
Astronomy and Astrophysics
Astronomy
Scientific paper
The Solar Eclipse Coronal Imaging System (SECIS) is an instrument designed to search for short-period modulations in the solar corona seen either during a total eclipse or with a coronagraph. The CCD cameras used in SECIS have the capability of imaging a selected portion of the corona at a rate of 50 frames per second, with the intensities in each pixel digitised in 12-bit levels. The data are captured and stored on a modified PC. It will thus be possible to search for fast changes or short-period wave motions in the corona that will have important implications for the coronal heating mechanism. Tests have been carried out during the 1998 total solar eclipse visible in Guadeloupe (French West Indies) and with the Evans Solar Facility coronagraph at the National Solar Observatory, Sacramento Peak, with scientifically useful results obtained from the latter.
Gallagher Peter. T.
Keenan Francis P.
Mpolt B. Ro
Phillips Kenneth J. H.
Read Peter D.
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