Phase closure nulling of HD 59717 with AMBER / VLTI ⋆ Detection of the close faint companion

@inproceedings{Duvert2010PhaseCN,
  title={Phase closure nulling of HD 59717 with AMBER / VLTI ⋆ Detection of the close faint companion},
  author={Gilles Duvert and Alain Chelli and Fabien Malbet and Peter Kern},
  year={2010}
}
Aims. The detection of close and faint companions is an essential s tep in many astrophysical fields, including the search for pl anetary companions. A new method called “phase closure nulling” has been proposed for the detection of such faint and close compa nions based on interferometric observations when the system visi bility amplitude is close to zero due to the large diameter of the primary star. We aim at demonstrating this method by analyzing obser vations obtained on the spectroscopic… CONTINUE READING

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