Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.4304k&link_type=abstract
American Astronomical Society, 189th AAS Meeting, #43.04; Bulletin of the American Astronomical Society, Vol. 28, p.1325
Astronomy and Astrophysics
Astronomy
Scientific paper
The Space Telescope Imaging Spectrograph (STIS) is a second generation Hubble Space Telescope instrument. STIS will be installed in HST during the second servicing mission in February 1997. The STIS instrument provides both spectrographic and imaging capability from the far ultraviolet (1150 Angstroms) through the visible (10000 Angstroms) region of the spectrum. The far ultraviolet (Band 1) spans the wavelengths from 1150 Angstroms to 1700 Angstroms and utilizes a MAMA detector with a CsI photocathode. The near ultraviolet (Band 2) spans the wavelengths from 1650 Angstroms to 3100 Angstroms and is supported by a MAMA detector with a CsTe photocathode. Band 3 spans the wavelengths from 3050 Angstroms to 5550 Angstroms and Band 4 spans the wavelength region from 5500 Angstroms to 11000 Angstroms. Both visible bands are supported by the same CCD detector. Multiple resolutions are supported for each band. Low and medium resolution, first order spectroscopy, is provided from the far ultraviolet through the visible region of the spectrum for faint objects. In addition, high resolution echelle spectroscopy is provided for both ultraviolet bands. For the ultraviolet bands the field-of-view is 27 arcseconds and for the visible bands the field-of-view is 52 arcseconds. The results of the ground based calibration of STIS will be presented. Both wavelength and flat field calibrations are supported through the use of on-board calibration lamps. In particular, sensitivity and throughput measurements of the various STIS modes will be discussed. Both ``supported'' and ``available'' modes will also be identified and discussed.
Bowers Charles
Collins Nathan
Downey Stephen
Ebbets Dennis
Feggans Keith
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