CK Vul: evolving nebula and three curious background stars

@article{Hajduk2013CKVE,
  title={CK Vul: evolving nebula and three curious background stars},
  author={M. Hajduk and P. Hoof and A. Zijlstra},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2013},
  volume={432},
  pages={167-175}
}
We analyse the remnants of CK Vul (Nova Vul 1670) using optical imaging and spectroscopy. The imaging, obtained between 1991 and 2010, spans 5.6% of the life-time of the nebula. The flux of the nebula decreased during the last 2 decades. The central source still maintains the ionization of the innermost part of the nebula, but recombination proceeds in more distant parts of the nebula. Surprisingly, we discovered two stars located within 10 arcsec of the expansion centre of the radio emission… Expand
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