Dust Populations in the Iconic Vega Planetary System Resolved by ALMA

@inproceedings{Matr2020DustPI,
  title={Dust Populations in the Iconic Vega Planetary System Resolved by ALMA},
  author={L. Matr{\`a} and W. Dent and D. Wilner and S. Marino and M. C. Wyatt and J. Marshall and K. Su and M. Ch'avez and A. Hales and A. Hughes and J. Greaves and S. A. Corder},
  year={2020}
}
  • L. Matrà, W. Dent, +9 authors S. A. Corder
  • Published 2020
  • Physics
  • The Vega planetary system hosts the archetype of extrasolar Kuiper belts, and is rich in dust from the sub-au region out to 100’s of au, suggesting intense dynamical activity. We present ALMA mm observations that detect and resolve the outer dust belt from the star for the first time. The interferometric visibilities show that the belt can be fit by a Gaussian model or by power-law models with a steep inner edge (at 60-80 au). The belt is very broad, extending out to at least 150-200 au. We… CONTINUE READING

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