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Observation of hard X-rays from the Crab pulsar and A0535+26The Crab pulsar PSR0531+21 was observed in a balloon flight from the Xianghe Balloon Station (China). Data were obtained in the range 20 to 200 keV with a poswish hard X-ray telescope which comprised a 150 sq cm primary crystal of 5 mm thick CsI(T1) which actively shielded the lower 2 pi steradians by a 5 cm thick NaI(T1) crystal. The scintillation pulses originating in CsI and NaI crystals are distinguished by pulse shape discrimination. The telescope has a field of view of approximately 4 deg H psi H pi determined by graded shield and collimator. The effective geometric area of the detector is 116 sq cm. It is noted that when folding a data flow on a long period interference from the data acquisition, transmission and recording system considerably affect the result.
Document ID
19850025631
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wu, M.
(Academia Sinica Beijing, China)
Dai, C.
(Academia Sinica Beijing, China)
Lu, Z.
(Academia Sinica Beijing, China)
Ma, Y.
(Academia Sinica Beijing, China)
Li, G.
(Academia Sinica Beijing, China)
Fan, Z.
(Academia Sinica Beijing, China)
Zhang, C.
(Academia Sinica Beijing, China)
Xu, C.
(Academia Sinica Beijing, China)
Zhang, X.
(Academia Sinica Beijing, China)
Gu, Y.
(Academia Sinica Beijing, China)
Date Acquired
August 12, 2013
Publication Date
August 1, 1985
Publication Information
Publication: 19th Intern. Cosmic Ray Conf - Vol. 1
Subject Category
Space Radiation
Report/Patent Number
OG-2.3-7
Report Number: OG-2.3-7
Accession Number
85N33944
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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