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The Interaction of Nova Shells with the Interstellar Medium*

Published online by Cambridge University Press:  12 April 2016

H.W. Duerbeck*
Affiliation:
Astronomisches Institut, Universität Münster, Münster, F.R.G.

Abstract

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Decelerations of the shells around the novae V603 Aql, V476 Cyg, DQ Her and GK Per were determined from photographs and recent CCD observations. The deceleration is larger for higher expansion velocities, the mean half-lifetime, after which the expansion velocity has dropped to half its initial value, is 75 years.

Type
V. Nova and Dwarf Nova Outbursts
Copyright
Copyright © Reidel 1987

Footnotes

*

Based on observations obtained at the European Southern Observatory, La Silla, Chile, and at the Centro Astronomico Hispano-Aleman Calar Alto, operated by the Max-Planck-Institut fur Astronomie, Heidelberg

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