A white super-stable source for the metrology of astronomical photometers

F. P. Wildi; A. Deline; B. Chazelas

doi:10.1117/12.2192896

11 September 2015 A white super-stable source for the metrology of astronomical photometers

F. P. Wildi, A. Deline, B. Chazelas

Proceedings Volume 9605, Techniques and Instrumentation for Detection of Exoplanets VII; 96051T (2015) https://doi.org/10.1117/12.2192896
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

The testing of photometers and in particular the testing of high precision photometers for the detection of planetary transits requires a light source which photometric stability is to par or better than the goal stability of the photometer to be tested. In the frame of the CHEOPS mission, a comprehensive calibration bench has been developed. Aside from measuring the sensibility of the CHEOPS payload to the different environmental conditions, this bench will also be used to test the relative accuracy of the payload. A key element of this bench is an extremely stable light source that is used to create an artificial star which is then projected into the payload's telescope. We present here the development of this payload and the performance achieved.

Citation Download Citation

F. P. Wildi, A. Deline, and B. Chazelas "A white super-stable source for the metrology of astronomical photometers", Proc. SPIE 9605, Techniques and Instrumentation for Detection of Exoplanets VII, 96051T (11 September 2015); https://doi.org/10.1117/12.2192896

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