2 papers
astro-ph2006★ 45 cited
Evidence for a large fraction of Compton-thick quasars at high redshift
Alejo Martinez-Sansigre, Steve Rawlings, David G. Bonfield +7
Using mid-infrared and radio selection criteria, we pre-select a sample of candidate high-redshift type-2 quasars in the Subaru XMM-Newton Deep Field (SXDF). To filter out starburs…
astro-ph2006
A new method of detecting high-redshift clusters
Caroline van Breukelen, Lee Clewley, David Bonfield
We present a new cluster-finding algorithm based on a combination of the Voronoi Tessellation and Friends-Of-Friends methods. The algorithm utilises probability distribution functi…