Speckle interferometry of candidate stars for two space telescope programs

David R. Blackmore; Steven J. Matcher; Brian L. Morgan; Harry A. Vine; Noel A. Argue; Graeme White

doi:10.1117/12.19296

1 August 1990 Speckle interferometry of candidate stars for two space telescope programs

David R. Blackmore, Steven J. Matcher, Brian L. Morgan, Harry A. Vine, Noel A. Argue, Graeme White

Proceedings Volume 1237, Amplitude and Intensity Spatial Interferometry; (1990) https://doi.org/10.1117/12.19296
Event: SPIE Astronomical Telescopes and Instrumentation for the 21st Century, 1990, Tucson, AZ, United States

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.

Citation Download Citation

David R. Blackmore, Steven J. Matcher, Brian L. Morgan, Harry A. Vine, Noel A. Argue, and Graeme White "Speckle interferometry of candidate stars for two space telescope programs", Proc. SPIE 1237, Amplitude and Intensity Spatial Interferometry, (1 August 1990); https://doi.org/10.1117/12.19296

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