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Title:
The Amplitude Differences Between CCD and PMT Measurements
Authors:
Kanaan, A.; O'Donoghue, D.; Kleinman, S. J.; Krzesinski, J.; Koester, D.; Dreizler, S.
Publication:
Baltic Astronomy, v.9, p.387-393.
Publication Date:
00/2000
Origin:
BALTA
Astronomy Keywords:
TECHNIQUES: PHOTOMETRIC, INSTRUMENTATION: PHOTOMETERS, CCD CAMERAS, STARS: WHITE DWARFS
Bibliographic Code:
2000BaltA...9..387K

Abstract

Using model atmospheres, quantum efficiency and transmission curves, we compute expected values for amplitudes of DAV, DBV and DOV stellar models as measured through different detectors and/or filter combinations. We conclude that choosing the wrong detector may lead to amplitudes lower by 20 % than those measured by phototubes. The correct choice of CCD + filter may reduce this problem down to a difference of 6 %.

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Database: Astronomy
Physics
arXiv e-prints