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

A.A.Lutovinov (1) , A.I.Mironov (1 , 2) , R.A.Burenin (1) , M.G.Revnivtsev (1) , S.S.Tsygankov (3 , 4 , 1)

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M.N.Pavlinsky (1) I.V.Korobtsev (5) M.V.Eselevich (5) (1 - Space Research Institute Moscow Russia 2 - Moscow Institute of Physics Technology Dolgoprudnyi Moscow reg. 3 - FINCA University of Turku Finland 4 - Astronomy Division University of Oulu 5 - Institute for Solar-Terrestrial Physics Irkutsk Russia)

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classification 🌌 astro-ph.HE

keywords x-rayswiftintegralsourcesbeencatalogsfourj1852

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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.

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

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