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arXiv · 2512.14803

Finding New Debris Discs at Sub-millimetre Wavelengths

Mark Booth·Patricia Luppe·Sebastian Marino·Joshua B. Lovell·Jonathan P. Marshall·Gaspard Duchêne·Isabel Rebollido·Mark C. Wyatt·Riouhei Nakatani·Aya E. Higuchi·Miguel Chavez-Dagostino·Hiroshi Kobayashi
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Abstract

Debris discs reveal the architectures and dynamical histories of planetary systems. Sub-millimetre observations trace large dust grains within debris discs, revealing their bulk properties. Debris discs have so far only been detected around ~20% of stars, representing the bright end of the population. A new facility is required to reach fainter discs, overcoming the confusion limit, with multiwavelength capabilities for characterisation, sensitivity to large-scale emission for nearby targets and a large field of view for surveying distant populations. All of this is made possible with the Atacama Large Aperture Submillimetre Telescope (AtLAST).

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Mark Booth, Patricia Luppe, Sebastian Marino, Joshua B. Lovell, Jonathan P. Marshall, Gaspard Duchêne, Isabel Rebollido, Mark C. Wyatt, Riouhei Nakatani, Aya E. Higuchi, Miguel Chavez-Dagostino, Hiroshi Kobayashi. 2025-12-16. Finding New Debris Discs at Sub-millimetre Wavelengths. https://arxiv.org/abs/2512.14803

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