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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)
Program Information
STIS Instrument Resources
Recently Published Documents
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January 21, 2025D. Welty, R. Bohlin, J. Carlberg, M. Dallas, S. Hernandez, A. Jones, S. Lockwood, S. Medallon, E. Rickman, D. Stapleton, T. Wheeler
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ISR 2024-04: Updating the Sensitivity Curves of the STIS Echelles (Post-SM4)
August 21, 2024Svea Hernandez, TalaWanda Monroe, Joleen Carlberg -
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
Analysis Newsletters (STANs)
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January 2025 STAN
January 31, 2025 -
October 2024 STAN
October 28, 2024 -
July 2024 STAN
July 11, 2024 -
March 2024 STAN
March 08, 2024 -
February 2024 STAN
February 26, 2024
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HST Help Desk
Please contact the HST Help Desk with any questions.