Computer Science – Performance
Scientific paper
May 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21641306w&link_type=abstract
American Astronomical Society, AAS Meeting #216, #413.06; Bulletin of the American Astronomical Society, Vol. 41, p.823
Computer Science
Performance
Scientific paper
The Space Telescope Imaging Spectrograph was installed during Hubble Servicing Mission 2 in 1997 and operated until a malfunction in 2004. It was repaired during Servicing Mission 4 (SM4) in 2009, and has successfully operated since then. 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 17 calibration observations. Of special note is the continuing slow decline of the NUV MAMA dark current, which had been found to be unexpectedly high after SM4. We will also discuss changes in the echelle blaze function, provide updates on the sensitivity of all STIS modes, and discuss changes in the CCD detector's dark current, hot pixels, flat fields, and other performance characteristics.
Aloisi Alessandra
Bohlin Ralph Charles
Bostroem Azalee
Dixon William V.
Goudfrooij Paul
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