3 papers
astro-ph2000
Shallow cores in the dark matter halos: self-interaction in action?
V. Avila-Reese, C. Firmani, E. D'Onghia +1
Using observational data for a sample of dark matter dominated galaxies and two cluster of galaxies, we have found that the central halo density does not depend on its mass, and th…
astro-ph1998
The Composite Luminosity Function of A496
Emilio Molinari, Guido Chincarini, Alberto Moretti +1
Deep photometric observations in three colours of the cluster A 496 show that the luminosity function is bimodal with a deep gap at g about 19.0. That is there is a net separation…
astro-ph1998
Scientific Report on Low Energy Absorption Features Detected by BeppoSAX LECS in Bright Blazar Targets
G. Fossati, F. Haardt
The apparency of low energy absorption features in Blazar LECS spectra has been reported during the early phase of the BeppoSAX mission (e.g. by Grandi et al. 1997 for 3C~273 SVP d…