SRG/ART-XC Discovery of Pulsations from RX J0535.0-6700: Another X-ray Pulsar in the LMC

被引:0
作者
Mereminskiy, I. A. [1 ]
Gorban, A. S. [1 ,2 ]
Klein, Yu. S. [1 ,2 ]
Ushakova, E. A. [1 ,2 ]
Semena, A. N. [1 ]
Lutovinov, A. A. [1 ]
Tkachenko, A. Yu. [1 ]
Molkov, S. V. [1 ]
机构
[1] Russian Acad Sci, Space Res Inst, Profsoyuznaya Str 84-32, Moscow 117997, Russia
[2] Natl Res Univ Higher Sch Econ, Pokrovsky Bulvar 11, Moscow 109028, Russia
来源
ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 2025年 / 51卷 / 01期
关键词
X-rays: binaries; accretion; accretion disks; MAGELLANIC-CLOUD; BINARIES; EMISSION; POPULATION;
D O I
10.1134/S1063773725700197
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Using the Mikhail Pavlinsky ART-XC onboard the SRG observatory we have detected, for the first time, X-ray pulsations with a period of similar or equal to 106s from the poorly-studied high-mass X-ray binary RX J0535.0-6700 located in the Large Magellanic Cloud (LMC), thus proving that the accretor is a neutron star with stong magnetic field. Pulsations with similar period were also found in archival archival data from Chandra and XMM-Newton telescopes. Using photometry from WISE we shown that the source demonstrate significant variability in IR during the last twenty years, which could be caused by a secular evolution of the decretion disk. This discovery makes RX J0535.0-6700 another member of the large family of X-ray pulsars with Be-type companions in the LMC.
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页码:1 / 8
页数:8
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