SCUBA-2, the Next Generation, Wide-Field Submillimetre Camera for the JCMT

Details SCUBA-2, the Next Generation, Wide-Field Submillimetre Camera for the JCMT SCUBA-2, the Next Generation, Wide-Field Submillimetre Camera for the JCMT

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001dms..conf...67r&link_type=abstract

DEEP MILLIMETER SURVEYS Implications for Galaxy Formation and Evolution. Held 19-21 June 2000 in University of Massachusetts, Am

Astronomy and Astrophysics

Astronomy

Scientific paper

Following on from the enormous success of SCUBA on the JCMT in totally revolutionizing submillimetre continuum astronomy, its successor, SCUBA-2 is now well into the development phase. SCUBA-2 will be a simultaneous dual-waveband, wide-field imager, having an unvignetted field-of-view of 64 arcminutes square, limited in sensitivity by the sky background alone, reaching the confusion limit in around an hour. SCUBA-2 will utilize an array of superconducting TES devices built by NIST and the University of Edinburgh. The array will be directly illuminated and the pixels will be half the diffraction spot diameter, requiring 25,600 pixels at 450 microns and 6,400 at 850 microns. This architecture will allow full diffraction resolution imaging without the need to jiggle the secondary mirror. SCUBA-2 passed its Conceptual Design Review in 1999 and the detector architecture downselect in May 2000, and has been enthusiastically supported by the JCMT user community, the JCMT Board and PPARC. The project is led by the prime contractors the UKATC, and, like SCUBA, involves close collaboration with QMW.

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