Molecular hydrogen emission from protoplanetary disks: UV and X-ray irradiated disk model with dust evolution

Details Molecular hydrogen emission from protoplanetary disks: UV and X-ray irradiated disk model with dust evolution Molecular hydrogen emission from protoplanetary disks: UV and X-ray irradiated disk model with dust evolution

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010eas....41..181n&link_type=abstract

EAS Publications Series, Volume 41, 2010, pp.181-184

Physics

Scientific paper

We have modelled a detailed physical structure of protoplanetary disks, taking into account X-ray and UV irradiation from a central star, as well as dust size growth and settling towards the disk midplane. In addition, we have calculated the level populations and line emission of molecular hydrogen in the disks. As a result, we reproduce the observed strong H2 line flux if the disks are influenced by strong UV and X-ray irradiation. Also, the dust evolution changes the physical properties of the disk, and thus the H2 line ratios.

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