activity
19952008
most citedThe observed ionization rate of the intergalactic medium and the ionizing emissivity at z >5: Evidence for a photon starved and extended epoch of reionization

353 citations · 2.5k across the 20 of their papers we have counts for

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Showing 1999Show all

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astro-ph1999

The formation and evolution of supermassive black holes and their host galaxies

Martin G. Haehnelt, Guinevere Kauffmann

We discuss constraints on the assembly history of supermassive black holes from the observed remnant black holes in nearby galaxies and from the emission caused by accretion onto t…