Variability of X-ray pulsars in a hard energy band observed with INTEGRAL

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dc.creatorLutovinov, A.
dc.creatorTsygankov, S.
dc.creatorRevnivtsev, M.
dc.creatorChernyakova, M.
dc.creatorBikmaev, I.
dc.creatorMolkov, S.
dc.creatorBurenin, R.
dc.creatorSakhibullin, N.
dc.date2004-07-16
dc.date.accessioned2026-07-07T02:14:02Z
dc.date.available2026-07-07T02:14:02Z
dc.descriptionWe present the first results of the observations of the X-ray pulsars LMC X-4, 4U0352+309 and EXO1722-363 performed with the INTEGRAL observatory. The LMC X-4 was investigated during the whole superorbital cycle ($\sim$30 days) and it was found that its period was not stable at this time scale. We detected a variable X-ray flux (18-60 keV) from the pulsar EXO1722-363, which could be connected with the orbital motion in the binary system. A more accurate position and the estimate of the orbital period for this source are reported. We also investigated a hard X-ray spectrum of 4U0352+309 (X Persei) measured with INTEGRAL and report the detection of the cyclotron absorption line at about 29 keV.
dc.description6 pages, 13 figures, Proceeding of the 5th INTEGRAL Workshop
dc.identifierhttps://arxiv.org/abs/astro-ph/0407350
dc.identifierhttp://arxiv.org/abs/astro-ph/0407350
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/7967
dc.subjectAstrophysics
dc.titleVariability of X-ray pulsars in a hard energy band observed with INTEGRAL
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