Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasp..110.1479v&link_type=abstract
The Publications of the Astronomical Society of the Pacific, Volume 110, Issue 754, pp. 1479-1486.
Astronomy and Astrophysics
Astronomy
6
Infrared: General, Instrumentation: Spectrographs
Scientific paper
SCORE (SIRTF Cornell Echelle) is a mid-infrared spectrograph with a resolution of lambda/Deltalambda=600 covering the entire ground-based 10 μm atmospheric window in a single exposure. It was built as a proof of concept for one of the SIRTF (Space Infrared Telescope Facility) instruments. It has no moving mechanical parts. SCORE was designed to operate properly upon assembly needing nothing more than a one-time focus adjustment. The instrument has been adapted for use on the Palomar 200 inch (5 m) Hale telescope and has been used there successfully. The demonstrated starting sensitivity is 105 mJy (1 sigma in 100 s at 10 μm). A direct extrapolation to SIRTF conditions predicts a sensitivity between 60 and 90 better than demonstrated on the 200 inch telescope for the same elapsed observing time. Algorithms for reducing the data have been developed in IDL and are discussed. Sample astronomical observations demonstrating SCORE's operation are also presented.
Blalock William
Brown Reggie
Colonno Mike
Gull George E.
Houck James R.
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