Observing variable stars and transiting exo-planets with single photon counting

Details Observing variable stars and transiting exo-planets with single photon counting Observing variable stars and transiting exo-planets with single photon counting

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spie.7355e..18k&link_type=abstract

Photon Counting Applications, Quantum Optics, and Quantum Information Transfer and Processing II. Edited by Prochazka, Ivan; Sob

Physics

Optics

Scientific paper

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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