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Study of the Cir X--1 Broad Band Spectrum at Orbital Phases Close to the Apoastron
R. Iaria, T. Di Salvo, N. R. Robba +1
We report on the results of a BeppoSAX (1.8--200 keV) observation of the peculiar X-ray binary source Circinus X--1 (Cir X--1) at the orbital phases between 0.61 and 0.63. We find…
The BeppoSAX 0.1 - 100 keV Spectrum of the X-ray Pulsar 4U 1538-52
N. R. Robba, L. Burderi, T. Di Salvo +2
We report the results of temporal and spectral analysis performed on the X-ray pulsar 4U 1538-52 observed by BeppoSAX. We obtained a new estimate of the spin period of the neutron…
Partially Absorbed Comptonization Spectrum from the Nearly Edge-on Source X 1822-371
R. Iaria, T. Di Salvo, L. Burderi +1
We report the results of a spectral analysis over the range 0.1-200 keV performed on the dipping source X 1822-371 observed by BeppoSAX. We find the best fit to the continuum using…
The 0.1-100 keV Spectrum of LMC X-4 in the High State: Evidence for a High Energy Cyclotron Absorption Line
A. La Barbera, L. Burderi, T. Di Salvo +2
We report on the spectral analysis of the X-ray pulsar LMC X-4 in its high state out of eclipse observed by BeppoSAX. During this observation no coherent pulsations are detected. T…