Identification of Four X-ray Sources from the INTEGRAL and Swift Catalogs

Abstract

Four hard X-ray sources from the INTEGRAL and Swift catalogs have been identified. X-ray and optical spectra have been obtained for each of the objects being studied by using data from the INTEGRAL, Swift, ROSAT, and Chandra X-ray observatories as well as observations with the RTT-150 and AZT-33IK optical telescopes. Two sources (SWIFT J1553.6+2606 and SWIFT J1852.2+8424) are shown to be extragalactic in nature: the first is a quasar, while the registered X-ray flux from the second is the total emission from two Seyfert 1 galaxies at redshifts 0.1828 and 0.2249. The source IGR J22534+6243 resides in our Galaxy and is an X-ray pulsar with a period of ~46.674 s that is a member of a high-mass X-ray binary, probably with a Be star. The nature of yet another Galactic source, SWIFT J1852.8+3002, is not completely clear and infrared spectroscopy is needed to establish it.

arXiv comment11 pages, 6 figures, will be publihsed in Astronomy Letters, V.39, N8, pp.513-522

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Cited by in corpus (5)

• High-Mass X-ray Binaries in the Milky Way: A closer look with INTEGRAL
• INTEGRAL/IBIS 17-yr hard X-ray all-sky survey
• New hard X-ray sources discovered in the ongoing INTEGRAL Galactic Plane survey after 14 years of observations
• 15 years of Galactic surveys and hard X-ray Background measurements
• A deep $XMM-Newton$ observation of the X-Persei-like binary system CXOU J225355.1+624336