<論文>K-10-14号機に搭載した白鳥座ループ観測装置

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The details of the instrument of GXV boarded on the sounding rocket K-10-14 and the preliminary results of the experiment are presented. The aim of this experiment was to observe the Cygnus loop (the most promenent S.N.R.) with fine spatial resolution by two Hadamard Transform X-ray Telescopes (HTXT) and with good spectral resolution by two filter counters. The angular resolution of HTXT is about 20' x 20' with effective area about 149 cm^2 each. The pure methane is employed the counter gas in order to get the desired positional resolution. The filter counters have different windows with effective area about 20 cm^2 each. The one is equipped with standard 1 μm thick polypropylene film window while the other with 1500 Å A1 coated 1 μm thick polypropylene film. The latter filter counter reduced the X-ray efficiency in the L-band (E < 0.4 keV) energy range whereas it had almost equal X-ray efficiency to that of the former one in the M-band (E > 0.4 keV). K-10-14 was launched at 20^h 40^m on 27 in August 1980 from Kagoshima Space Center. The X-ray detectors were operated properly for more than 200 seconds. The attitude control system (ACS) started to maneuver the payload from 85 second after launch. The target, Cygnus loop, was missed due to the mulfunction of the ACS. The detailed data analysis is underway.
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