Pre-launch characterization of the WISE payload

Harri Latvakoski; Joel Cardon; Mark Larsen; John Elwell

doi:10.1117/12.856130

5 August 2010 Pre-launch characterization of the WISE payload

Harri Latvakoski, Joel Cardon, Mark Larsen, John Elwell

Proceedings Volume 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave; 77310X (2010) https://doi.org/10.1117/12.856130
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The Wide-field Infrared Survey Explorer (WISE), launched in December 2009, is a NASA-funded Explorer mission that is providing an all-sky survey in the mid-infrared with far greater sensitivity and resolution than any previous IR survey mission. The Utah State University Space Dynamics Laboratory designed, fabricated, and characterized the science payload, which is a cryogenically cooled infrared telescope with four 1024x1024 infrared focal plane arrays covering from 2.8 to 26 μm. Pre-launch characterization included measuring focus, image quality, repeatability, response nonlinearity, saturation, latency, absolute response, flatfield, point response function, scanner linearity, and relative spectral response. This paper provides a brief overview of the payload, discusses pre-launch characterization methods, and presents key performance results from ground characterization and early on-orbit performance.

Citation Download Citation

Harri Latvakoski, Joel Cardon, Mark Larsen, and John Elwell "Pre-launch characterization of the WISE payload", Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77310X (5 August 2010); https://doi.org/10.1117/12.856130

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