A transient sub-Eddington black hole X-ray binary candidate in the dust lanes of Centaurus A

@article{Burke2012ATS,
  title={A transient sub-Eddington black hole X-ray binary candidate in the dust lanes of Centaurus A},
  author={Mark J. Burke and Somak Raychaudhury and Ralph P. Kraft and Nicola J. Brassington and Martin J. Hardcastle and Joanna L Goodger and Gregory R. Sivakoff and William R. Forman and Christine Jones and Kristin A. Woodley and Stephen S. Murray and Jouni Kainulainen and Mark Birkinshaw and Judith H. Croston and Daniel A. Evans and Marat Gilfanov and Andr{\'e}s Jord{\'a}n and Craig L. Sarazin and Rasmus Voss and Diana M. Worrall and Zhongli Zhang},
  journal={The Astrophysical Journal},
  year={2012},
  volume={749},
  pages={112}
}
We report the discovery of a bright X-ray transient CXOU J132527.6–430023 in the nearby early-type galaxy NGC 5128. The source was first detected over the course of five Chandra observations in 2007, reaching an unabsorbed outburst luminosity of (1-2) × 1038 erg s–1 in the 0.5-7.0 keV band before returning to quiescence. Such luminosities are possible for both stellar-mass black hole and neutron star (NS) X-ray binary transients. Here, we attempt to characterize the nature of the compact object… 

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