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astro-ph2000
Euler, Hipparcos and the five dwarfs : Reconstructing star formation histories in the Local Group
David Valls-Gabaud, Xavier Hernandez, Gerry Gilmore
The unprecedented quality of recent colour-magnitude diagrams of resolved stellar populations in nearby galaxies requires state-of-the-art techniques to infer the star formation hi…
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…