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ionizatio

International Astronomical Union Colloquium (1)

International Astronomical Union (1)

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Ionization in Nova Atmospheres
P. Wellmann
Journal:

International Astronomical Union Colloquium / Volume 2 / August 1970

Published online by Cambridge University Press:

08 February 2017, pp. 290-294

Print publication:

August 1970
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Calculations on the expansion of novae shells are presented, from which the degree of ionization is obtained using a simplified form of a non-LTE ionization equation. From this, estimates of the time of vanishing of the Balmer absorption spectrum can be made.