ISR 2022-07: Update of the STIS CTE Correction Formula for Stellar Spectra
October 25, 2022R. C. Bohlin and S. Lockwood
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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.
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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