Early ComeOn+ adaptive optics observation of GQ Lupi and its substellar companion

@article{Janson2006EarlyCA,
  title={Early ComeOn+ adaptive optics observation of GQ Lupi and its substellar companion},
  author={M. Janson and W. Brandner and T. Henning and H. Zinnecker},
  journal={Astronomy and Astrophysics},
  year={2006},
  volume={453},
  pages={609-614}
}
We present an analysis of adaptive optics K -band imaging data of GQ Lup acquired in 1994 by the first generation adaptive optics system ComeOn+ at the ESO 3.6 m optical telescope in La Silla. The data reveal a likely candidate for the low-mass companion recently reported in the literature. An a posteriori detection in the 11-year old data would provide a useful astrometric data point for the very long-period (~1000 yr) orbit of the GQ Lup system. However, the data is severely contaminated by… Expand

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