Spectrometry of weak, rapidly varying sources in X-ray and gamma astronomy

Details Spectrometry of weak, rapidly varying sources in X-ray and gamma astronomy Spectrometry of weak, rapidly varying sources in X-ray and gamma astronomy

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989rpsct...2....5b&link_type=abstract

In its JPRS Report: Science and Technology. USSR: Space p 5 (SEE N89-29354 24-12) Transl. into ENGLISH from Kosmicheskiye Issled

Astronomy and Astrophysics

Astronomy

Energy Spectra, Gamma Ray Astronomy, Radiation Sources, X Ray Astronomy, Astronomical Spectroscopy, Error Analysis, Photons, Statistical Analysis

Scientific paper

An analysis is made of the statistical characteristics of parameter estimates of energy spectra for a small number of registered photons from the X-ray or gamma ray sources. The effect of the accumulation duration on the accuracy of determining the spectrum for spectrally variable sources is evaluated. Consideration is given to statistical simulation of the method for choosing the accumulation time which minimizes the error. the spectrum based on data produced by adding a number of measurements should be used, rather than averaging the individual results of restoration.

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