Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.506..915z&link_type=abstract
In: Solar variability: from core to outer frontiers. The 10th European Solar Physics Meeting, 9 - 14 September 2002, Prague, Cze
Physics
15
X-Ray Telescopes, Spectroheliometers, Space Instrumentation
Scientific paper
The SPIRIT X-ray telescope/spectroheliometer successively operates on-board the Coronas-F satellite since August 15, 2001. The instrument includes two XUV-solar telesocpes - one is a four-band Ritchey-Chretien telescope (171, 195, 284 and 304 Å) with the optics analogous to the EIT SOHO telesocpe, another - a Herschel two-band (175 and 304 Å) telescope with off-axis paraboloids. The last one can operate as an XUV-coronagraph with "artificial moons" in the field up to 3 RSun. The spectroheliometer includes two Mg XII (8.42 Å) full-Sun imaging spectrometers, two XUV spectroheliometers with objective grazing incidence diffraction gratings, each has two selectable spectral bands 177-207 and 285-335 Å, and Bragg crystal Fe XXV (1.85-1.87 Å) imaging spectroheliometer. During the first year there were observed flares and highly variable active structures in hot 10 MK Mg XII images, solar XUV-corona, full-Sun XUV spectral images, solar XUV-corona, full-Sun XUV spectral images, first separated images of solar disk and corona in the He II and Si XI lines (303.78 and 303.32 Å).
Bougaenko O. I.
Delaboudinière Jean Pierre
Ignatiev Pavel A.
Korneev Valeri
Krutov Viktor V.
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