A SCUBA Scanmap of the HDF: Measuring the bright end of the sub-mm source counts

Details A SCUBA Scanmap of the HDF: Measuring the bright end of the sub-mm source counts A SCUBA Scanmap of the HDF: Measuring the bright end of the sub-mm source counts

2001-07-26

arxiv.org/abs/astro-ph/0107515v2

Mon.Not.Roy.Astron.Soc. 330 (2002) L63

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figures, Accepted for publication in MNRAS

Scientific paper

10.1046/j.1365-8711.2002.05347.x

Using the 850 micron SCUBA camera on the JCMT and a scanning technique different from other sub-mm surveys, we have obtained a 125 square arcminute map centered on the Hubble Deep Field. The one-sigma sensitivity to point sources is roughly 3 mJy and thus our map probes the brighter end of the sub-mm source counts. We find 6 sources with a flux greater than about 12 mJy (>4 sigma) and, after a careful accounting of incompleteness and flux bias, estimate the integrated density of bright sources N(>12 mJy)= 164 (+77/-58) per square degree (68 per cent confidence bounds).

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