Final tests and commissioning of the UCL Echelle Spectrograph

Details Final tests and commissioning of the UCL Echelle Spectrograph Final tests and commissioning of the UCL Echelle Spectrograph

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1235..562d&link_type=abstract

IN: Instrumentation in astronomy VII; Proceedings of the Meeting, Tucson, AZ, Feb. 13-17, 1990 (A91-29601 11-35). Bellingham, WA

Astronomy and Astrophysics

Astronomy

19

Charge Coupled Devices, Echelle Gratings, Image Processing, Spectrographs, Design Analysis, Equipment Specifications, Pixels, Ray Tracing

Scientific paper

The optical design and performance of the UCLES echelle spectrograph, installed at the f/37.7 coude focus of the 3.9-m AAT in June 1988, are described and illustrated with extensive diagrams, drawings, photographs, and sample spectra. The UCLES operates at 300-1100 nm with resolution 30,000-115,000 and adjustable collimated beam size; it employs either 31.6-g/mm or 79-g/mm echelle gratings and a train of UV-transmitting fused-silica prisms for cross-dispersion. Also discussed are the focal modifier lenses; the Bowen-Walraven image slicer; the commissioning procedures; and preliminary observations of Zeta Oph, planetary nebulae, and Seyfert galaxies.

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