![]() Conflicting results have recently arisen regarding whether there is a flattening of the average spectral index between a low radio frequency (325 or 610 MHz) and 1.4 GHz at these faint flux densities. Understanding these faint radio source populations is essential for understanding galaxy evolution, and the link between AGN and star formation. At fainter flux densities, particularly into the microJansky regime, star-forming galaxies begin to dominate the radio source population. ![]() G.Īt the faintest radio flux densities (S1.4GHz 10 mJy) is well studied and is predominantly comprised of AGN. Spectral Index Properties of millijansky Radio Sources in ATLAS ![]()
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