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2013•Data Archiving and Networked Services (DANS)Open access

Swift/XRT detects activity of the Galactic center transient GRS 1741-2853

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

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Abstract

During regular monitoring observations of the Galactic center with the Swift/XRT (Atel #5006; see link below), we detect a transient X-ray source located ~10 arcmin NW of Sgr A*. It is weakly detected at a 3-sigma level during a ~1.1 ks PC-mode observation performed on 2013 August 1, at a net count rate of ~5E-3 counts/s. Subsequent observations obtained on August 2 (~1.0 ks) show that the source brightened to ~1.5E-2 counts/s.

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What this paper is about

During regular monitoring observations of the Galactic center with the Swift/XRT (Atel #5006; see link below), we detect a transient X-ray source located ~10 arcmin NW of Sgr A*. It is weakly detected at a 3-sigma level during a ~1.1 ks PC-mode observation performed on 2013 August 1, at a net count rate of ~5E-3 counts/s. Subsequent observations obtained on August 2 (~1.0 ks) show that the source brightened to ~1.5E-2 counts/s.

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Available abstract

During regular monitoring observations of the Galactic center with the Swift/XRT (Atel #5006; see link below), we detect a transient X-ray source located ~10 arcmin NW of Sgr A*. It is weakly detected at a 3-sigma level during a ~1.1 ks PC-mode observation performed on 2013 August 1, at a net count rate of ~5E-3 counts/s. Subsequent observations obtained on August 2 (~1.0 ks) show that the source brightened to ~1.5E-2 counts/s.

Key concepts: Swift, Galactic Center, Physics, Transient (computer programming), Astrophysics, Center (category theory), Galaxy, Astronomy

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Swift/XRT detects activity of the Galactic center transient GRS 1741-2853 — Research Paper | ScholarLens