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Proceedings Paper

Speckle interferometry of candidate stars for two space telescope programs
Author(s): David R. Blackmore; Steven J. Matcher; Brian L. Morgan; Harry A. Vine; Noel A. Argue; Graeme White
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Paper Abstract

This paper describes the preflight programs developed for two telescope missions, the U.S. Hubble Space Telescope and the European Hipparcos, in order to remove stars showing multiple nature from a set of proposed reference stars. It was found that, in a large unbiased sample of stars, 10 percent of stars at apparent magnitudes between 9 and 13 mag are resolved in the range 0.05-1.00 arcsec. The consequence is a significant increase in the difficulty of making observations with the space telescopes. In the case of Hubble telescope, this will add to the acquisition time of Guide stars by about 11 percent. In the case of Hipparcos, it will introduce small uncorrelated proper motion errors into a number of unidentified unresolved binary stars.

Paper Details

Date Published: 1 August 1990
PDF: 11 pages
Proc. SPIE 1237, Amplitude and Intensity Spatial Interferometry, (1 August 1990); doi: 10.1117/12.19296
Show Author Affiliations
David R. Blackmore, Imperial College of Science, Tech., & Medicine (United Kingdom)
Steven J. Matcher, Imperial College of Science, Tech., & Medicine (United Kingdom)
Brian L. Morgan, Imperial College of Science, Tech., and Medicine (United Kingdom)
Harry A. Vine, Imperial College of Science, Tech., & Medicine (United Kingdom)
Noel A. Argue, Cambridge Univ. (United Kingdom)
Graeme White, Australia Telescope National Facility (Australia)

Published in SPIE Proceedings Vol. 1237:
Amplitude and Intensity Spatial Interferometry
James B. Breckinridge, Editor(s)

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