articleThe Astrophysical Journal LettersApr 28, 2025GOLD OA

exoALMA. I. Science Goals, Project Design, and Data Products

RTRichard TeagueMBM. BenistySFStefano FacchiniMFMisato FukagawaCPC. Pinte
Indexed incrossrefdoaj

Abstract

Abstract Planet formation is a hugely dynamic process requiring the transport, concentration, and assimilation of gas and dust to form the first planetesimals and cores. With access to observations with extremely high spatial and spectral resolution at unprecedented sensitivities, it is now possible to probe the planet-forming environment in detail. To this end, the exoALMA Large Program targeted 15 large protoplanetary disks, ranging between ∼1 ″ and ∼7 ″ in radius, and mapped the gas and dust distributions. 12 CO J = 3–2, 13 CO J = 3–2, and CS J = 7–6 molecular emission was imaged at high angular ( ∼ 0 . ″ 15 ) and spectral (∼100 m s −1 ) resolution, achieving a surface brightness temperature sensitivity…

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  • Computer science
  • Management science
  • Data science
  • Engineering
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