X-ray pictures of the sun taken from Vertical 8

Details X-ray pictures of the sun taken from Vertical 8 X-ray pictures of the sun taken from Vertical 8

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984baicz..35..153h&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 35, no. 3, 1984, p. 153-158.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Rocket-Borne Instruments, Solar Instruments, Solar X-Rays, X Ray Telescopes, Electromagnetic Wave Filters, Image Processing, Solar Spectra, Solar Temperature, X Ray Imagery, X Ray Spectra

Scientific paper

Soft-X-ray images of the sun obtained in an experimental trial of the f/45 RTF imaging telescope (using a 6-micron-thick Al filter for 0.8-2.2-nm wavelengths and a 20-micron-thick Be filter for 0.6-2.0 nm) during the Vertical-8 high-altitude rocket flight of September 26, 1979, are presented and analyzed using digital processing techniques. The two images are found to be underexposed, so that only one active region, corresponding in position to McMath 16,298, can be defined. The method of filter ratios is used to calculate the temperature and emission measure of the region as (1.3 + or 0.5) x 10 to the 6th K and 4 x 10 to the 29th/cm5, respectively.

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