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A Coudé Auxiliary Feed for the AAT: a Focus for International Co-operation in Optical Astronomy

  • P. Gillingham (a1), M. Pettini (a1), M. Bessell (a2), L. Cram (a3) and K. Ogura (a4)...

Abstract

In 1988, a very powerful and versatile coudé echelle spectrograph was installed at the Anglo-Australian Telescope. Since then it has been winning about 30% of AAT time and has been highly productive scientifically. Therefore, using a coudé auxiliary telescope (CAT) to give the spectrograph more use and to free the AAT for other work is a very attractive possibility, particularly if the CAT can give a sensitivity similar to that obtained with the 3.9-metre telescope. While a conventional CAT with such performance would be very expensive, a much cheaper instrument should approach this goal, at least for high resolution spectroscopy. Even so, the cost could not be met in a reasonable time within the AAO’s budget; hence, additional international collaboration is being sought.

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Copyright

References

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Gillingham, P. R., 1989, Astrophys. Space Sci., 160, 225.
Gillingham, P. R., 1990, “The Merits of Inertial Drives for Ground-based Optical Telescopes”, SPIE Conference 1236: Advanced Technology Optical Telescopes IV.

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