SCUBA - A submillimetre camera operating on the James Clerk Maxwell Telescope

Details SCUBA - A submillimetre camera operating on the James Clerk Maxwell Telescope SCUBA - A submillimetre camera operating on the James Clerk Maxwell Telescope

1998-09-10

arxiv.org/abs/astro-ph/9809121v1

Astronomy and Astrophysics

Astrophysics

14 pages, 13 figures (1 JPEG), Proc SPIE vol 3357

Scientific paper

10.1117/12.317366

The Submillimetre Common-User Bolometer Array (SCUBA) is one of a new generation of cameras designed to operate in the submillimetre waveband. The instrument has a wide wavelength range covering all the atmospheric transmission windows between 300 and 2000 microns. In the heart of the instrument are two arrays of bolometers optimised for the short (350/450 microns) and long (750/850 microns) wavelength ends of the submillimetre spectrum. The two arrays can be used simultaneously, giving a unique dual-wavelength capability, and have a 2.3 arc-minute field of view on the sky. Background-limited performance is achieved by cooling the arrays to below 100 mK. SCUBA has now been in active service for over a year, and has already made substantial breakthroughs in many areas of astronomy. In this paper we present an overview of the performance of SCUBA during the commissioning phase on the James Clerk Maxwell Telescope (JCMT).

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