Abstract The Soft X-ray Telescope (SXT) is a grazing-incidence solar X-ray telescope which will be flown on the Japanese Solar-A satellite. The Solar-A satellite, which is scheduled for launch in 1991, will carry an ensemble of instruments designed to study the Sun during the next solar sunspot maximum. The SXT will be the first high-resolution X-ray telescope since Skylab to be flown on an extended-duration mission. Measurements have been conducted to determine the focal length, point spread function, and effective area of the SXT mirror. The results indicate a half-power diameter of 4.9 arcsec and an effective area of 1.33 cm2 at 13.3 Å. The mirror achieves high-contrast imaging with very little X-ray scattering. The telescope fwhm is 3.2 arcsec at 8.32 Å. A coaligned aspect telescope operating at visible wavelengths will permit imaging of magnetic plage or solar continuum radiation with the same plate scale as the X-ray images.
Imaging capabilities of SXT for Solar-A
Advances in Space Research ; 11 , 5 ; 69-72
1991-01-01
4 pages
Article (Journal)
Electronic Resource
English
Imaging capabilities of SXT for Solar-A
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