Some News about the Coude Spectrograph of the ESO 1.52-M Telescope

Details Some News about the Coude Spectrograph of the ESO 1.52-M Telescope Some News about the Coude Spectrograph of the ESO 1.52-M Telescope

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983msngr..32...28g&link_type=abstract

The Messenger, No. 32:JUN, P.26, 1983

Computer Science

Scientific paper

The coude spectrograph was installed at La Silla early in 1969; the first reference spectra were obtained in May 1969. Since the beginning of the routine observations, several thousands of spectra have been taken, 8,127 with camera 1 at 20.1 or 31.3 Almm-1, 12,913 with camera 2 at 12.3 or 19.4 A/ mm^-1 and 2,058 with camera 3 at 2.6, 3.3 or 5.1 A/mm^-1 . After 14 years of often heavy duty, it appeared necessary to do a careful overhaul of the spectrograph. Some significant improvements were done during this 14-year period, but some important components had not been touched during a very long time, for instance the two closed cameras 1 and 2. The overhaul was done between August 1982 and February 1983 under the supervision of P. Giordano and with the help of B. Buzzoni. A. Torrej6n, E. Araya and J. Perez actively participated in the focussing phase and P. Alvarez and J. Torres, from the workshop, in the mechanical phase.

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