Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985rpspr.......19k&link_type=abstract
In its USSR Rept.: Space (JPRS-USP-85-003) p 19 (SEE N85-25284 15-12) Transl. into ENGLISH from Vestn. Moskovskogo Univ., Ser
Astronomy and Astrophysics
Astronomy
Prognoz Satellites, Spaceborne Astronomy, X Ray Sources, Bursts, Charged Particles, Milky Way Galaxy, Pulsars, Satellite-Borne Instruments, Scintillation Counters, Solar X-Rays, Spectrometers
Scientific paper
Instrumentation carried aboard the Prognoz-9 artificial Earth satellite made possible the simultaneous registry of X-radiation and charged particles of different types in a wide energy range. This provided data on background increases in the fluxes of X-radiation caused by increases in fluxes of charged particles and when necessary made it possible to exclude simulation of X-radiation events by charged particles. The satellite carried on RKh-1 scintillation spectrometer for measuring X-radiation fluxes in the ranges 10 to 50, 25 to 50, 50 to 100 and 100 to 200 keV. Two main operating regimes were employed: continuous and once per second. During the initial stage of the flight the RKh-1 was oriented on the region of the galactic anticenter. Its field of view intercepted several X-ray sources, including the source in Crab nebula. The principal sensing element of each sensor is a CsI(T1) crystal with a thickness of 2.5 mm and a diameter of 80 mm. During the first half of the flight year the RKh-1 registered several hundred bursts of solar X-radiation. Good results were also obtained in studying cosmic gamma bursts of nonsolar origin and X-ray pulsars. The response of the RKh-1 in registering X-ray bursts was evaluated.
Kudryavtsev Michail I.
Svertilov Sergey I.
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