Published September 13, 2012
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Pointing effects and their consequences for Spitzer IRAC exoplanet observations
Creators
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1.
California Institute of Technology
Contributors
Abstract
Spitzer observations of exoplanets routinely yield accuracies of better than one part in 10,000. However, there remain a number of issues that limit the attainable precision, particularly for long duration observations. These include initial pointing inaccuracies, pointing wobble, initial target drift, long-term pointing drifts, and low and high frequency jitter. Coupled with small scale, intrapixel sensitivity variations, all of these pointing issues have the potential to produce significant, correlated photometric noise. We examine each of these issues in turn, discussing their suspected causes and consequences, and describing possible and planned mitigation techniques.
Additional Information
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE).Attached Files
Published - 84481I.pdf
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84481I.pdf
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Identifiers
- Eprint ID
- 71298
- Resolver ID
- CaltechAUTHORS:20161019-151801585
Dates
- Created
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2016-10-20Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field
Caltech Custom Metadata
- Caltech groups
- Infrared Processing and Analysis Center (IPAC)
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 8448