Binary star studies with small telescopes: photometry of close visual systems

The astrophysical study of close visual binary stars presents many problems due to the degradation in spatial information by atmospheric turbulence. An image scanner, part of the instrumentation for the 1 m telescope at La Palma, is described which allows photometry of multiple stellar systems to be...

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Bibliographic Details
Published in:Measurement science & technology 1992-02, Vol.3 (2), p.184-187
Main Authors: Dick, J S B, Devaney, M N, Argyle, R W, Jones, D H P
Format: Article
Language:English
Subjects:
Astronomical and space-research instrumentation
Astronomy
Earth, ocean, space
Engineering
Engineering, Multidisciplinary
Exact sciences and technology
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
Instruments & Instrumentation
Science & Technology
Technology
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Description
Summary:The astrophysical study of close visual binary stars presents many problems due to the degradation in spatial information by atmospheric turbulence. An image scanner, part of the instrumentation for the 1 m telescope at La Palma, is described which allows photometry of multiple stellar systems to be undertaken. The instrument is optimized for correct sampling of the atmospheric turbulence and uses a photomultiplier detector linked to a high-speed photon counting system.
ISSN:0957-0233
1361-6501
DOI:10.1088/0957-0233/3/2/006