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| HST Spectroscopy
| STScI Analysis Newsletter
| STIS/GHRS/FOS
| April 2005
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Visit the "New in the Last 45 Days" section of the STIS 
website at http://www.stsci.edu/hst/stis for new
information about STIS.

This and previous issues of the STAN can be found at 
http://www.stsci.edu/hst/stis/documents/newsletters.

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Changes to CALSTIS Software and STIS OTFR Products

We describe recent changes to calstis and the calibrated
STIS data products delivered from the MAST archive.


Updates to STIS Spectroscopic Throughputs

New photometric throughput files have been delivered for
G140L, G230L, the NUV-MAMA PRISM, and all STIS echelle
modes. Time-dependent sensitivity corrections for the PRISM
and echelle modes are now included for the first time.


Recently published Instrument Science Reports (ISRs)

ISR 2005-01: A New Flux Calibration for the STIS Objective
Prism


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| The Space Telescope Science Institute is operated by the
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| Inc., under NASA contract NAS5-26555.
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