Cycle 4 FOS Spectral Flat Fields and Monitor

Details Cycle 4 FOS Spectral Flat Fields and Monitor Cycle 4 FOS Spectral Flat Fields and Monitor

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5538k&link_type=abstract

HST Proposal ID #5538

Other

Hst Proposal Id #5538

Scientific paper

Some FOS detector/disperser combinations have shown temporal variations in their flat field structure during SV and Cycle 1. This set of observations will produce additional flat field calibrations appropriate to the Cycle 4 time period. At one epoch during Cycle 4, high S/N spectra are obtained for G191B2B, which has a relatively featureless spectrum and which has been the primary target for earlier flat field observations. Observations are made through the 1.0 aperture. with all usable detector/disperser combinations. This epoch doubles as an IVS measurement. On three other occasions three REDside spectral elements will be monitored with 1.0 aperture.

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