Upgrading of the ESO 1.52-m telescope

Details Upgrading of the ESO 1.52-m telescope Upgrading of the ESO 1.52-m telescope

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987msngr..49...18a&link_type=abstract

ESO Messenger (ISSN 0722-6691), Sept. 1987, v. 49, p. 18,19.

Physics

Optics

Astronomical Photometry, Astronomical Spectroscopy, Telescopes, Technology Utilization, User Requirements

Scientific paper

The instrumentation of the ESO 1.52-m telescope consists of the coudespectrograph, a Boller and Chivens spectrograph for the Cassegrain focus, and an echelle spectrograph. This paper discusses the upgrading of this telescope planned for the near feature. The following features are considered for installation at the telescope: (1) new servomotor drives at both axes; (2) a high resolution encoder with an absolute position read-out feature; (3) an automatic guiding system for Cassegrain observing and, possibly, coude; and (4) a cabling twist system, to be incorporated after the telescope and instrumentation cabling will be renewed. Finally, a new control room will be installed at the floor below the telescope. The optics of the Boller and Chivens spectrograph will be improved in order to overcome the geometrical aberrations. It is also planned to reactivate the echelle spectrograph with a CCD detector.

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