Matching the Absolute Calibrations of WISE and Spitzer

Details Matching the Absolute Calibrations of WISE and Spitzer Matching the Absolute Calibrations of WISE and Spitzer

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop..464c&link_type=abstract

Spitzer Proposal ID #464

Computer Science

Scientific paper

The Wide-field Infrared Survey Explorer (WISE), a Medium Explorer currently in Phase C/D, will survey the entire sky to 0.12/0.16/ 0.65/2.6 mJy (5 sigma) at 3.3/4.7/12/23 microns. WISE will observe the north and south ecliptic poles(NEP and SEP) on nearly every orbit, making these ideal calibration fields. The WISE science team requests Spitzer Director's Discretionary Time to survey the NEP with MIPS, the SEP with MIPS and IRAC, and to obtain IRS and MIPS observations of Spitzer calibration stars that are candidate WISE standards. The purposes of these observations are to: - develop new calibrators very close to the SEP; - confirm the photospheric character of potential NEP/SEP WISE calibrators with IRS spectroscopy; - assess the long-term stability for WISE of non-primary IRAC standards; - identify objects that will saturate the WISE arrays in the most frequently observed polar regions. These Spitzer observations should be completed as soon as possible to allow followup ground-based optical classification spectroscopy and photometry, prior to the WISE launch in November 2009.

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