First detections of FIRBACK sources with SCUBA

Douglas Scott; Guilaine Lagache; Colin Borys; Scott C. Chapman; Mark Halpern; Anna Sajina; Paolo Ciliegi; David L. Clements; Herve Dole; Sebastian Oliver; Jean-Loup Puget; William T. Reach; Michael Rowan-Robinson

arXiv · astro-ph/9910428

First detections of FIRBACK sources with SCUBA

Douglas Scott·Guilaine Lagache·Colin Borys·Scott C. Chapman·Mark Halpern·Anna Sajina·Paolo Ciliegi·David L. Clements·Herve Dole·Sebastian Oliver·Jean-Loup Puget·William T. Reach·Michael Rowan-Robinson

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Abstract

The FIRBACK (Far InfraRed BACKground) survey represents the deepest extensive 170 micron images obtained by the ISO satellite. The sources detected comprise about 10% of the Cosmic IR Background (CIB) seen by COBE, and, importantly, were observed at a wavelength near the peak of the CIB. Detailed follow-up of these sources should help pin down the redshifts, Hubble types, and other properties of the galaxies which constitute this background. We have used the Submillimetre Common-User Bolometer Array (SCUBA) instrument on the James Clerk Maxwell Telescope (JCMT) to search for sub-mm emission from a sample of 10 galaxies which are bright at 170 microns and for which we had accurate radio positions. Statistically we detect this sample at both 450 microns (~4 sigma) and 850 microns (~ 7 sigma); individual objects are convincingly detected in four cases at 850 microns, and one case at 450 microns. Fits to simple spectral energy distributions suggest a range of low to moderate redshifts, perhaps z=0 to 1.5 for this FIRBACK sub-sample.

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Douglas Scott, Guilaine Lagache, Colin Borys, Scott C. Chapman, Mark Halpern, Anna Sajina, Paolo Ciliegi, David L. Clements, Herve Dole, Sebastian Oliver, Jean-Loup Puget, William T. Reach, Michael Rowan-Robinson. 2000-03-16. First detections of FIRBACK sources with SCUBA. https://arxiv.org/abs/astro-ph/9910428

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