Detecting Cosmic Rays in Infrared Data

Details Detecting Cosmic Rays in Infrared Data Detecting Cosmic Rays in Infrared Data

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010hstc.worke..60a&link_type=abstract

"2010 Space Telescope Science Institute Calibration Workshop - Hubble after SM4. Preparing JWST, held 21-23 July 2010 at Space T

Astronomy and Astrophysics

Astronomy

Scientific paper

Cosmic rays are a known problem in infrared astronomy, causing both loss of data and data accuracy. The problem becomes even more extreme when considering data from a high radiation environment such as in orbit around Earth, or outside the Earth's magnetic field altogether, unprotected, as the James Webb Space Telescope will be. To find the best method to correct for this disturbance we develop three cosmic ray detection methods: a 2-point difference method, a deviation from the fit method, and a y-intercept method. These methods will be applied to simulated non-destructive read ramps with varying combinations of slope, number of frames, number of cosmic rays, and cosmic ray frame number and strength.

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