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  • 1
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    OSO-7 observations of a high-latitude X-ray source associated with Abell cluster A2052 (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: An X-ray source with a flux of 1.6 times 10 to the -10th power ergs per sec/sq cm (2-10 keV) has been observed at high galactic latitude by the MIT X-ray detectors on the OSO-7 satellite. Designated GX 8+50, its position is 15 hr 14.2 min right ascension, 6 deg 51 min declination, with a 90 percent confidence error circle of area 0.5 sq deg. The data are consistent with a power-law spectrum with an exponent 1.2 (plus or minus 0.2) or a thermal-bremsstrahlung spectrum with kT = 4 plus or minus 1 keV. A likely identification is the Abell cluster A2052, whose center coincides with the radio source 3C 317.
    Keywords: SPACE RADIATION
    Type: Astrophysical Journal; 188; Mar. 1
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    A survey of trapped low energy electrons near the inner boundary of the inner radiation zone from the OSO-7 (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Data from the MIT X-ray experiment on the OSO-7 satellite were used to delineate the regions in B-L and geographic spaces where trapped radiation was encountered. The results pertain specifically to electrons with energies in a range of 10 keV centered on 55 keV which were encountered in an orbit between altitudes of 330 and 570 km and latitudes of 33.3 degrees. A typical pitch angle distribution is fitted by a Gaussian with a FWHM of 28 degrees.
    Keywords: SPACE RADIATION
    Type: CSR-P-74-119 , NASA. Goddard Space Flight Center Proc. of the Workshop on Electron Contamination in X-ray Astronomy Expt.; 21 p
    Format: text
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    NASA TECHNICAL REPORTS
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