Surface Figure of 14m Radio Telescope Measured by Theodolite

Details Surface Figure of 14m Radio Telescope Measured by Theodolite Surface Figure of 14m Radio Telescope Measured by Theodolite

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pkas...12..159j&link_type=abstract

Publications of the Korean Astronomical Society, vol.12, no.1, p.159-165

Astronomy and Astrophysics

Astronomy

Scientific paper

In order to reduce the small scale fluctuation resulting from shearing holography(Park et al. 1997), differential panel adjustments were performed for 14m radio telescope of Taeduk Radio Astronomy Observatory with T2 theodolite. It appears that this method improves the surface accuracy by about 50 micron. The measured surface accuracy is, at best, 170 micron. The beam efficiency at 86.2GHz is estimated to be 44%. We also found that the elevation at which Park et al. performed holography was too low.

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