GRAVITY K-band spectroscopy of HD 206893 B

  title={GRAVITY K-band spectroscopy of HD 206893 B},
  author={J. Kammerer and S. Lacour and T. Stolker and P. Molli{\`e}re and D. Sing and E. Nasedkin and P. Kervella and J. J. Wang and K. Ward-Duong and M. Nowak and R. Abuter and A. Amorim and R. Asensio-Torres and M. Baub{\"o}ck and M. Benisty and J. Berger and H. Beust and S. Blunt and A. Boccaletti and A. Bohn and M. Bolzer and M. Bonnefoy and H. Bonnet and W. Brandner and F. Cantalloube and P. Caselli and B. Charnay and G. Chauvin and {\'E}. Choquet and V. Christiaens and Y. Cl'enet and V. Coud{\'e} du Foresto and A. Cridland and R. Dembet and J. Dexter and P. T. de Zeeuw and A. Drescher and G. Duvert and A. Eckart and F. Eisenhauer and F. Gao and P. Garcia and R. Garcia Lopez and E. Gendron and R. Genzel and S. Gillessen and J. Girard and X. Haubois and G. Hei{\ss}el and T. Henning and S. Hinkley and S. Hippler and M. Horrobin and M. Houll'e and Z. Hubert and L. Jocou and M. Keppler and L. Kreidberg and A. Lagrange and V. Lapeyr{\`e}re and J. Le Bouquin and P. L'ena and D. Lutz and A. Maire and A. M'erand and J. Monnier and D. Mouillet and A. M{\"u}ller and T. Ott and G. Otten and C. Paladini and T. Paumard and K. Perraut and G. Perrin and O. Pfuhl and L. Pueyo and J. Rameau and L. Rodet and G. Rousset and Z. Rustamkulov and J. Shangguan and T. Shimizu and J. Stadler and O. Straub and C. Straubmeier and E. Sturm and L. Tacconi and E. V. van Dishoeck and A. Vigan and F. Vincent and S. V. von Fellenberg and F. Widmann and E. Wieprecht and E. Wiezorrek and J. Woillez and S. Yazici},
  journal={Astronomy and Astrophysics},
Context. Near-infrared interferometry has become a powerful tool for studying the orbital and atmospheric parameters of substellar companions. Aims. We aim to reveal the nature of the reddest known substellar companion HD 206893 B by studying its near-infrared colors and spectral morphology and by investigating its orbital motion. Methods. We fit atmospheric models for giant planets and brown dwarfs and perform spectral retrievals with petitRADTRANS and ATMO on the observed GRAVITY, SPHERE, and… Expand


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