ISR 2022-07: Update of the STIS CTE Correction Formula for Stellar Spectra
October 25, 2022R. C. Bohlin and S. Lockwood
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.
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Instrument Science Reports (ISRs)
Listing Results
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ISR 2022-05: Scattered Light in STIS Grating G230LB
October 04, 2022G. Worthey, T. Pal, I. Khan, X. Shi, R. C. Bohlin -
ISR 2022-06: Flux Repeatability of FUV-MAMA Spectra as a Function of Cross-dispersion Position
September 30, 2022L. Dos Santos -
ISR 2022-04: Recalibration of the STIS E140M Sensitivity Curve
May 19, 2022J. Carlberg, T. Monroe, A. Riley, S. Hernandez -
ISR 2022-03: Comparison of STIS CCD CTI Corrections on Photometry
May 12, 2022L. Prichard