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18 May 2009 Observing variable stars and transiting exo-planets with single photon counting
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Abstract
Using our Satellite Laser Ranging (SLR) facility, our experience and our available equipment for Single Photon detection, we installed a Single Photon Counting Module (SPCM) to measure the photon flux of variable stars, and of stars with transiting exoplanets; these observations are intended as a complementary application to our standard SLR activities, to contribute observations to already known - and also to candidate - variable stars and stars with transiting exoplanets. While it is relatively easy to detect the large - in some cases up to 50% - variations of some stars, it is a challenge to detect the transiting exoplanets with this method; the decrease in photon flux here is only in the order of a few percent. In this paper, we present first results.
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Georg Kirchner, Franz Koidl, Anton Dusleag, Farhat Iqbal, and Erich Leitgeb "Observing variable stars and transiting exo-planets with single photon counting", Proc. SPIE 7355, Photon Counting Applications, Quantum Optics, and Quantum Information Transfer and Processing II, 73550T (18 May 2009); https://doi.org/10.1117/12.822245
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