A simple and reliable star sensor for spinning payloads

Details A simple and reliable star sensor for spinning payloads A simple and reliable star sensor for spinning payloads

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..616...52n&link_type=abstract

EXPERIMENTAL COSMOLOGY AT MILLIMETRE WAVELENGTHS: 2K1BC Workshop. Breuil-Cervinia, Valle d'Aosta, Italy, 9-13 July, 2001. Edit

Physics

Background Radiations, Radio Telescopes And Instrumentation, Heterodyne Receivers, Radio, Microwave

Scientific paper

We developed a system to reconstruct the attitude of balloon borne spinning experiments, where high accuracy (about 1') and high rotation speed (up to tens of degree per seconds) are required. It is based on a stellar sensor, and gathers together hardware simplicity, cheap components, high resolution and sensitivity. It is composed of an optical mirror (diameter 40 cm), an array of 46 fast and sensitive photodiodes, and an ultra-low noise readout electronics. It was designed for the Archeops experiment, a balloon borne millimetric telescope whose goal is to generate high resolution maps of large regions of the sky, to study the temperature anisotropies of the cosmic background radiation. .

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