6533b820fe1ef96bd127a520

RESEARCH PRODUCT

BeppoSAX observations of EXO 0531-66 in outburst and X persei

N. R. RobbaV. La ParolaT. Di SalvoA. La BarberaLuciano Burderi

subject

PhysicsNuclear and High Energy PhysicsAstrophysics::High Energy Astrophysical PhenomenaAstrophysics::Solar and Stellar AstrophysicsAstronomySpectral analysisAstrophysicsAtomic and Molecular Physics and OpticsBand spectrum

description

Abstract We report temporal and spectral analysis of two Be/X-ray systems observed by the BeppoSAX NFI. EXO 0531-66 was in outburst during the BeppoSAX observation: it is not a well known source because it is not detectable during the low states and the outbursts are unforeseeable and at temporal distances of years. X Persei is a well known source, but the band spectrum, obtained for the first time from the BeppoSAX observation, revealed an unexpected complexity.

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