A SCUBA scan-map of the Hubble Deep Field: measuring the bright end of the submillimetre source counts |
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Authors: | ColinBorys Scott CChapman MarkHalpern DouglasScott |
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Institution: | 1Department of Physics and Astronomy, University of British Columbia, Vancouver, BC, Canada V6T 1Z1; 2California Institute of Technology, Pasadena, CA 91125, USA |
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Abstract: | Using the 850-μm SCUBA camera on the JCMT and a scanning technique different from other sub-mm surveys, we have obtained a 125 arcmin2 map centred on the Hubble Deep Field . The 1 σ sensitivity to point sources is roughly 3 mJy and thus our map probes the brighter end of the sub-mm source counts. We find six sources with a flux greater than about 12 mJy (>4 σ ) and, after a careful accounting of incompleteness and flux bias, estimate the integrated density of bright sources (68 per cent confidence bounds). |
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Keywords: | methods: data analysis galaxies: statistics infrared: galaxies |
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