Clumpy dust clouds and extended atmosphere of the AGB star W Hydrae revealed with VLT/SPHERE-ZIMPOL and VLTI/AMBER

@article{Ohnaka2016ClumpyDC,
  title={Clumpy dust clouds and extended atmosphere of the AGB star W Hydrae revealed with VLT/SPHERE-ZIMPOL and VLTI/AMBER},
  author={K. Ohnaka and G. Weigelt and K. Hofmann},
  journal={Astronomy and Astrophysics},
  year={2016},
  volume={589}
}
  • K. Ohnaka, G. Weigelt, K. Hofmann
  • Published 2016
  • Physics
  • Astronomy and Astrophysics
  • Context. Dust formation is thought to play an important role in the mass loss from stars at the asymptotic giant branch (AGB); however, where and how dust forms is still open to debate. Aims. We present visible polarimetric imaging observations of the well-studied AGB star W Hya taken with VLT/SPHERE-ZIMPOL as well as high spectral resolution long-baseline interferometric observations taken with the AMBER instrument at the Very Large Telescope Interferometer (VLTI). Our goal is to spatially… CONTINUE READING
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    References

    SHOWING 1-10 OF 42 REFERENCES
    New insights into the dust formation of oxygen-rich AGB stars
    • 46
    • PDF
    The mid-infrared diameter of W Hydrae ,
    • 23
    • PDF
    Dusty wind of W Hydrae: Multi-wavelength modelling of the present-day and recent mass loss
    • 15
    • Highly Influential
    • PDF
    Magnetic Fields in Evolved Stars: Imaging the Polarized Emission of High-frequency SiO Masers
    • 39
    • Highly Influential
    • PDF
    A close halo of large transparent grains around extreme red giant stars
    • 125
    • Highly Influential
    • PDF
    Radio Photospheres of Long-Period Variable Stars
    • 159