The 1.4-GHz radio properties of hard X-ray-selected AGN
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Panessa, Francesca
Tarchi, Andrea
Castangia, P
Maiorano, E
Bassani, Loredana
Bicknell, Geoffrey
Bazzano, Angela
Bird, A
Malizia, A
Ubertini, P
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Blackwell Publishing Ltd
Abstract
We have analysed the NRAO Very Large Array Sky Survey and Sydney University Molonglo Sky Survey data at 1.4 GHz and 843 MHz for a well-defined complete sample of hard X-ray AGN observed by INTEGRAL. A large number (70/79) of sources are detected in the radio band, showing a wide range of radio morphologies, from unresolved or slightly resolved cores to extended emission over several hundreds of kpc scales. The radio fluxes have been correlated with the 2-10 keV and 20-100 keV emission, revealing significant correlations with slopes consistent with those expected for radiatively efficient accreting systems. The high-energy emission coming from the inner accretion regions correlates with the radio emission averaged over hundreds of kpc scales (i.e. thousands of years).
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Monthly Notices of the Royal Astronomical Society
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Open Access
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