DPS 35th Meeting, 1-6 September 2003
Session 28. Comets II: Gas Species
Oral, Chairs: S. Wyckoff and N. Biver, Thursday, September 4, 2003, 4:30-5:40pm, DeAnza III

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[28.06] Disk Chemistry and Cometary Composition

A. J. Markwick, S. B. Charnley (NASA Ames)

We will describe current chemical modelling of disks similar to the protosolar nebula. Calculations are being undertaken to determine the spatial and temporal chemistry of the gas and dust within the 5-40AU comet-forming region of the nebula. These theoretical studies aim to determine the contribution of pristine and partially-processed interstellar material from the cool outer nebula, as compared to that obtained from outward radial mixing of matter from the hot inner nebula.

Reference Molecular distributions in the inner regions of protostellar disks, Markwick, A. J., Ilgner, M., Millar, T. J., Henning, Th. (2002), Astron. Astrophys., 385, 632.

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Bulletin of the American Astronomical Society, 35 #4
© 2003. The American Astronomical Soceity.