Smov Costar/ghrs Sensitivity Msmt - (replacement for Ssa Portion of 4786)

Details Smov Costar/ghrs Sensitivity Msmt - (replacement for Ssa Portion of 4786) Smov Costar/ghrs Sensitivity Msmt - (replacement for Ssa Portion of 4786)

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5609s&link_type=abstract

HST Proposal ID #5609

Physics

Hst Proposal Id #5609

Scientific paper

This proposal defines the program to measure the sensitivity of the COSTAR/GHRS optical path. It uses two UV standard stars, BD+28d4211, and Mu Columbae. BD+28d4211 is the long term standard, and allows cross-calibration with FOS. Mu Col will be observed with the LSA and SSA. The exposure times are short. The medium resolution gratings will measure Mu Columbae through the LSA and SSA. Observations will be made at intervals of 100A across the range of each grating. For the Echelle, OSCAN observations will measure the sensitivity near the the blaze peak. The setups for the Echelle is chosen to be the same as that used in the routine calibration program to maintain traceability to the pre-servicing calibrations. WSCAN observations will scan across m=20 in ECH-B.

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