Older Upper Scorpius disks show reduced molecular emission and hints of higher inner-gas C/O ratios than young disks, indicating chemical evolution consistent with pebble drift.
M., Kamp, I., van Dishoeck, E
3 Pith papers cite this work. Polarity classification is still indexing.
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A new grid of disk models with grain-surface CO chemistry plus an ML inference tool produces gas mass estimates from ALMA observations that match independent dynamical and HD values without requiring extreme elemental depletion.
JWST observations of Sz 65 and Sz 66 reveal higher cold-to-hot water ratios in the secondary disk, attributed to its unstructured dust disk enabling efficient pebble drift across the snow line.
citing papers explorer
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From Young to Older Disks: JWST/MIRI Evidence for Fading Molecular Emission and Hints for Elevated C/O in Upper Scorpius
Older Upper Scorpius disks show reduced molecular emission and hints of higher inner-gas C/O ratios than young disks, indicating chemical evolution consistent with pebble drift.
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DiskMINT-GARDEN: Self-consistent Models to Estimate Disk Masses
A new grid of disk models with grain-surface CO chemistry plus an ML inference tool produces gas mass estimates from ALMA observations that match independent dynamical and HD values without requiring extreme elemental depletion.
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Molecular Similarity and Water Diversity in Coeval Binary Disks: JWST/MIRI Observations of Sz 65 and Sz 66
JWST observations of Sz 65 and Sz 66 reveal higher cold-to-hot water ratios in the secondary disk, attributed to its unstructured dust disk enabling efficient pebble drift across the snow line.