NASA NTRS · 19800006736
Monitor proportional counter
Abstract
An Uhuru class Ar-CO2 gas filled proportional counter sealed with a 1.5 mil beryllium window and sensitive to X-rays in the energy bandwidth from 1.5 to 22 keV is presented. This device is coaligned with the X-ray telescope aboard the Einstein Observatory and takes data as a normal part of the Observatory operations.
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Weisskopf, M. C.. 1979-11-01. Monitor proportional counter. https://ntrs.nasa.gov/citations/19800006736
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