29 citations · 29 across the 2 of their papers we have counts for
3 papers
astro-ph.GA2012★ 29 cited
Molecular chemistry and the missing mass problem in PNe
Rafael K. Kimura, Ruth Gruenwald, Isabel Aleman
Detections of molecular lines, mainly from H2$ and CO, reveal molecular material in planetary nebulae. Observations of a variety of molecules suggest that the molecular composition…
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…
astro-ph2004
Molecular Hydrogen in the Ionized Region of Planetary Nebulae
I. Aleman, R. Gruenwald
This paper presents an analysis of the concentration of the hydrogen molecule inside the ionized region of planetary nebulae. The equations corresponding to the ionization and chem…