6533b831fe1ef96bd12984fc

RESEARCH PRODUCT

X-ray spectroscopy of the high-mass X-ray binary 4U 1700-37

Mariano MéndezM. Van Der KlisLex KaperT. Di SalvoA. Van Der Meer

subject

PhysicsNuclear and High Energy PhysicsX-ray spectroscopyAstrophysics::High Energy Astrophysical PhenomenaX-ray binaryHigh massAstronomyAstrophysicsBinary systemX-ray pulsars cyclotron lineAtomic and Molecular Physics and Optics

description

We present the first results of a monitoring campaign of the high-mass X-ray binary system 4U 1700-37/HD 153919, carried out with XMM-Newton.We have observed the high-mass X-ray binary (HMXB) 4U 1700-37 with XMM-Newton at four orbital phases in February 2001. 4U 1700-37 is powered by the dense stellar wind of the O supergiant HD 153919. Numerous X-ray flares are observed with a typical duration, of the order of half an hour. We focus on three intervals in which the data are not affected by pile up: the eclipse, the eclipse egress and a low-flux part around orbital phase ϕ ~ 0.28.

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