Essentials of JWST Flux Calibration

Details Essentials of JWST Flux Calibration Essentials of JWST Flux Calibration

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010hstc.worke..40g&link_type=abstract

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

Computer Science

Scientific paper

Planning for the JWST absolute flux calibration has begun. The science goal is to be able to predict the absolute flux of stars for all JWST instruments to sub-1% accuracy. A set of A0V, solar, and white dwarfs stars have been picked as a preliminary calibration sample. These stars have been observed with a combination of the Spitzer and Hubble Space Telescopes. The mapping of these stars to the sensitivities of the JWST instruments is shown along with the comparison of the Hubble and Spitzer flux calibrations. The Hubble calibration is 1% lower than the official IRAC calibration of Reach et al. (2005) and 1.5% lower than the proposed calibration of Rieke et al. (2008).

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