Paper
1 July 1990 CORAVEL
Francisco Diego, Roger F. Griffin, Juan Echevarria, Richard G. Bingham, David D. Walker
Author Affiliations +
Abstract
The optical design and operation of the Coravel direct-correlation spectrograph system used to measure stellar radial velocities at the University of Cambridge 36-inch telescope, are described. The optical layout of the Cambridge Coravel is similar to that of the Coravels at the Observatoire de Haute Provence and ESO, comprising an echelle grating and a prism cross-disperser working in double pass. Particular attention is given to the calibration and scanning systems, the collimator-echelle-camera assembly, the mask and mask holder, the microprocessor-controlled photomultiplier detection system, the control and user interface, and the observing procedure. Diagrams, photographs, and sample observational data are included.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Francisco Diego, Roger F. Griffin, Juan Echevarria, Richard G. Bingham, and David D. Walker "CORAVEL", Proc. SPIE 1235, Instrumentation in Astronomy VII, (1 July 1990); https://doi.org/10.1117/12.19129
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CITATIONS
Cited by 2 scholarly publications.
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KEYWORDS
Stars

Photomultipliers

Telescopes

Lamps

Astronomy

Glasses

Scanners

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