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| Paper: |
Limits to the Precision of Joint Flux and Position Measurements on Array Data |
| Volume: |
101, Astronomical Data Analysis Software and Systems V |
| Page: |
13 |
| Authors: |
Adorf, Hans-Martin |
| Abstract: |
It is shown how the Cramer-Rao minimum variance bound theorem of advanced statistics can be turned into a powerful practical tool for predicting the statistical photometric and astrometric errors in image data of point sources and extended sources. The tool is applicable to instrument design, observational design, and data analysis. It is used here to predict the minimum errors of astrometric measurements on data frames from the WFPC2 camera on-board the Hubble Space Telescope. |
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