Updated Status and Performance of the Space Telescope Imaging Spectrograph

Details Updated Status and Performance of the Space Telescope Imaging Spectrograph Updated Status and Performance of the Space Telescope Imaging Spectrograph

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21833102w&link_type=abstract

American Astronomical Society, AAS Meeting #218, #331.02; Bulletin of the American Astronomical Society, Vol. 43, 2011

Computer Science

Performance

Scientific paper

A description is provided of the overall performance of the Space Telescope Imaging Spectrograph after Cycle 17 and through the first half of Cycle 18. Most aspects of performance are still found to be consistent with extrapolations of the trends seen during Cycle 17 calibrations. Many of the characteristics of the instrument have changed over time, and we present here an update on its current performance based on the latest Cycle 18 calibration observations. We discuss changes in the CCD and MAMA dark currents, provide updates on the sensitivity of STIS modes, echelle blaze function, discuss changes, if any, in number of hot pixels, flat fields, charge transfer inefficiency, read noise, and spurious charge.

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