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Published July 9, 2008 | Published
Book Section - Chapter Open

The performance of TripleSpec at Palomar


We report the performance of Triplespec from commissioning observations on the 200-inch Hale Telescope at Palomar Observatory. Triplespec is one of a set of three near-infrared, cross-dispersed spectrographs covering wavelengths from 1 - 2.4 microns simultaneously at a resolution of ~2700. At Palomar, Triplespec uses a 1×30 arcsecond slit. Triplespec will be used for a variety of scientific observations, including moderate to high redshift galaxies, star formation, and low mass stars and brown dwarfs. When used in conjunction with an externally dispersed interferometer, Triplespec will also detect and characterize extrasolar planets.

Additional Information

© 2008 Society of Photo-Optical Instrumentation Engineers (SPIE). We gratefully acknowledge the help and support of Mike Ressler and Nick Gautier at the Jet Propulsion Laboratory at Caltech in the purchase of a number of hardware items for TripleSpec including the spectrograph detector, the cryostat, and spectrograph camera. We also thank the Palomar staff for their excellent support during TripleSpec commissioning.

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