A multi-object double spectrograph for the Large Binocular Telescope

Darren L. DePoy; Bruce Atwood; Stanley Ralph Belville; David Frederick Brewer; Paul L. Byard; Mark Derwent; Jennifer L. Marshall; Jerry Allan Mason; C. Morgan; Thomas P. O'Brien; Patrick S. Osmer; Daniel Patrick Pappalardo; Richard W. Pogge; David Paul Steinbrecher; Edward J. Teiga; David Hal Weinberg

doi:10.1117/12.552275

30 September 2004 A multi-object double spectrograph for the Large Binocular Telescope

Darren L. DePoy, Bruce Atwood, Stanley Ralph Belville, David Frederick Brewer, Paul L. Byard, Mark Derwent, Jennifer L. Marshall, Jerry Allan Mason, C. Morgan, Thomas P. O'Brien, Patrick S. Osmer, Daniel Patrick Pappalardo, Richard W. Pogge, David Paul Steinbrecher, Edward J. Teiga, David Hal Weinberg

Author Affiliations +

Proceedings Volume 5492, Ground-based Instrumentation for Astronomy; (2004) https://doi.org/10.1117/12.552275
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

We are building a Multi-Object Double Spectrograph for the Large Binocular Telescope. The instrument is designed to have high throughput from 320 to 1000 nm, spectral resolutions of 1,000-10,000, and multi-object capability over a 6 arcminute field. The design incorporates a dichroic and splits the science beam into a blue and a red channel, each of which can illuminate an 8,192 pixel long detector (with 15 micron pixels) with good image quality. The highly modular design can hold up to three gratings and an imaging flat and a selection of filters in each channel, all of which are quickly accessible; this allows for substantial observing flexibility. Progress on the construction of the instrument and future plans will be described.

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Darren L. DePoy, Bruce Atwood, Stanley Ralph Belville, David Frederick Brewer, Paul L. Byard, Mark Derwent, Jennifer L. Marshall, Jerry Allan Mason, C. Morgan, Thomas P. O'Brien, Patrick S. Osmer, Daniel Patrick Pappalardo, Richard W. Pogge, David Paul Steinbrecher, Edward J. Teiga, and David Hal Weinberg "A multi-object double spectrograph for the Large Binocular Telescope", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); https://doi.org/10.1117/12.552275

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