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Physical Conditions in the Compact Planetary Nebula Sw St 1

Published online by Cambridge University Press:  18 September 2017

M. Cohen ,
D.R. Flower  and
A. Goharji
M. Cohen
Affiliation:
NASA Ames Research Center
D.R. Flower
Affiliation:
Department of Physics, University of Durham, UK
A. Goharji
Affiliation:
Department of Physics, University of Durham, UK

Extract

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Sw St 1 is a compact and possibly young planetary nebula which has been recently observed at infra red (Aitken et al., 1979) and radio (Kwok et al., 1981) wavelengths. In the 8-13 μm region, a silicate emission feature is observed, suggesting that the nebular envelope is oxygen rich. The high emission measure determined from the radio observations implies a large value for the electron density.

Type
Abstracts of Contributed Papers
Information
Symposium - International Astronomical Union , Volume 103: Planetary Nebulae , 1983 , pp. 520
Copyright
Copyright © Reidel 1983 

References

Aitken, D.K., Roche, P.F., Spenser, P.M. and Jones, B.: 1979, Astrophys. J. 233, 925.CrossRefGoogle Scholar
Kwok, S., Purton, C.R. and Keenan, D.W.: 1981, Astrophys. J. 250, 232.CrossRefGoogle Scholar