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A new very faint X-ray transient in the Galactic center

Published online by Cambridge University Press:  22 May 2014

Simona Soldi
Affiliation:
AstroParticule et Cosmologie, Univ. Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, 10 rue A. Domon et L. Duquet, 75205 Paris Cedex 13, France email: [email protected]
Maïca Clavel
Affiliation:
AstroParticule et Cosmologie, Univ. Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, 10 rue A. Domon et L. Duquet, 75205 Paris Cedex 13, France email: [email protected] Service d'Astrophysique/IRFU/DSM, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
Andrea Goldwurm
Affiliation:
AstroParticule et Cosmologie, Univ. Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, 10 rue A. Domon et L. Duquet, 75205 Paris Cedex 13, France email: [email protected] Service d'Astrophysique/IRFU/DSM, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
Gabriele Ponti
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, D-85748, Garching bei München, Germany
Régis Terrier
Affiliation:
AstroParticule et Cosmologie, Univ. Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, 10 rue A. Domon et L. Duquet, 75205 Paris Cedex 13, France email: [email protected]
Guillaume Trap
Affiliation:
AstroParticule et Cosmologie, Univ. Paris Diderot, CNRS/IN2P3, CEA/Irfu, Observatoire de Paris, Sorbonne Paris Cité, 10 rue A. Domon et L. Duquet, 75205 Paris Cedex 13, France email: [email protected] Service d'Astrophysique/IRFU/DSM, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France Unité de physique, Palais de la découverte - Universcience, 75008 Paris, France
Jochen Greiner
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, D-85748, Garching bei München, Germany
Tobias Prinz
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, D-85748, Garching bei München, Germany
Arne Rau
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, D-85748, Garching bei München, Germany
Mathieu Servillat
Affiliation:
Service d'Astrophysique/IRFU/DSM, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
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Abstract

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A new X-ray transient, XMMU J174505.3-291445, has been detected within the 2012 XMM-Newton scan of the Galactic center. The short 4.7 ks flare, the highly absorbed X-ray spectrum and the relatively low luminosity of the event suggest the association of the source with either the class of very faint X-ray transients or that of supergiant fast X-ray transients. Further analysis, together with the identification of the possible infrared counterpart will help to unveil the true nature of XMMU J174505.3-291445.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2014 

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