Physics
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975soph...42..355b&link_type=abstract
Solar Physics, vol. 42, June 1975, p. 355-376.
Physics
1
Astronomical Photography, Collimators, Rocket-Borne Instruments, Solar Spectrometers, Solar X-Rays, X Ray Spectroscopy, Bragg Angle, Faculae, Microdensitometers, Photographic Recording, Point Sources, Solar Flares, Solar Spectra, Time Of Flight Spectrometers
Scientific paper
The use of rotating modulation collimators in high-resolution solar X-ray spectroscopy is discussed with reference to a sounding rocket carrying a modulation collimator and a Bragg crystal spectrometer to make moderately high-resolution spectral and spatial measurements simultaneously. The response of the instruments to extended sources is described. It is shown that the technique is particularly suited to long-term observations of active-region emission, but that useful measurements can be made even during a short rocket flight. A small flare commenced at about 0432 UT in McMath calcium plage region 12094; the emission from this provided the major contribution to the observed spectrum. X-ray emission from a group of active regions in the SW and the small McMath region 12090 has also been detected.
Brabban D. H.
Glencross William M.
Rosenberg Fred D.
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