MicroLux: high-precision timing of high-speed photometric observations

Details MicroLux: high-precision timing of high-speed photometric observations MicroLux: high-precision timing of high-speed photometric observations

2008-07-03

arxiv.org/abs/0807.0501v1

Astronomy and Astrophysics

Astrophysics

8 pages, 6 figures, to appear in "Ground-based and Airborne Instrumentation for Astronomy II" SPIE conference, Marseille, 23-2

Scientific paper

10.1117/12.787328

MicroLux is a GPS-based high precision and high speed timing add-on to the Calar Alto Lucky Imaging camera AstraLux. It allows timestamping of individual CCD exposures at frame rates of more than 1 kHz with an accuracy better than one microsecond with respect to the UTC timeframe. The system was successfully used for high speed observations of the optical pulse profile of the Crab pulsar in January and November 2007. I present the technical design concept of MicroLux as well as first results from these observations, in particular the reconstructed pulse profile of the pulsar.

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