The Pickering-Racine wedge with the triplet corrector at the ESO 3.6 M telescope

Details The Pickering-Racine wedge with the triplet corrector at the ESO 3.6 M telescope The Pickering-Racine wedge with the triplet corrector at the ESO 3.6 M telescope

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984msngr..36...10a&link_type=abstract

ESO Messenger (ISSN 0722-6691), June 1984, p. 10, 11.

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Applications

Telescopes, Field Of View, Globular Clusters, Mirrors, Photographic Plates, Wedges

Scientific paper

The physical set-up, capabilities and applications of a slightly deviated glass wedge at the entrance beam of the ESO 3.6 m telescope are described. The wedge produces a faint secondary image by the primary image of a bright star and thereby increases magnitude resolution on photographic plates. The 3.6 m instrument field diameter has been augmented to 1.0 deg by the addition of a triple corrector for the wedge, which can be automatically moved in and out of the picture and produces a 14 arcsec separation between the images with about a 4 mag difference. A sample plate is provided of the globular cluster 47 Tucanae.

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