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Influence of the Stellar Wind on the Nebular Ionization in NGC 1535 and 4361

Published online by Cambridge University Press:  18 September 2017

J. Adam  and
J. Köppen
J. Adam
Affiliation:
Institut für theoretische Astrophysik, Heidelberg, W. Germany
J. Köppen
Affiliation:
Institut für theoretische Astrophysik, Heidelberg, W. Germany

Extract

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The high excitation planetaries NGC 1535 and 4361 were observed with IUE satellite in the short wavelength region at high dispersion. In NGC 1535 we found P Cygni profiles of NV 1238, 1242 and OV 1371 lines with a terminal wind velocity of about 2000 km/sec. In NGC 4361 these lines are narrow absorption lines (width 0.5 Å), probably of photospheric origin.

Type
Abstracts of Contributed Papers
Information
Symposium - International Astronomical Union , Volume 103: Planetary Nebulae , 1983 , pp. 338 - 339
Copyright
Copyright © Reidel 1983