EDP Sciences
Free access
Issue
A&A
Volume 383, Number 2, February IV 2002
Page(s) 738 - 746
Section Physical and chemical processes
DOI http://dx.doi.org/10.1051/0004-6361:20011748


A&A 383, 738-746 (2002)
DOI: 10.1051/0004-6361:20011748

Reduced networks governing the fractional ionisation in interstellar molecular clouds

J. G. L. Rae1, N. Bell2, T. W. Hartquist1, M. J. Pilling2 and D. P. Ruffle2

1  Department of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
2  School of Chemistry, University of Leeds, Leeds LS2 9JT, UK

(Received 7 November 2001 / Accepted 6 December 2001 )

Abstract
We have used objective techniques to identify, from a huge chemical network, reduced networks that accurately describe the chemistry governing the fractional ionisation in interstellar molecular clouds under a wide variety of conditions.


Key words: astrochemistry -- stars: formation -- ISM: abundances -- ISM: clouds -- ISM: molecules -- ISM: magnetic fields

Offprint request: J. G. L. Rae, jglr@ast.leeds.ac.uk




© ESO 2002