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Advances in Studies of Physical Processes

Published online by Cambridge University Press:  22 September 2016

M.J. Seaton
M.J. Seaton*
Affiliation:
Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT

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The forbidden lines in planetary nebulae are due to transitions between energy levels belonging to configurations ns2npq with q = 1 to 5, and with n = 2 ([O II], [O III], …) or n = 3 ([S II], [S III], …). For electron impact excitation of these levels, the expansion

Type
Session III: Physical Processes
Information
Symposium - International Astronomical Union , Volume 76: Planetary Nebulae , 1978 , pp. 131 - 137
Copyright
Copyright © Reidel 1978 

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