Systematics between planetary properties and stellar C/O

Details Systematics between planetary properties and stellar C/O Systematics between planetary properties and stellar C/O

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1391p&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1391

Physics

Scientific paper

We also construct simple models of snowline physics and chemistry in protoplanetary disks motivated by varying ratios of C/O seen in the stellar measurements. Using the model originally developed by one of the authors and colleagues [3], we predict the depletion of water versus distance from the protostar, as a function of time, and then with a thermochemical model quantify the evolution of gas phase and condensed species. For different assumed values of the quench temperature for reactions, we then obtain the balance between CO and CH4, N2 and NH3, and the abundance of refractory organics. We construct these models for a range of values of C/O from supersolar oxygen to C/O in excess of unity.

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