articleAstronomy and AstrophysicsJan 1, 2026DIAMOND OA

The ALMA survey to Resolve exoKuiper belt Substructures (ARKS)

SMS. MarinoLMLuca MatràAMA. Meredith HughesJEJ. EhrhardtGMG. M. Kennedy

University of Exeter · Trinity College · +35 more institutions

Indexed inarxivcrossrefdoaj

Abstract

Context . The outer regions of planetary systems host dusty debris discs analogous to the Kuiper belt (exoKuiper belts), which provide crucial constraints on planet formation and evolution processes. ALMA dust observations have revealed a great diversity in terms of radii, widths, and scale heights. At the same time, ALMA has also shown that some belts contain CO gas, whose origin and implications are still highly uncertain. Most of this progress, however, has been limited by low angular resolution observations that hinder our ability to test existing models and theories. Aims . High-resolution observations of these belts are crucial for understanding the detailed distribution of solids and for constraining…

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Topics & keywords

Topics
Keywords
  • Planet
  • Range (aeronautics)
  • Planetary system
  • Distribution (mathematics)
  • Debris
  • Parametric statistics
  • Series (stratigraphy)
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