Late Breaking News
About STIS
The Space Telescope Imaging Spectrograph (STIS) was installed on the Hubble Space Telescope (HST) during the second servicing mission (SM2) in 1997. STIS is a versatile imaging spectrograph, providing spatially resolved spectroscopy from 1150 to 10300 Å at low to medium spectral resolution, high spatial resolution echelle spectroscopy in the UV, solar-blind imaging in the UV, time-tagging of photons for high time resolution in the UV, and direct and coronagraphic imaging in the optical.
STIS operated on Side-1 electronics until 2001, when it experienced an electronic failure. It then switched to the redundant set of electronics, Side-2, where it operated as normal until 2004, when a power supply on Side-2 failed. STIS remained inoperable until it was repaired successfully in 2009 during Servicing Mission 4 (SM4). STIS has since been operating on Side-2 electronics with all ultraviolet and optical channels.
Current Status
STIS is Operational.
Web Tools and Helpful Links
HST Exposure Time Calculator (ETC)
HST Spectroscopic Legacy Archive (HSLA)
STIS Instrument Resources
Recently Published Documents
Instrument Science Reports (ISRs)
Filter Results
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August 21, 2024Svea Hernandez, TalaWanda Monroe, Joleen Carlberg
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ISR 2024-03: Rederivation of STIS Secondary Echelle Mode Traces
June 10, 2024Matthew Siebert, TalaWanda Monroe, Svea Hernandez -
ISR 2024-02: Recalibration of Pre-SM4 STIS Echelle Throughputs
March 15, 2024Matthew Siebert, Joleen Carlberg, Svea Hernandez, TalaWanda Monroe -
ISR 2024-01: Safety Acquisitions: Redundancy for non-repeatable multi-orbit STIS visits
January 30, 2024Matthew M. Dallas & Matthew R. Siebert -
ISR 2022-07: Update of the STIS CTE Correction Formula for Stellar Spectra
October 25, 2022R. C. Bohlin and S. Lockwood