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The AAT's 2-Degree Field Project

Published online by Cambridge University Press:  25 May 2016

K. Taylor
Affiliation:
Anglo-Australian Observatory, Australia
R.D. Cannon
Affiliation:
Anglo-Australian Observatory, Australia
Q.A. Parker
Affiliation:
Anglo-Australian Observatory, Australia

Extract

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The “Two-degree Field” (2dF) project at the Anglo-Australian Observatory (AAO) gives the 3.9m Anglo-Australian Telescope (AAT) a field of view two degrees in diameter at the prime focus, equipped with 400 optical fibres for multi-object spectroscopy. The basic components of 2dF are the corrector lens optics, the robot which positions the fibres and a pair of spectrographs. All these are mounted on a new ‘top end ring’ so that the whole assembly can be easily put on and off the telescope. Here we will give an update on the status of 2dF, highlighting features which have changed or been developed since earlier reports.