3 papers
astro-ph2001
Optical identification of sources from the HELLAS2XMM survey
F. Fiore, G. Matt, F. La Franca +10
We present preliminary results on the optical identifications of sources from the High Energy Large Area Survey performed with XMM-Newton (HELLAS2XMM). This survey covers about 3 s…
astro-ph1997
BeppoSAX observations of Narrow-Line Seyfert 1 galaxies:I. Ton S 180
A. Comastri, F. Fiore, M. Guainazzi +10
We report on the first spectrum up to 10 keV of the bright narrow-line Seyfert 1 galaxy Ton S 180, obtained with the imaging instruments onboard BeppoSAX. This is the first observe…
astro-ph1997
Evidence for a late-time outburst of the X-ray afterglow of GB970508 from BeppoSAX
L. Piro, L. Amati, L. A. Antonelli +15
The gamma-ray burst GB970508 was observed simultaneously by the Gamma Ray Burst Monitor (GRBM) and one of the X-ray Wide Field Cameras (WFC) aboard BeppoSAX. The latter provided a…