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Title:
An automated DIMM telescope for Antarctica
Authors:
Dopita, M. A.; Wood, P. R.; Hovey, G. R.
Publication:
Publications Astronomical Society of Australia, vol. 13, no. 1, p. 39-43 (PASA Homepage)
Publication Date:
01/1996
Origin:
PASA
Keywords:
ATMOSPHERIC EFFECTS, INSTRUMENTATION, TELESCOPES
Bibliographic Code:
1996PASA...13...39D

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 the 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 (-90C).

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