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SIRTF Focal Plane Survey : a pre-flight error analysis

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dc.contributor.author Bayard, David S.
dc.contributor.author Brugarolas, Paul B.
dc.contributor.author Boussalis, Dhemetrios
dc.contributor.author Kang, Bryan H.
dc.date.accessioned 2009-04-08T17:00:30Z
dc.date.available 2009-04-08T17:00:30Z
dc.date.issued 2003-09-01
dc.identifier.uri http://hdl.handle.net/2014/41147
dc.description.abstract This report contains a pre-flight error analysis of the calibration accuracies expected from-implementing the currently planned SIRTF focal plane survey strategy. The main purpose of this study is to verify that the planned strategy will meet focal plane survey calibration requirements (as put forth in the SIRTF IOC-SV Mission Plan [4]), and to quantify the actual accuracies expected. The error analysis was performed by running the Instrument Pointing Frame (IPF) Kalman filter on a complete set of simulated IOC-SV survey data, and studying the resulting propagated covariances. The main conclusion of this study is that the all focal plane calibration requirements can be met with the currently planned survey strategy. The associated margins range from 3 to 95 percent, and tend to be smallest for frames having a 0.14" requirement, and largest for frames having a more generous 0.28" (or larger) requirement. The smallest margin of 3 percent is associated with the IRAC 3.6 and 5.8 um array centers (frames 068 and 069), and the largest margin of 95 percent is associated with the MIPS 160 um array center (frame 087). For pointing purposes, the most critical calibrations are for the IRS Peakup sweet spots and short wavelength slit centers (frames 019, 023, 052, 028, 034). Results show that these frames are meeting their 0.14" requirements with an expected accuracy of approximately 0.1", which corresponds to a 28 percent margin. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003. en_US
dc.relation.ispartofseries JPL en_US
dc.relation.ispartofseries D-26678 en_US
dc.subject calibrations en_US
dc.subject pointing en_US
dc.subject Kalman filter en_US
dc.title SIRTF Focal Plane Survey : a pre-flight error analysis en_US
dc.type Technical Report en_US


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