Tracing pebble drift and trapping using radial carbon depletion profiles in protoplanetary disks

@article{Sturm2022TracingPD,
  title={Tracing pebble drift and trapping using radial carbon depletion profiles in protoplanetary disks},
  author={J. A. Sturm and Melissa McClure and Daniel Harsono and Stefano Facchini and Feng Long and Mihkel Kama and Edwin A. Bergin and E. F. van Dishoeck},
  journal={Astronomy \& Astrophysics},
  year={2022}
}
Context. The composition of planets may be largely determined by the chemical processing and accretion of icy pebbles in protoplan- etary disks. Recent observations of protoplanetary disks hint at wide-spread depletion of gaseous carbon. The missing volatile carbon is likely frozen in CO and / or CO 2 ice on grains and locked into the disk through pebble trapping in pressure bumps or planetesimals. Aims. We aim to measure the total elemental C / H ratio in the outer region of seven disks, four… 
Gas Disk Sizes from CO Line Observations: A Test of Angular Momentum Evolution
The size of a disk encodes important information about its evolution. Combining new Submillimeter Array observations with archival Atacama Large Millimeter/submillimeter Array data, we analyze

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