CIAX: Cassegrain instrument auto exchanger for the Subaru telescope

Details CIAX: Cassegrain instrument auto exchanger for the Subaru telescope CIAX: Cassegrain instrument auto exchanger for the Subaru telescope

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4009..141u&link_type=abstract

Proc. SPIE Vol. 4009, p. 141-150, Advanced Telescope and Instrumentation Control Software, Hilton Lewis; Ed.

Physics

1

Scientific paper

The Cassegrain Instrument Automatic eXchanger (CIAX) system for the 8.2 meter Subaru Telescope moves instruments between the Cassegrain mounting flange and stand-by flanges without manual intervention. Observation efficiency improves not only because of quick exchanges, scheduled or emergency, but also because of increased flexibility in selecting an optimum instrument for weather conditions or observation goals. Reliable and safer instrument exchanges are achieved by the precision mechanical positioning system (less than 0.5 mm) and an automatic connector system for electrical cables, optical fibers and fluid lines. Instrument down time due to connector/cable failure by human error is eliminated. Interfaces to the telescope flange are standardized for all five Cassegrain instruments (approximately 2000 kgf each) currently in use or under preparation.

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