The disk of FU Orionis viewed with MATISSE/VLTI. First interferometric observations in L and M bands

@article{Lykou2022TheDO,
  title={The disk of FU Orionis viewed with MATISSE/VLTI. First interferometric observations in L and M bands},
  author={Foteini Lykou and P. {\'A}brah{\'a}m and L. Chen and J{\'o}zsef Varga and {\'A}. K{\'o}sp{\'a}l and Alexis Matter and Michał Siwak and Zs{\'o}fia Marianna Szab{\'o} and Z. Zhu and H. B. Liu and Beatriz Lopez and Fatm{\'e} Allouche and J. Ch. Augereau and Philippe B{\'e}rio and Pierre Cruzal{\`e}bes and C. Dominik and T Henning and K. H. Hofmann and Michiel R. Hogerheijde and Walter Joseph Jaffe},
  journal={Astronomy \& Astrophysics},
  year={2022}
}
Aims. We studied the accretion disk of the archetypal eruptive young star FU Orionis with the use of mid-infrared interferometry, which enabled us to resolve the innermost regions of the disk down to a spatial resolution of 3 milliarcseconds (mas) in the L band, that is, within 1 au of the protostar. Methods. We used the interferometric instrument MATISSE / VLTI to obtain observations of FU Ori’s disk in the L , M , and N bands with multiple baseline configurations. We also obtained… 

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