Testing the Telescopes of the CHARA Array

Details Testing the Telescopes of the CHARA Array Testing the Telescopes of the CHARA Array

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.6105s&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #61.05; Bulletin of the American Astronomical Society, Vol. 33, p.876

Physics

Optics

1

Scientific paper

We present quantitative results of tests performed on some of the six telescopes of the CHARA Array. The tests were performed to fine tune the optical alignment of the telescopes, compare their optical quality to the specifications and get experience with the software package used for data reduction. Tests were done by computing the optical wavefront from a set of extra-focal images. The software used was the ef wavefront reduction package by Laplacian Optics, Inc. We also tested the performance of the tip/tilt secondaries of telescopes S1 and S2 and we found that they perform as well as expected. The CHARA Array, a six-telescope O/IR interferometric array operated by Georgia State University on Mt. Wilson, California, was funded by the National Science Foundation, the W.M. Keck Foundation, the David and Lucile Packard Foundation, and Georgia State University.

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