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BeppoSAX Observation of NGC 7582: Constraints on the X-ray absorber
T. J. Turner, G. C. Perola, F. Fiore +4
This paper presents a BeppoSAX observation of NGC 7582 made during 1998 November and an optical spectrum taken in 1998 October. The new X-ray data reveal a previously unknown hard…
Broad band spectral properties of Seyfert 1 galaxies observed with BeppoSAX
L. Piro, A. De Rosa, M. Dadina +8
We will present some results on the broad--band observations of BeppoSAX of the bright Seyfert galaxies NGC 4151 and NGC 5548.
BeppoSAX unveils the nuclear component in NGC 6240
P. Vignati, S. Molendi, G. Matt +10
The direct nuclear X-ray emission of the ultraluminous IRAS galaxy NGC 6240 has been observed for the first time by BeppoSAX. It is seen through an absorber with N_H=2*10^{24} cm^{…
Iron line signatures in X-ray afterglows of GRB by BeppoSAX
L. Piro, E. Costa, M. Feroci +12
We report the possible detection (99.3% of statistical significance) of redshifted Fe iron line emission in the X-ray afterglow of Gamma-ray burst GRB970508 observed by BeppoSAX. I…
The BeppoSAX view of the hard X-ray background
A. Comastri, F. Fiore, P. Giommi +5
First results on a medium-deep X-ray survey in the "new" 5-10 keV band carried out with the MECS detectors onboard BeppoSAX are presented. The High Energy Llarge Area Survey (HELLA…
The X-ray afterglow of the Gamma-ray burst of May 8, 1997: spectral variability and possible evidence of an iron line
L. Piro, E. Costa, M. Feroci +11
We report the possible detection (99.3% of statistical significance) of redshifted Fe iron line emission in the X-ray afterglow of Gamma-ray burst GRB970508 observed by BeppoSAX. I…
BeppoSAX Observations of the Radio Galaxy Centaurus A
P. Grandi, C. M. Urry, L. Maraschi
We present preliminary results from two observations of the radio galaxy Centaurus A performed by the BeppoSAX satellite. We did not detect any spectral variation of the nuclear co…