An Automated DIMM Telescope for Antarctica

Abstract A knowledge of the on-ice seeing is a key requirement for planning future Antarctic observatories. In this paper we discuss the likely negative impact on seeing produced by the development of the deep winter surface temperature inversion (Ekman layer). The Automated Astronomical Site Testin...

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Bibliographic Details
Published in:Publications of the Astronomical Society of Australia
Main Authors: Dopita, Michael A., Wood, Peter R., Hovey, Gary R.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1996
Subjects:
Space and Planetary Science
Astronomy and Astrophysics
Antarctic
The Antarctic
Antarc*
Antarctica
Online Access:http://dx.doi.org/10.1017/s1323358000020506
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S1323358000020506
Description
Summary:Abstract A knowledge of the on-ice seeing is a key requirement for planning future Antarctic observatories. In this paper we discuss the likely negative impact on seeing produced by the development of the deep winter surface temperature inversion (Ekman layer). The Automated Astronomical Site Testing Observatory (AASTO) will deploy, as one of its complement of site-testing instruments, an automated differential image motion monitor (DIMM) telescope designed to generate seeing data throughout the Antarctic winter. Here we describe the multi-aperture concept which has been developed for this mission, and touch upon some of the critical technological considerations associated with the low power budget and with the requirement of autonomous operation at very low temperature (–90°C).

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