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CTE in Space Astrometry

Published online by Cambridge University Press:  01 October 2007

V. Kozhurina-Platais
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr. Baltimore, 21904, USA email: verap@stsci.edu
M. Sirianni
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr. Baltimore, 21904, USA email: verap@stsci.edu European Space Agency email: sirianni@stsci.edu, marcoc@stsci.edu
M. Chiaberge
Affiliation:
Space Telescope Science Institute, 3700 San Martin Dr. Baltimore, 21904, USA email: verap@stsci.edu European Space Agency email: sirianni@stsci.edu, marcoc@stsci.edu
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Abstract

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An imperfect CTE in CCD detectors is one of the most important instrumental issues affecting both photometry and astrometry, especially in space-based observations. We discuss the CTE effect in the images taken with the Hubble Space Telescope's, Advanced Camera for Surveys in Wide Field Channel (ACS/WFC). ACS is the only imaging instrument capable of delivering sub-mas astrometry from a single observation, and it is important to take into account any instrumental systematic in positions such as the CTE effect.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2008

References

Anderson, J. & King, I. 2006, ACS Instrument Science Report, 2006-01, (Baltimore:STScI)Google Scholar
Dolphin, A. E. 2000, PASP, 112, 1397CrossRefGoogle Scholar
Goudfrooij, P., Bohlin, R. C., & Maíz-Apellániz, J., 2006, PASP, 118, 1455CrossRefGoogle Scholar
Kozhurina-Platais, V., et al. , 2007, ACS Instrument Science Report, 2007-04, (Baltimore:STScI)Google Scholar
Riess, A. & Mack, J. 2004, ACS Instrument Science Report, 2004-06, (Baltimore:STScI)Google Scholar
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