Quiescent NIR and optical counterparts to candidate black hole X-ray binaries

  title={Quiescent NIR and optical counterparts to candidate black hole X-ray binaries},
  author={K. M. L'opez and Peter G. Jonker and Manuel A P Torres and Marianne Heida and Arne Rau and D Steeghs},
  journal={Monthly Notices of the Royal Astronomical Society},
We present near-infrared and optical imaging of 15 candidate black hole X-ray binaries. In addition to quiescent observations for all sources, we also observed two of these sources (IGR J17451−3022 and XTE J1818−245) in outburst. We detect the quiescent counterpart for 12 out of 15 sources, and for the remaining 3, we report limiting magnitudes. The magnitudes of the detected counterparts range between K_s = 17.59 and K_s = 22.29 mag. We provide (limits on) the absolute magnitudes and finding… Expand

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