Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.3970j&link_type=abstract
HST Proposal ID #3970
Astronomy and Astrophysics
Astronomy
Hst Proposal Id #3970
Scientific paper
The Astrometry Science Team will characterize the response of the prime astrometry FGS unit to a changing HST thermal environment. By doing this test immediately after the AST Lateral Color test done during a series of "cold" orbits, we can determine changes in FGS behavior with timescales of 10 hours. We can also monitor diurnal changes during the roughly 7 orbits required for this test. There are two versions of this proposal. One for FGS 1, one for FGS 3. This is for FGS 3. Modified to use PUPIL 910918 GFB Modified for better hot orientation (PE inputs) GFB 911001
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