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Optical identifications of five INTEGRAL hard X-ray sources in the Galactic plane

Bikmaev, I. F.; Sunyaev, R. A.; Sakhibullin, N. A. +4 more

The results of optical identifications of five hard X-ray sources in the Galactic plane from the INTEGRAL all-sky survey are presented. The X-ray data on one source (IGR J20216+4359) are published for the first time. The optical observations were performed with the 1.5-m RTT-150 telescope (Turkish National Observatory, Antalya, Turkey) and the 6-m…

New active galactic nuclei among the INTEGRAL and SWIFT X-ray sources

Bikmaev, I. F.; Sunyaev, R. A.; Sazonov, S. Yu. +4 more

We present the results of our optical identifications of a set of X-ray sources from the INTEGRAL and SWIFT all-sky surveys. The optical data have been obtained with the 1.5-m Russian-Turkish Telescope (RTT-150). Nine X-ray sources have been identified with active galactic nuclei (AGNs). Two of them are located in the nearby spiral galaxies MCG-01…