Las Cumbres Observatory 1-Meter Global Science Telescope Network

Details Las Cumbres Observatory 1-Meter Global Science Telescope Network Las Cumbres Observatory 1-Meter Global Science Telescope Network

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21440913p&link_type=abstract

American Astronomical Society, AAS Meeting #214, #409.13; Bulletin of the American Astronomical Society, Vol. 41, p.673

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Scientific paper

We present the optical, mechanical and electronic design of the LCOGT 1-m telescope.
These telescopes are planned to go in pairs to each of 6 sites worldwide, complementing 0.4m telescopes and 2-m telescopes at two existing sites.
This science network is designed to provide continuously available photometric monitoring and spectroscopy of variable sources.
The 1-m optical design is an f/8 quasi-RC system, with a doublet corrector and field flattener to provide good image quality out to 0.8 degrees. The field of view of the Fairchild 4K science CCD is 27 arcmin, with 0.39 arcsec pixels.
The mechanical design includes a stiff C-ring equatorial mount and friction drive rollers, mounted on a triangular base that can be adjusted for latitude. Another friction drive is coupled at the Declination axis to the M1 mirror cell, that forms the main Optical Tube Assembly (OTA) structural element.
The OTA design includes a stiff carbon fiber truss assembly, with offset vanes to an M2 drive that provides remote focus, tilt and collimation. The tube assembly weighs about 600 Kg, including Hextek mirrors, 4K science CCD, filter wheel, autoguiders and medium resolution spectrograph pick-off fiber.
The telescopes will be housed in domes at existing observatory sites. They are designed to operate remotely and reliably under centralized control for automatic, optimized scheduling of observations with available hardware.

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