11 July 2008 2dF grows up: Echidna for the AAT
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Abstract
We present the concept design of a new fibre positioner and spectrograph system for the Anglo-Australian Telescope, as a proposed enhancement to the Anglo-Australian Observatory's well-known 2dF facility. A four-fold multiplex enhancement is accomplished by replacing the 400-fibre 2dF fibre positioning robot with a 1600-fibre Echidna unit, feeding three clones of the AAOmega optical spectrograph. Such a facility has the capability of a redshift 1 survey of a large fraction of the southern sky, collecting five to ten thousand spectra per night for a million-galaxy survey.
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Andrew McGrath, Sam Barden, Stan Miziarski, William Rambold, Greg Smith, "2dF grows up: Echidna for the AAT", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70144K (11 July 2008); doi: 10.1117/12.788605; https://doi.org/10.1117/12.788605
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