/ftp/cats/ii/290



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II/290            SWIRE Photometric Redshift Catalogue   (Rowan-Robinson+, 2008)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
	finalcat.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=II/290
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Beginning of ReadMe : II/290 SWIRE Photometric Redshift Catalogue (Rowan-Robinson+, 2008) ================================================================================ Photometric redshifts in the SWIRE Survey. Rowan-Robinson M., Babbedge T., Oliver S., Trichas M., Berta S., Lonsdale C., Smith G., Shupe D., Surace J., Arnouts S., Ilbert O., Fevre O.L., Afonso-Luis A., Perez-Fournon I., Hatziminaoglou E., Polletta M., Farrah D., Vaccari M. <Mon. Not. R. Astron. Soc., 386, 697-714 (2008)> =2008MNRAS.386..697R ================================================================================ ADC_Keywords: Surveys ; Galaxies, IR ; Galaxies, photometry ; Redshifts Keywords: stars: formation - galaxies: evolution - galaxies: starburst - cosmology: observations - infrared: galaxies Abstract: We present the SWIRE Photometric Redshift Catalogue 1025119 redshifts of unprecedented reliability and of accuracy comparable with or better than previous work. Our methodology is based on fixed galaxy and quasi-stellar object templates applied to data at 0.36-4.5um, and on a set of four infrared emission templates fitted to infrared excess data at 3.6-170um. The galaxy templates are initially empirical, but are given greater physical validity by fitting star formation histories to them, which also allows us to estimate stellar masses. Description: The SWIRE Photometric Redshift Catalogue consists of 1025119 sources, split between the SWIRE fields as follows: EN1 (218117), EN2 (125364), Lockman (229238), SWIRE-VVDS (34630), SWIRE-SXDS (55432), XMM-LSS (excluding VVDS and SXDS) (212572), Chandra DFS (149766). It is available via IRSA and also at http://astro.ic.ac.uk/~mrr/swirephotzcat . The areas from the SWIRE Survey in which we have optical photometry and are able to derive photometric redshifts are as follows: (1) 8.72deg^2^ of ELAIS-N1, in which we have five-band (U'g'r'i'Z') photometry from the Wide Field Survey (WFS), (2) 4.84deg^2^ of ELAIS-N2, in which we have five-band (U'g'r'i'Z') photometry from the WFS, (3) 7.53deg^2^ of the Lockman Hole, in which we have 3-band photometry (g'r'i') from the SWIRE photometry program, with U-band photometry in 1.24deg^2^, (4) 4.56deg^2^ in Chandra Deep Field South (CDFS), in which we have 3-band (g'r'i') photometry from the SWIRE photometry program, (5) 6.97deg^2^ of XMM-LSS, in which we have five-band (UgriZ) photometry from Pierre et al. (2007, Cat. J/MNRAS/382/279). In addition within XMM we have 10-band photometry (ugrizUBVRI) from the VVDS program (0.7deg^2^), and very deep five-band photometry (BVRi'z') in 1.12deg^2^ of the Subaru XMM Deep Survey (SXDS).