Top Page   Program   Registration   Participants   Visitor Guide   Accommodation

Super-deblended far-IR to mm photometry in the COSMOS field: catalog and selection of very high redshift candidates

Shuowen JIN
(CEA Saclay)

We present a highly deblended IR catalog in the COSMOS 2-square degree field, to be released for collaborative use within the COSMOS team before the Kyoto meeting. We have been using PSF fitting at the position of a highly complete set of priors selected in the radio (in collaboration with Smolcic/Schinnerer), Spitzer 24um and in stellar mass. We perform 'active' removal of non-relevant priors at each band using SED fitting and redshift information, subtracting the flux of hopelessly faint priors from the maps and fitting the rest. Our photometry has well behaved Gaussian-like uncertainties calibrated from MonteCarlo simulations. This catalog includes photometry from Spitzer, Herschel, SCUBA2, AzTEC, MAMBO and VLA 3GHz, ~88K galaxies with 24um and/or radio detections and ~15K galaxies with Herschel and/or SCUBA2 detection. Among many ongoing applications, we have been using this catalog to select reliable FIR galaxy candidates at z~7, of which we are trying to pursue the redshift confirmation with NOEMA and ALMA.


Top Page   Program   Registration   Participants   Visitor Guide   Accommodation