A closer view of the radio-FIR correlation: disentangling the contributions of star formation and AGN activity

Details A closer view of the radio-FIR correlation: disentangling the contributions of star formation and AGN activity A closer view of the radio-FIR correlation: disentangling the contributions of star formation and AGN activity

2010-10-03

arxiv.org/abs/1010.0435v2

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

22 pages, 12 figures, 2 tables. Accepted for publication in ApJ

Scientific paper

We extend the Unified Radio Catalog, a catalog of sources detected by various (NVSS, FIRST, WENSS, GB6) radio surveys, and SDSS, to IR wavelengths by matching it to the IRAS Point and Faint Source catalogs. By fitting each NVSS-selected galaxy's NUV-NIR spectral energy distribution (SED) with stellar population synthesis models we add to the catalog star formation rates, stellar masses, and attenuations.We further add information about optical emission line properties for NVSS-selected galaxies with available SDSS spectroscopy. Using an NVSS 20cm (F_{1.4GHz} ge 2.5mJy) selected sample, matched to the SDSS spectroscopic ("main" galaxy and quasar) catalogs and IRAS data (0.04

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