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2013•UvA-DARE (University of Amsterdam)Open access

Swift/XRT monitoring observations detect an active X-ray transient near the Galactic center

Nathalie Degenaar, Rudy A. D. Wijnands, Mark T. Reynolds, Jon M. Miller, J. A. Kennea, Neil A. Gehrels

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Abstract

We report on ongoing daily X-ray monitoring observations of the Galactic center with the Swift/XRT (ATel #5006; see link below). In addition to continued activity of the magnetar SGR J1745-29 (ATels #5009,#5016, #5020, #5032, #5037, #5046, #5053; Kennea et al. 2013; Mori et al. 2013), a transient X-ray source located ~1.5 arcmin south-east of Sgr A* has become active. This object is first detected during a ~1.0 ks PC mode observation performed on 2013 July 18, at a net count rate of ~1E-2 counts/s.

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What this paper is about

We report on ongoing daily X-ray monitoring observations of the Galactic center with the Swift/XRT (ATel #5006; see link below). In addition to continued activity of the magnetar SGR J1745-29 (ATels #5009,#5016, #5020, #5032, #5037, #5046, #5053; Kennea et al. 2013; Mori et al. 2013), a transient X-ray source located ~1.5 arcmin south-east of Sgr A* has become active. This object is first detected during a ~1.0 ks PC mode observation performed on 2013 July 18, at a net count rate of ~1E-2 counts/s.

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Available abstract

We report on ongoing daily X-ray monitoring observations of the Galactic center with the Swift/XRT (ATel #5006; see link below). In addition to continued activity of the magnetar SGR J1745-29 (ATels #5009,#5016, #5020, #5032, #5037, #5046, #5053; Kennea et al. 2013; Mori et al. 2013), a transient X-ray source located ~1.5 arcmin south-east of Sgr A* has become active. This object is first detected during a ~1.0 ks PC mode observation performed on 2013 July 18, at a net count rate of ~1E-2 counts/s.

Key concepts: Galactic Center, Physics, Magnetar, Swift, Astrophysics, Transient (computer programming), X-ray, Center (category theory)

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Swift/XRT monitoring observations detect an active X-ray transient near the Galactic center — Research Paper | ScholarLens