High-resolution imaging of dust shells by using Keck aperture masking and the IOTA interferometer

@article{Monnier2004HighresolutionIO,
  title={High-resolution imaging of dust shells by using Keck aperture masking and the IOTA interferometer},
  author={J. Monnier and R. Millan-Gabet and P. Tuthill and W. Traub and N. Carleton and V. C. Foresto and W. Danchi and M. Lacasse and S. Morel and G. Perrin and I. Porro and F. Schloerb and C. I. O. T. H. S. Center and Caltech University of Sydney Harvard-Smithsonian CfA Obser Massachusetts and A. U. Berkeley},
  journal={The Astrophysical Journal},
  year={2004},
  volume={605},
  pages={436-461}
}
We present first results of an experiment to combine data from Keck aperture masking and the Infrared-Optical Telescope Array to image the circumstellar environments of evolved stars with ~20 mas resolution. The unique combination of excellent Fourier coverage at short baselines and high-quality long-baseline fringe data allows us to determine the location and clumpiness of the innermost hot dust in the envelopes and to measure the diameters of the underlying stars themselves. We find evidence… Expand
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