Computer Science – Performance
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.160...55a&link_type=abstract
(Group of Optical and Infrared Astronomers in Japan, Astronomical Society of Japan, Inamori Foundation, et al., International Sy
Computer Science
Performance
Design Analysis, Mirrors, Telescopes, Interferometry, Performance Prediction, Structural Design, Thermal Stability
Scientific paper
An overview of recent advances in the Columbus Project telescope and the Mirror Laboratory Program at the University of Arizona during the period March-December 1988 is presented. A common baseline design for the 8-meter honeycomb mirrors for the Columbus and Magellan telescopes has been developed, showing a stiffness comparable to that of the Palomar 200-inch mirror. The Mirror Lab has successfully cast two 3.5-meter honeycomb blanks and expects to begin casting at 6.5 and 8 meter scale at the end of 1990. Interferometric tests of the Vatican f/1 1.8 meter borosilicate honeycomb mirror show good stability of figure with the air jet ventilation system. A 60-cm stressed lap has been completed, and will be used to parabolize this mirror polished as an f/1 sphere. Plans for a polishing facility to house two 8-meter machines and a test tower are complete.
Angel James Roger P.
Hill James M.
Martin Heath M.
Strittmatter Peter A.
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