Sensitivity model for the wide-field infrared explorer mission

John C. Kemp; Roy W. Esplin; Perry B. Hacking

doi:10.1117/12.221359

29 September 1995 Sensitivity model for the wide-field infrared explorer mission

John C. Kemp, Roy W. Esplin, Perry B. Hacking

Proceedings Volume 2553, Infrared Spaceborne Remote Sensing III; (1995) https://doi.org/10.1117/12.221359
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

The wide-field infrared explorer (WIRE) is a cryogenically cooled infrared telescope being prepared to study the evolution of starburst galaxies. The WIRE instrument will measure the infrared energy in two broad bands. Two 128- by 128-pixel arsenic-doped silicon focal plane arrays detect the galactic emissions. We provide a sensitivity analysis for the long wavelength band, 21 to 27 micrometers , including NEP for a single element. Ultimate flux sensitivity is limited by imaging resolution which includes the effects of diffraction, spacecraft jitter, and sampling of the point spread fuction. Observation times to obtain these confusion limited measurements are provided. Ground characterization and on-orbit calibration measurements are outlined, as is the simulation plan.

Citation Download Citation

John C. Kemp, Roy W. Esplin, and Perry B. Hacking "Sensitivity model for the wide-field infrared explorer mission", Proc. SPIE 2553, Infrared Spaceborne Remote Sensing III, (29 September 1995); https://doi.org/10.1117/12.221359

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