4 citations · 4 across the 3 of their papers we have counts for
3 papers
astro-ph2000
ROSAC: Studying the clustering properties of X-ray selected AGNs
F. Tesch, F. J. Carrera, D. Engels +6
We present the first ROSAC results of an AGN clustering analysis. This study comprises a sample of 200 AGNs, 75% of which being at low redshifts z<0.5, in the Ursa Major constellat…
astro-ph2000★ 4 cited
Detection of the first X-ray selected large AGN group
F. Tesch, D. Engels
We have examined the spatial distribution of 856 AGN detected by the ROSAT All-Sky Survey (RASS) using a direct search for structures with the minimal spanning tree. The AGNs were…
astro-ph1998
Large-scale structures in the distribution of X-ray selected AGN
D. Engels, F. Tesch, C. Ledoux +5
We are searching for large-scale structures in the distribution of AGN discovered by the ROSAT All-Sky Survey. The RASS detected > 60000 X-ray objects, of which approximately 35% a…