CCD star sensors for Indian remote sensing satellites

T. K. Alex; V. Koteswara Rao

doi:10.1117/12.45626

1 July 1991 CCD star sensors for Indian remote sensing satellites

T. K. Alex, V. Koteswara Rao

Proceedings Volume 1478, Sensors and Sensor Systems for Guidance and Navigation; (1991) https://doi.org/10.1117/12.45626
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

Indian remote sensing satellites (IRS) carry a set of star sensors using CCDs for precise determination of satellite attitude. The star sensor data is used for precision annotation of imagery received from the satellite. These satellites are three-axis stabilized in polar sun- synchronized orbits. Two types of star sensors have been developed. The first type is based on a linear CCD and the second one is based on an area CCD. They use thermo-electric coolers to cool the detectors. A comparison of both configurations is given.

Citation Download Citation

T. K. Alex and V. Koteswara Rao "CCD star sensors for Indian remote sensing satellites", Proc. SPIE 1478, Sensors and Sensor Systems for Guidance and Navigation, (1 July 1991); https://doi.org/10.1117/12.45626

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