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astro-ph.GA2010★ 23 cited
H2 infrared line emission from the ionized region of planetary nebulae
Isabel Aleman, Ruth Gruenwald
The analysis and interpretation of the H2 line emission from planetary nebulae have been done in the literature assuming that the molecule survives only in regions where the hydrog…
astro-ph.GA2010
Modelling H2 Infrared Emission of the Helix Nebula Cometary Knots
Isabel Aleman, Albert A. Zijlstra, Mikako Matsuura +2
In the present work, we use a photoionisation code to study the H2 emission of the Helix nebula (NGC 7293) cometary knots, particularly that produced in the interface H+/H0 of the…