Astrometric calibration of array detectors

Stuart B. Shaklan; Steven H. Pravdo

doi:10.1117/12.176810

1 June 1994 Astrometric calibration of array detectors

Stuart B. Shaklan, Steven H. Pravdo

Proceedings Volume 2198, Instrumentation in Astronomy VIII; (1994) https://doi.org/10.1117/12.176810
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

The high level of spatial uniformity in modern CCDs and other array detectors make them excellent devices for astrometric and navigational systems. However, at the level of accuracy envisioned by the more ambitious projects, current technology produces devices with significant pixel registration errors. This paper describes a technique for measuring relative pixel positions to an accuracy approaching 0.001 pixel. The technique has been applied to WF/PC II CCDs which are shown to have 500 nm step-and-repeat errors.

Citation Download Citation

Stuart B. Shaklan and Steven H. Pravdo "Astrometric calibration of array detectors", Proc. SPIE 2198, Instrumentation in Astronomy VIII, (1 June 1994); https://doi.org/10.1117/12.176810

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