WFC3 IR Channel Corrector Alignment

Details WFC3 IR Channel Corrector Alignment WFC3 IR Channel Corrector Alignment

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005wfc..rept....3h&link_type=abstract

Instrument Science Report WFC3 2005-03, 5 pages

Physics

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 3, Wfc3, Ir Channel

Scientific paper

A direct assessment of the alignment sensitivities of the IR channel corrector, using the flight hardware, was performed in Oct 2004 during the first thermal-vacuum test of the integrated WFC3 instrument. The significant level of cross-coupling between focus and coma-correcting cylinder offsets has been measured and encoded into IDL tools that enable rapid convergence to an optimal image quality configuration of the IR corrector.

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