A high accuracy sun sensor
Abstract
The High Accuracy Sun Sensor (HASS) is described, concentrating on measurement principle, the CCD detector used, the construction of the sensorhead and the operation of the sensor electronics. Tests on a development model show that the main aim of a 0.01-arcsec rms stability over a 10-minute period is closely approached. Remaining problem areas are associated with the sensor sensitivity to illumination level variations, the shielding of the detector, and the test and calibration equipment.
- Publication:
-
Automatic Control in Space 1982
- Pub Date:
- 1983
- Bibcode:
- 1983aucs.proc..265B
- Keywords:
-
- Charge Coupled Devices;
- Pointing Control Systems;
- Solar Sensors;
- Spaceborne Telescopes;
- Block Diagrams;
- Electronic Equipment;
- Satellite Attitude Control;
- Spacecraft Instrumentation