The Ultraluminous X-Ray Sources NGC 1313 X-1 and X-2: A Broadband Study with NuSTAR and XMM-Newton

@article{Bachetti2013TheUX,
  title={The Ultraluminous X-Ray Sources NGC 1313 X-1 and X-2: A Broadband Study with NuSTAR and XMM-Newton},
  author={M. Bachetti and V. Rana and D. Walton and D. Barret and F. Harrison and S. Boggs and F. Christensen and W. Craig and A. Fabian and F. Furst and B. Grefenstette and C. Hailey and A. Hornschemeier and K. Madsen and J. Miller and A. Ptak and D. Stern and N. Webb and W. Zhang},
  journal={The Astrophysical Journal},
  year={2013},
  volume={778},
  pages={163}
}
We present the results of NuSTAR and XMM-Newton observations of the two ultraluminous X-ray sources: NGC 1313 X-1 and X-2. The combined spectral bandpass of the two satellites enables us to produce the first spectrum of X-1 between 0.3 and 30 keV, while X-2 is not significantly detected by NuSTAR above 10 keV. The NuSTAR data demonstrate that X-1 has a clear cutoff above 10 keV, whose presence was only marginally detectable with previous X-ray observations. This cutoff rules out the… Expand
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