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Cambridge OH suppression instrument (COHSI): status after first commissioning run

1998; SPIE; Volume: 3354; Linguagem: Inglês

10.1117/12.317329

1996-756X

K. A. Ennico, Ian R. Parry, Matthew A. Kenworthy, Richard S. Ellis, C. D. Mackay, Martin G. Beckett, Alfonso Aragón‐Salamanca, Karl Glazebrook, J. Brinchmann, Jim M. Pritchard, Steve R. Medlen, François Piché, R. G. McMahon, Fausto Cortecchia,

Stellar, planetary, and galactic studies

COHSI was successfully commissioned at the United Kingdom IR Telescope on Mauna Kea during a seven night observing run which coincided with this conference. Here we briefly describe the instrument and give a preliminary report on its performance at this time. The suppression optics and masks worked extremely well and the instrument background was found to be very low.