Deep radio imaging of 47 Tuc identifies the peculiar X-ray source X9 as a new black hole candidate

@article{MillerJones2015DeepRI,
  title={Deep radio imaging of 47 Tuc identifies the peculiar X-ray source X9 as a new black hole candidate},
  author={J. Miller-Jones and J. Strader and C. Heinke and T. Maccarone and M. Berg and C. Knigge and L. Chomiuk and E. Noyola and T. D. Russell and A. Seth and G. R. S. ICRAR-Curtin and M. State and Alberta. and Mpifr and T. Tech. and Amsterdam and H. CfA and Southampton and Ut Austin and Utah},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2015},
  volume={453},
  pages={3918-3931}
}
  • J. Miller-Jones, J. Strader, +17 authors Utah
  • Published 2015
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We report the detection of steady radio emission from the known X-ray source X9 in the globular cluster 47 Tuc. With a double-peaked C iv emission line in its ultraviolet spectrum providing a clear signature of accretion, this source had been previously classified as a cataclysmic variable. In deep ATCA (Australia Telescope Compact Array) imaging from 2010 and 2013, we identified a steady radio source at both 5.5 and 9.0 GHz, with a radio spectral index (defined as S??????) of ? = ?0.4 ± 0.4… CONTINUE READING
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