2 papers
astro-ph2002
Source Detection in Simulated XMM-Newton Observations
Jesper Rasmussen, Kristian Pedersen, Martin Gotz
We present preliminary results from our on-going study: Comparing and optimizing source detection procedures for XMM images. By constructing realistic spatial and spectral source d…
astro-ph1995
Gravitational collisions in cosmological N-body codes
Ivar Suisalu, Enn Saar
We study the accumulation of errors in cosmological N-body algorithms that are caused by representing the continuous distribution of matter by massive particles, comparing the PPPM…