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Confirmation of the effectiveness of sub-mm source redshift estimation based on rest-frame radio to FIR photometry | | I. Aretxaga
; D.H. Hughes
; J.S. Dunlop
; | | Date: |
1 Sep 2004 | | Journal: | Mon.Not.Roy.Astron.Soc. 358 (2005) 1240-1246 | | Subject: | astro-ph | | Affiliation: | INAOE, Tonantzintla, Mexico, Institute for Astronomy, Edinburgh, UK | | Abstract: | We present a comparison between the published optical, IR and CO spectroscopic redshifts of 15 (sub-)mm galaxies and their photometric redshifts as derived from long-wavelength (radio-mm-FIR) photometric data. The redshift accuracy measured for 12 sub-mm galaxies with at least one robustly-determined colour in the radio-mm-FIR regime is dz=0.30 (r.m.s.). Despite the wide range of spectral energy distributions in the local galaxies that are used in an un-biased manner as templates, this analysis demonstrates that photometric redshifts can be efficiently derived for sub-mm galaxies with a precision of dz < 0.5 using only the rest-frame FIR to radio wavelength data. | | Source: | arXiv, astro-ph/0409011 | | Services: | Forum | Review | PDF | Favorites | |
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