WISE: the Wide-field Infrared Survey Explorer

Edward L. Wright

doi:10.1117/12.829361

27 August 2009 WISE: the Wide-field Infrared Survey Explorer

Edward L. Wright

Proceedings Volume 7419, Infrared Systems and Photoelectronic Technology IV; 741902 (2009) https://doi.org/10.1117/12.829361
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

The Wide-field Infrared Survey Explorer (WISE) is a medium class NASA Explorer mission designed to map the entire sky in 4 mid-infrared bands, with band centers at 3.4, 4.6, 12 & 22 μm. The sensitivity requirements are 120, 160, 850 & 4000 μJy in these bands. The angular resolution should be 6" FWHMor better except at 22 μm where diffraction in the 40 cm diameter aperture degrades the resolution to 12" FWHM. WISE takes images simultaneously in all 4 bands in a 47' FOV using 1024² pixel arrays and 2.75" pixels. WISE will be launched into a 500 km altitude 97° inclination Sun-synchronous orbit at the terminator. Launch is currently scheduled for 6 AM in late 2009. WISE scans a circle perpendicular to the Earth-Sun line which leads to an all-sky survey in 6 months.

Citation Download Citation

Edward L. Wright "WISE: the Wide-field Infrared Survey Explorer", Proc. SPIE 7419, Infrared Systems and Photoelectronic Technology IV, 741902 (27 August 2009); https://doi.org/10.1117/12.829361

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