12 October 2004 On-orbit performance of the MIPS instrument
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Abstract
The Multiband Imaging Photometer for Spitzer (MIPS) provides long wavelength capability for the mission, in imaging bands at 24, 70, and 160 microns and measurements of spectral energy distributions between 52 and 100 microns at a spectral resolution of about 7%. By using true detector arrays in each band, it provides both critical sampling of the Spitzer point spread function and relatively large imaging fields of view, allowing for substantial advances in sensitivity, angular resolution, and efficiency of areal coverage compared with previous space far-infrared capabilities. The Si:As BIB 24 micron array has excellent photometric properties, and measurements with rms relative errors of 1% or better can be obtained. The two longer wavelength arrays use Ge:Ga detectors with poor photometric stability. However, the use of 1.) a scan mirror to modulate the signals rapidly on these arrays, 2.) a system of on-board stimulators used for a relative calibration approximately every two minutes, and 3.) specialized reduction software result in good photometry with these arrays also, with rms relative errors of less than 10%.
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George H. Rieke, Erick T. Young, James Cadien, Charles W. Engelbracht, Karl D. Gordon, Douglas M. Kelly, Frank J. Low, Karl A. Misselt, Jane E. Morrison, James Muzerolle, G. Rivlis, John A. Stansberry, Jeffrey W. Beeman, Eugene E. Haller, David T. Frayer, William B. Latter, Alberto Noriega-Crespo, Deborah L. Padgett, Dean C. Hines, J. Douglas Bean, William Burmester, Gerald B. Heim, Thomas Glenn, R. Ordonez, John P. Schwenker, S. Siewert, Donald W. Strecker, S. Tennant, John R. Troeltzsch, Bryce Unruh, R. M. Warden, Peter A.R. Ade, Almudena Alonso-Herrero, Myra Blaylock, Herve Dole, Eiichi Egami, Joannah L. Hinz, Emeric LeFloch, Casey Papovich, Pablo G. Perez-Gonzalez, Marcia J. Rieke, Paul S. Smith, Kate Y. L. Su, Lee Bennett, David Henderson, Nanyao Lu, Frank J. Masci, Misha Pesenson, Luisa Rebull, Jeonghee Rho, Jocelyn Keene, Susan Stolovy, Stefanie Wachter, William Wheaton, Paul L. Richards, Harry W. Garner, M. Hegge, Monte L. Henderson, Kim I. MacFeely, David Michika, Chris D. Miller, Mark Neitenbach, Jeremiah Winghart, R. Woodruff, E. Arens, Charles A. Beichman, Stephen D. Gaalema, Thomas Nicholas Gautier, Charles J. Lada, Jeremy Mould, Gerry X. Neugebauer, Karl R. Stapelfeldt, "On-orbit performance of the MIPS instrument", Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, (12 October 2004); doi: 10.1117/12.551965; https://doi.org/10.1117/12.551965
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