Experimental study for the effects of stellar spectrums on the location accuracy of a star sensor

Zi-min Wu; Jian-kun Yang; De-zhi Su

doi:10.1117/12.900516

18 August 2011 Experimental study for the effects of stellar spectrums on the location accuracy of a star sensor

Zi-min Wu, Jian-kun Yang, De-zhi Su

Proceedings Volume 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications; 819422 (2011) https://doi.org/10.1117/12.900516
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

This paper focuses on the simulation and experimental testing for the star sensor system about position accuracy with different spectrums. The simulated model has been presented to analyze the effect of stellar spectrums on star sensor. Stellar spectrum types of K0, A, F are chosen as simples and simulated with software CODE V. The simulated results show that the RMS position error of the image spot is 0.24 pixels. An experiment is taken to verify this effect. By setting different band-pass light filters in the optical path structure, different spectrums of star light are achieved. The image spot centroids have been obtained at five different angles of view when the simulated star light is in different wavelength range. The experimental results show that the RMS position error is about 0.18 pixels. It is similar to the theoretical simulation analysis.

Citation Download Citation

Zi-min Wu, Jian-kun Yang, and De-zhi Su "Experimental study for the effects of stellar spectrums on the location accuracy of a star sensor", Proc. SPIE 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, 819422 (18 August 2011); https://doi.org/10.1117/12.900516

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