The Atacama Large Aperture Submillimetre Telescope (AtLAST)
Pamela D. Klaassen, Tony Mroczkowski, Claudia Cicone, Evanthia, Hatziminaoglou, Sabrina Sartori, Carlos De Breuck, Sean Bryan, Simon R., Dicker, Carlos Duran, Chris Groppi, Hans K\"archer, Ryohei Kawabe, Kotaro, Kohno, and James Geach

TL;DR
The AtLAST is a proposed 50-meter single dish submillimetre telescope designed to significantly enhance sensitivity and resolution, enabling groundbreaking studies of cold cosmic structures and the distant Universe.
Contribution
This paper introduces the AtLAST, a novel large-aperture telescope concept with advanced instrumentation for transformative sub-mm astronomical observations.
Findings
Enables mapping speeds hundreds of times faster than current facilities.
Allows resolving low-mass protostellar cores at the Galactic Centre.
Facilitates direct mapping of the circumgalactic medium.
Abstract
The coldest and densest structures of gas and dust in the Universe have unique spectral signatures across the (sub-)millimetre bands (~GHz). The current generation of single dish facilities has given a glimpse of the potential for discovery, while sub-mm interferometers have presented a high resolution view into the finer details of known targets or in small-area deep fields. However, significant advances in our understanding of such cold and dense structures are now hampered by the limited sensitivity and angular resolution of our sub-mm view of the Universe at larger scales. In this context, we present the case for a new transformational astronomical facility in the 2030s, the Atacama Large Aperture Submillimetre Telescope (AtLAST). AtLAST is a concept for a 50-m-class single dish telescope, with a high throughput provided by a 2~deg - diameter Field of View,…
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