Searching for fast extragalactic X-ray transients in Chandra surveys

@article{Yang2019SearchingFF,
  title={Searching for fast extragalactic X-ray transients in Chandra surveys},
  author={G. Yang and W. N. Brandt and S. Zhu and F. Bauer and B. Luo and Y. Xue and X. Zheng},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2019},
  volume={487},
  pages={4721-4736}
}
  • G. Yang, W. N. Brandt, +4 authors X. Zheng
  • Published 2019
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • Recent works have discovered two fast ($\approx 10$ ks) extragalactic X-ray transients in the Chandra Deep Field-South (CDF-S XT1 and XT2). These findings suggest that a large population of similar extragalactic transients might exist in archival X-ray observations. We develop a method that can effectively detect such transients in a single Chandra exposure, and systematically apply it to Chandra surveys of CDF-S, CDF-N, DEEP2, UDS, COSMOS, and E-CDF-S, totaling 19~Ms of exposure. We find 13… CONTINUE READING
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