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Publications of t h e Astronomical Society of t h e Pacific, 110:306316, 1998 March 1998. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A.
 

Summary: 306
Publications of t h e Astronomical Society of t h e Pacific, 110:306­316, 1998 March
1998. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A.
Antarctic Fiber Optic Spectrometer
Maxime Boccas, M i c h a e l C. B. Ashley, A n d r eŽ Phillips,
A n t h o n y Schinckel, a n d John W. V. S t o r e y
Joint Australian Center for Astrophysical Research in Antarctica (JACARA),
School of Physics, University of New South Wales, Sydney 2052, Australia;
mboccas@newt.phys.unsw.edu.au, mcba@newt.phys.unsw.edu.au, map@newt.phys.unsw.edu.au,
aes@newt.phys.unsw.edu.au, jwvs@newt.phys.unsw.edu.au
Received 1997 September 15; accepted 1997 November 19
ABSTRACT. The Antarctic Fiber Optic Spectrometer (AFOS) is one of a suite of instruments of the Automated
Astrophysical Site Testing Observatory (AASTO) installed at the South Pole in 1996 December. In 1998, the
AFOS will be attached to an altitude-azimuth mount and commence regular astronomical observations. In the
years 1998­2000, the AASTO will be moved to other remote locations, high on the Antarctic plateau, in order
to complete the site testing campaign. The AFOS experiment consists of a 30 cm Newtonian telescope injecting
light into a 45 m length of optical fibers that feed a UV-visible (200­840 nm) grating spectrograph inside the
warm shelter. In this paper we describe the instrument and the first results. The main requirement of the design
was reliable operation in an extremely cold environment, without maintenance, for 12 months. This has been
achieved despite the very low power (approximately 7 W) available to run the instrument.

  

Source: Ashley, Michael C. B. - School of Physics, University of New South Wales

 

Collections: Physics