Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976azh....53..219g&link_type=abstract
Astronomicheskii Zhurnal, vol. 53, no. 1, 1976, p. 219-221. In Russian.
Astronomy and Astrophysics
Astronomy
Astronomical Photometry, Photomultiplier Tubes, Pulsed Radiation, Radiant Flux Density, Signal Measurement, Amplitude Distribution Analysis, Signal To Noise Ratios, Thresholds, Volt-Ampere Characteristics
Scientific paper
Maximum accuracy in signal measurements is recommended as the primary criterion for photomultiplier selection and operating mode selection, rather than the maximum ratio of signal to dark background. Photomultipliers cooled by dry ice were used in the study, with no gain in signal measurement accuracy over the interval investigated when amplitude discrimination was resorted to. Most of the FEU-79 photomultipliers studied obeyed Poisson's law at the stated supply voltages. A simplified technique for verifying pulse count conformity to Poisson's law and aiding in the selection of photomultipliers is described.
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