WFC3 Optical Alignment Characterization in Thermal-Vacuum Test #3

Details WFC3 Optical Alignment Characterization in Thermal-Vacuum Test #3 WFC3 Optical Alignment Characterization in Thermal-Vacuum Test #3

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008wfc..rept...32h&link_type=abstract

Instrument Science Report WFC3 2008-32, 6 pages

Physics

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wfc3, Wide Field Camera 3, Optical Alignment, Thermal Vacuum Test

Scientific paper

We have performed an assessment of the optical alignment of the WFC3 instrument in its final flight configuration, including the UVIS-1' and IR-4 detectors, during the 3rd thermal-vac test in March 2008. Both detectors are found to be aligned to well within tolerance in all degrees of freedom. The corrector settings, after adjustment to optimize image quality, are within the budgeted range for ground alignment, leaving ample range for on-orbit alignment optimization. The UVIS and IR fields of view are concentric to within ~1 arcsec and their respective AXIS-2 orientations are aligned to <0.1 deg at field center.

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