The Implications of Photomultiplier Fatigue for Pulse-Counting Photometry

Details The Implications of Photomultiplier Fatigue for Pulse-Counting Photometry The Implications of Photomultiplier Fatigue for Pulse-Counting Photometry

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985aj.....90..139r&link_type=abstract

ASTRONOMICAL JOURNAL V. 90:1, NO.1548/JAN, P. 139, 1985

Astronomy and Astrophysics

Astronomy

5

Scientific paper

Fatigue is an unavoidable effect in all photomultiplier tubes. We have conducted laboratory experiments to investigate the importance of fatigue as a source of error in astronomical pulse-counting photometry. We find that astronomers using common photometric practices can expect fatigue to introduce unpredictable errors which may approach the 1 % level. Normal calibration techniques can not remove these errors, and often can not detect their presence. We suggest one possible scheme that observers might use to monitor for the presence of fatigue during an observing run.

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