G10/COSMOS: 38 band (far-UV to far-IR) panchromatic photometry using LAMBDAR

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Abstract

We present a consistent total flux catalogue for a ~1 deg2 subset of the Cosmic Evolution Survey (COSMOS) region (RA ∈ [149.°55, 150.°65], Dec. ∈ [1.°80, 2.°73]) with near-complete coverage in 38 bands from the far-ultraviolet to the far-infrared.We produce aperture matched photometry for 128 304 objects with i < 24.5 in a manner that is equivalent to the Wright et al. catalogue from the low-redshift (z < 0.4) Galaxy and Mass Assembly (GAMA) survey. This catalogue is based on publicly available imaging from GALEX, Canada-France-Hawaii Telescope, Subaru,Visible and Infrared Survey Telescope forAstronomy, Spitzer and Herschel, contains a robust total flux measurement or upper limit for every object in every waveband and complements our re-reduction of publicly available spectra in the same region. We perform a number of consistency checks, demonstrating that our catalogue is comparable to existing data sets, including the recent COSMOS2015 catalogue. We also release an updated Davies et al. spectroscopic catalogue that folds in new spectroscopic and photometric redshift data sets. The catalogues are available for download at http://cutout.icrar.org/G10/dataRelease.php. Our analysis is optimised for both panchromatic analysis over the full wavelength range and for direct comparison to GAMA, thus permitting measurements of galaxy evolution for 0 < z < 1 while minimizing the systematic error resulting from disparate data reduction methods.

Original languageEnglish
Pages (from-to)1569-1590
Number of pages22
JournalMonthly Notices of the Royal Astronomical Society
Volume464
Issue number2
DOIs
Publication statusPublished - Jan 2017

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