Physics – Optics
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1160..316l&link_type=abstract
IN: X-ray/EUV optics for astronomy and microscopy; Proceedings of the Meeting, San Diego, CA, Aug. 7-11, 1989 (A90-46006 21-74).
Physics
Optics
4
Mirrors, Point Spread Functions, Solar Optical Telescope, X Ray Telescopes, Charge Coupled Devices, Grazing Incidence, Proportional Counters, X Ray Imagery, X Ray Scattering
Scientific paper
A grazing incidence solar X-ray telescope, Soft X-ray Telescope (SXT), will be flown on the Solar-A satellite in 1991. Measurements have been conducted to determine the focal length, Point Spread Function (PSF), and effective area of the SXT mirror. The measurements were made with pinholes, knife edges, a CCD, and a proportional counter. The results show the 1/r character of the PSF, and indicate a half power diameter of 4.9 arcsec and an effective area of 1.33 sq cm at 13.3 A (0.93 keV). The mirror was found to provide a high contrast image with very little X-ray scattering.
Brown Aaron W.
Bruner Marilyn E.
Catura Richard C.
Claflin Scott E.
Lemen James R.
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