Probing Protoplanetary Disk Upper Atmospheres for Heating and Dust Settling Using Synthetic CO Spectra

Details Probing Protoplanetary Disk Upper Atmospheres for Heating and Dust Settling Using Synthetic CO Spectra Probing Protoplanetary Disk Upper Atmospheres for Heating and Dust Settling Using Synthetic CO Spectra

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542803l&link_type=abstract

American Astronomical Society, AAS Meeting #215, #428.03; Bulletin of the American Astronomical Society, Vol. 42, p.345

Astronomy and Astrophysics

Astronomy

Scientific paper

CO emission is a useful probe of the warm gas distribution in the planet forming regions of disks around Herbig Ae/Be stars. We model UV fluoresced and thermally excited CO in the circumstellar disks of several HAeBes. We find indications of dust settling in the upper atmospheres of HD 141569 and HD 7048 and a correlation between PAH luminosity and gas heating in these two systems. This project was funded by a partnership between the National Science Foundation (NSF AST-0552798), Research Experiences for Undergraduates (REU), and the Department of Defense (DoD) ASSURE (Awards to Stimulate and Support Undergraduate Research Experiences) programs.

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