Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989sxsr.reptq....m&link_type=abstract
In American Science and Engineering, Inc., Solar X-ray Astronomy Sounding Rocket Program 14 p (SEE N90-10796 01-88)
Astronomy and Astrophysics
Astronomy
Astronomical Photography, Grazing Incidence Telescopes, Solar Spectra, X Ray Astronomy, X Ray Imagery, Calibrating, Photographic Film, Radiation Detectors, Solar Corona, Solar Physics
Scientific paper
The technique of obtaining quantitative data from high resolution soft X-ray photographic images produced by grazing incidence optics was successfully developed to a high degree during the Solar Research Sounding Rocket Program and the S-054 X-Ray Spectrographic Telescope Experiment Program on Skylab. Continued use of soft X-ray photographic imaging in sounding rocket flights of the High Resolution Solar Soft X-Ray Imaging Payload has provided opportunities to further develop these techniques. The developments discussed include: (1) The calibration and use of an inexpensive, commercially available microprocessor controlled drum type film processor for photometric film development; (2) The use of Kodak Technical Pan 2415 film and Kodak SO-253 High Speed Holographic film for improved resolution; and (3) The application of a technique described by Cook, Ewing, and Sutton for determining the film characteristics curves from density histograms of the flight film. Although the superior sensitivity, noise level, and linearity of microchannel plate and CCD detectors attracts the development efforts of many groups working in soft X-ray imaging, the high spatial resolution and dynamic range as well as the reliability and ease of application of photographic media assures the continued use of these techniques in solar X-ray astronomy observations.
Davis John M.
Moses John Daniel
Schueller Reiner
Waljeski Katrina
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