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Tracing the inner edge of the disk around HD 100546 with Ro-vibrational CO Emission Lines
Sean D. Brittain, Joan R. Najita, John S. Carr
In this paper we present high resolution 4.7micron spectra of the isolated Herbig Be star HD100546. HD100546 has been the subject of intense scrutiny because it is a young nearby s…
Solar System Analogs Around IRAS-Discovered Debris Disks
Christine H. Chen, Patrick Sheehan, Dan M. Watson +2
We have rereduced Spitzer IRS spectra and reanalyzed the SED's of three nearby debris disks: lambda Boo, HD 139664, and HR 8799. We find that that the thermal emission from these o…
Formation of Water in the Warm Atmospheres of Protoplanetary Disks
A. E. Glassgold, R. Meijerink, J. R. Najita
The gas-phase chemistry of water in protoplanetary disks is analyzed with a model based on X-ray heating and ionization of the disk atmosphere. Several uncertain processes appear t…
High Resolution Spectroscopy of [NeII] Emission from AA Tau and GM Aur
Joan R. Najita, Greg W. Doppmann, Martin A. Bitner +8
We present high resolution (R=80,000) spectroscopy of [NeII] emission from two young stars, GM Aur and AA Tau, which have moderate to high inclinations. The emission from both sour…