The First Detection of 13C17O in a Protoplanetary Disk: a Robust Tracer of Disk Gas Mass.

  title={The First Detection of 13C17O in a Protoplanetary Disk: a Robust Tracer of Disk Gas Mass.},
  author={A. Booth and C. Walsh and J. Ilee and S. Notsu and C. Qi and H. Nomura and E. Akiyama},
  journal={arXiv: Earth and Planetary Astrophysics},
  • A. Booth, C. Walsh, +4 authors E. Akiyama
  • Published 2019
  • Physics
  • arXiv: Earth and Planetary Astrophysics
  • Measurements of the gas mass are necessary to determine the planet formation potential of protoplanetary disks. Observations of rare CO isotopologues are typically used to determine disk gas masses; however, if the line emission is optically thick this will result in an underestimated disk mass. With ALMA we have detected the rarest stable CO isotopologue, 13C17O, in a protoplanetary disk for the first time. We compare our observations with the existing detections of 12CO, 13CO, C18O and C17O… CONTINUE READING

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