1.7 STIS Operations and Calibration Timeline
Here we summarize some of the milestones in STIS operations and innovations in calibration.
Date | Event |
|---|---|
1997-Feb-14 | STIS installed on HST |
1997-Feb-21 | Servicing Mission 2 programs started |
1997-Sep-25 | Servicing Mission 2 programs finished |
1999-Mar-15 | G140L and G140M moved from 3" above center to 3" below center to avoid the repeller wire shadow (see the STIS Instrument Handbook, section 7.6) |
1999-Dec-14 | On-the-fly-calibration (OTFC) enabled |
1999-Dec-27 | Servicing Mission 3A programs started |
2000-Feb-06 | Servicing Mission 3A programs finished |
2000-Jul-03 | E1 pseudo-apertures implemented (see the STIS Instrument Handbook, section 4.2.3) |
2001-May-01 | On-the-fly-recalibration (OTFR) enabled |
2001-May-16 | Side-1 electronics failed, operations suspended |
2001-Jul-10 | Side-2 electronics enabled, operations resumed |
2002-Mar-12 | Servicing Mission 3B programs started |
2002-May-05 | Servicing Mission 3B programs finished |
2002-Sep-05 | Time-dependent sensitivity correction implemented for MAMA data |
2002-Sep-05 | Blaze shift correction for echelle data implemented |
2003-Aug-04 | E2 and D1 pseudo-apertures implemented, E1 pseudo-apertures revised (see Section 4.3.2) |
2003-Nov-13 | Time-dependent sensitivity correction implemented for CCD data |
2003-Dec-16 | Charge transfer inefficiency correction implemented for CCD data |
2004-Aug-03 | Side-2 electronics failed, operations suspended |
2005-Dec-13 | New combined grating/aperture correction implemented (see Section 3.4.13) |
2006-Nov-03 | Echelle data flux calibration significantly improved, trace rotation implemented for commonly used first order modes |
2006-Nov-22 | Full recalibration of archival STIS data started |
2009-May-11 | Servicing Mission 4 program started |
2009-May-17 | Side-2 electronics are repaired, operations resumed |
2009-May-24 | Servicing Mission 4 program finished |
2011-Mar-01 | Updated NUV-MAMA bad-pixel masks to include vignetted corners for different optical elements |
2011-Nov-08 | Consistent post-SM4 sensitivity curves implemented for all echelle modes (STIS ISR 2012-01) |
2015-Sep-03 | Pixel-based CTE correction stand-alone tool released (stis-cti). |
2016-May-16 | BAR5 coronagraphic aperture location implemented (STIS ISR 2017-03) |
2016-Nov-19 | Spatial scans with the CCD made available, with the first GO program observations taken with the use of this |
2017-Jan-20 | HST/STIS Target Acquisition Simulator Released (stistarg) |
2017-Jul-07 | FUV-MAMA geometric distortion correction implemented (STIS ISR 2018-02) |
2017-Sep-19 | STIS blaze fix tool released (STIS ISR 2018-01) |
2022-May-19 | Recalibration of the E140M Sensitivity Curve (STIS ISR 2022-04) |
2022-Apr-20 | Flux recalibration: High Priority Spectroscopic MAMA/CCD Modes (April 2022 STAN) |
2022-Dec-16 | Flux recalibration for E230M Echelle Grating (January 2023 STAN; STIS ISR 2024-04) |
2023-Apr-14 | Flux recalibration for G750L (May 2023 STAN) |
2023-Jul-24 | Rederivation of Nine STIS Secondary Echelle Mode Spectral Traces (July 2023 STAN; STIS ISR 2024-03) |
2023-Aug-01 | Recalibration of NUV-MAMA Imaging Modes and Lower Priority Echelle Modes (July 2023 STAN; STIS ISR 2024-04) |
2024-Mar-15 | Recalibration of Pre-SM4 STIS Echelle Throughputs (STIS ISR 2024-02) |