387 citations · 2.1k across the 26 of their papers we have counts for
26 papers
Deep-Down Ionization of Protoplanetary Disks
A. E. Glassgold, S. LIzano, D. Galli
The possible occurrence of dead zones in protoplanetary disks subject to the magneto-rotational instability highlights the importance of disk ionization. We present a closed-form t…
FUV Irradiated Disk Atmospheres: Ly and the Origin of Hot H Emission
Máté Ádámkovics, Joan R. Najita, Alfred E. Glassgold
Protoplanetary disks are strongly irradiated by a stellar FUV spectrum that is dominated by Ly photons. We investigate the impact of stellar Ly irradiation on the terrestrial…
Photochemical Heating of Dense Molecular Gas
A. E. Glassgold, J. R. Najita
Photochemical heating is analyzed with emphasis on the heating generated by chemical reactions initiated by the products of photodissociation and photoionization. The immediate pro…
Shielding by Water and OH in FUV and X-ray Irradiated Protoplanetary Disks
Máté Ádámkovics, Alfred E. Glassgold, Joan R. Najita
We present an integrated thermal-chemical model for the atmosphere of the inner region of a protoplanetary disk that includes irradiation by both far ultraviolet (FUV) and X-ray ra…
X-ray ionization rates in protoplanetary discs
B. Ercolano, A. Glassgold
Low-mass young stellar objects are powerful emitters of X-rays that can ionize and heat the disks and the young planets they harbour. The X-rays produce molecular ions that affect…
Cosmic-ray and X-ray Heating of Interstellar Clouds and Protoplanetary Disks
Alfred E. Glassgold, Daniele Galli, Marco Padovani
Cosmic-ray and X-ray heating are derived from the electron energy loss calculations of Dalgarno, Yan and Liu for hydrogen-helium gas mixtures. These authors treated the heating fro…