Characterizing Radio Emission from Nearby LIRGs and ULIRGs

Details Characterizing Radio Emission from Nearby LIRGs and ULIRGs Characterizing Radio Emission from Nearby LIRGs and ULIRGs

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21942708r&link_type=abstract

American Astronomical Society, AAS Meeting #219, #427.08

Astronomy and Astrophysics

Astronomy

Scientific paper

We have used the Expanded Very Large Array (EVLA) to image 22 nearby luminous and ultraluminous infrared galaxies (LIRGs and ULIRGs) at high angular resolution across a wide frequency range. We observed both C-band (4-8 GHz) and Ka-band (26.5-40 GHz) emission from each target in all four configurations of the EVLA (A, B, C, and D). We present the first combined wide-band, all-configuration images of these targets. The unique frequency coverage and high angular resolution of our data allow a much deeper look at the deeply embedded star formation and active galactic nuclei (AGN) activity in these most luminous galaxies in the local universe. The data yield resolved spectral index measurements, high resolution maps of star formation, and fill in previously unexplored parts of the radio spectral energy distribution for these objects.

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