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2012•UvA-DARE (University of Amsterdam)Open access

Renewed activity of the galactic center X-ray transient XMM J174457-2850.3 detected with Swift/XRT

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

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Abstract

Regular monitoring observations of the Galactic center with Swift's X-ray Telescope (XRT) have revealed renewed activity of the X-ray transient XMM J174457-2850.3 (Sakano et al. 2005). The source is first detected during a ~1.1 ks photon counting (PC) mode observation performed on 2012 August 5, at a count rate of ~1E-2 counts s-1. In the subsequent PC mode observation obtained on August 8 (~1.0 ks), its intensity has increased to ~0.1 counts s-1.

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What this paper is about

Regular monitoring observations of the Galactic center with Swift's X-ray Telescope (XRT) have revealed renewed activity of the X-ray transient XMM J174457-2850.3 (Sakano et al. 2005). The source is first detected during a ~1.1 ks photon counting (PC) mode observation performed on 2012 August 5, at a count rate of ~1E-2 counts s-1. In the subsequent PC mode observation obtained on August 8 (~1.0 ks), its intensity has increased to ~0.1 counts s-1.

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Available abstract

Regular monitoring observations of the Galactic center with Swift's X-ray Telescope (XRT) have revealed renewed activity of the X-ray transient XMM J174457-2850.3 (Sakano et al. 2005). The source is first detected during a ~1.1 ks photon counting (PC) mode observation performed on 2012 August 5, at a count rate of ~1E-2 counts s-1. In the subsequent PC mode observation obtained on August 8 (~1.0 ks), its intensity has increased to ~0.1 counts s-1.

Key concepts: Swift, Galactic Center, Physics, Astrophysics, Transient (computer programming), X-ray, Telescope, X-ray transient

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