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Wolf-Rayet stars, ring-type H II regions, and spiral structure

Published online by Cambridge University Press:  14 August 2015

Th. Schmidt-Kaler*
Affiliation:
Astronomisches Institut, Ruhr-Universität, Bochum, Germany

Extract

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At the Prague IAU meeting (Isserstedt and Schmidt-Kaler, 1967) we presented some results of investigations on stellar rings, a new kind of stellar association and powerful spiral tracer. We have since kept looking for similar features of gas or dust which might be early stages in the evolution of stellar rings.

Type
Part II/Observations of Spiral Structure in Our Galaxy
Copyright
Copyright © Reidel 1970 

References

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