Validation of Up-the-Ramp Sampling with Cosmic Ray Rejection on IR Detectors

Details Validation of Up-the-Ramp Sampling with Cosmic Ray Rejection on IR Detectors Validation of Up-the-Ramp Sampling with Cosmic Ray Rejection on IR Detectors

2000-08-17

arxiv.org/abs/astro-ph/0008271v3

Publ.Astron.Soc.Pac. 113 (2000) 240

Astronomy and Astrophysics

Astrophysics

30 pages, 13 figures. Accepted for publication in the PASP, 25 October 2000

Scientific paper

10.1086/318615

We examine cosmic ray rejection methodology on data collected from InSb and Si:As detectors. The application of an Up-the-Ramp sampling technique with cosmic ray identification and mitigation is the focus of this study. This technique is valuable for space-based observatories which are exposed to high-radiation environments. We validate the Up-the-Ramp approach on radiation-test data sets with InSb and Si:As detectors which were generated for SIRTF. The Up-the-Ramp sampling method studied in this paper is over 99.9% effective at removing cosmic rays and preserves the structure and photometric quality of the image to well within the measurement error.

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