Identification of four X-ray sources from the INTEGRAL and Swift catalogs

被引：6

作者：

Lutovinov, A. A. ^{[1
]}

Mironov, A. I. ^{[1
,2
]}

Burenin, R. A. ^{[1
]}

Revnivtsev, M. G. ^{[1
]}

Tsygankov, S. S. ^{[1
,3
,4
]}

Pavlinsky, M. N. ^{[1
]}

Korobtsev, I. V. ^{[5
]}

Eselevich, M. V. ^{[5
]}

机构：

[1] Russian Acad Sci, Space Res Inst, Moscow 117997, Russia

[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Obl, Russia

[3] Univ Turku, Finnish Ctr Astron ESO FINCA, Piikkio, Finland

[4] Univ Oulu, Dept Phys, Astron Div, SF-90100 Oulu, Finland

[5] Russian Acad Sci, Siberian Branch, Inst Solar Terr Phys, Irkutsk 664033, Russia

来源：

ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 2013年 / 39卷 / 08期

基金：

俄罗斯基础研究基金会;

关键词：

X-ray sources; active galactic nuclei; X-ray binaries; OPTICAL-IDENTIFICATION; CHANDRA LOCALIZATIONS; SPECTRA; PULSARS;

D O I：

10.1134/S1063773713080069

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 recordedX-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 similar to 46.674 s that is a member of a high-mass X-ray binary 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.

引用

页码：513 / 522

页数：10

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