Optical and near-infrared properties of submillimetre galaxies in the GOODS-North field

Details Optical and near-infrared properties of submillimetre galaxies in the GOODS-North field Optical and near-infrared properties of submillimetre galaxies in the GOODS-North field

2004-11-16

arxiv.org/abs/astro-ph/0411472v1

Astronomy and Astrophysics

Astrophysics

5 pages, 4 eps figures. Proceeding for the conference "Starbursts: From 30 Doradus to Lyman Break Galaxies", held in Cambridge

Scientific paper

We investigate the photometric redshift distribution, colours and morphologies of a large sample of submillimetre sources in the GOODS-North region. With the depth achieved by the deep ACS images, optical counterparts have been found for all the radio-detected sub-mm sources, and we have used several techniques to identify counterparts to the radio-undetected sources. The sub-mm counterparts have a median photometric redshift, from optical and near-IR photometry, of 1.9. Our sample contains a much higher fraction of EROs than other sub-mm surveys, and larger angular sizes than the average galaxy at all redshifts. The sub-mm galaxy counterparts are consistent with massive star-forming galaxies at high redshift.

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