articleAstronomy and AstrophysicsJan 1, 2026DIAMOND OA

The ALMA survey to Resolve exoKuiper belt Substructures (ARKS)

YHYinuo HanEFElias Finnegan MansellJJJeff JenningsSMSebastian MarinoAMA. Meredith Hughes

California Institute of Technology · Astronomical Observatory · +32 more institutions

Indexed inarxivcrossrefdoaj

Abstract

Context . Debris discs are populated by belts of planetesimals, whose structure carries dynamical imprints of planets and the formation and evolutionary history of the planetary system. The relatively faint emission of debris discs has previously made it challenging to obtain a large sample of high-resolution ALMA images to characterise their substructures. Aims . The ALMA survey to Resolve exoKuiper belt Substructures (ARKS) was recently completed to cover the lack of high-resolution observations and to investigate the prevalence of substructures such as radial gaps and rings in a sample of 24 debris discs. This study characterises the radial structure of debris discs in the ARKS programme. Methods . We…

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Topics & keywords

Topics
Keywords
  • Planetesimal
  • Debris
  • Planet
  • Debris disk
  • Population
  • Planetary system
  • Halo
  • Deconvolution
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