Space Telescope Science Institute
STIS Data Handbook 6.0 May 2011
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STIS Data Handbook > Chapter 1: STIS Overview > 1.7 STIS Operations and Calibration Timeline

1.7
Here we summarize the milestones in STIS operations and innovations in calibration.
Date
G140L and G140M moved from 3" above center to 3" below center
to avoid repeller wire (see the STIS Instrument Handbook, Section 7.5
MAMA Spectral Offsetting) shadow
E1 pseudo-apertures (see the STIS Instrument Handbook,
Section 7.2.7 Mitigation...) implemented
Time-dependent sensitivity correction implemented for MAMA data
Time-dependent sensitivity correction implemented for CCD data
Echelle data flux calibration significantly improved, trace rotation
implemented for commonly used first order modes

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