Multi-functional star tracker — future perspectives

Authors

  • J. Roháč
  • M. Řeřábek
  • R. Hudec

DOI:

https://doi.org/10.14311/1486

Keywords:

star tracker, horizon sensor, all-sky camera, photometry, astrometry, space variant image processing.

Abstract

This paper focuses on the idea of a multi-functional wide-field star tracker (WFST) and provides a description of the current state-of-the-art in this field. The idea comes from a proposal handed in to ESA at the beginning of 2011. Star trackers (STs) usually have more than one object-lens with a small Field-of-View. They provide very precise information about the attitude in space according to consecutive evaluation of star positions. Our idea of WFST will combine the functions of several instruments, e.g. ST, a horizon sensor, and an all-sky photometry camera. WFST will use a fish-eye lens. There is no comparable product on the present-day market. Nowadays, spacecraft have to carry several instruments for these applications. This increases the weight of the instrumentation and reduces the weight available for the payload.

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Author Biographies

J. Roháč

M. Řeřábek

R. Hudec

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Published

2011-01-06

How to Cite

Roháč, J., Řeřábek, M., & Hudec, R. (2011). Multi-functional star tracker — future perspectives. Acta Polytechnica, 51(6). https://doi.org/10.14311/1486

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Section

Articles