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Distances of Local Clouds from Optical Line Observations

Published online by Cambridge University Press:  12 April 2016

Richard M. Crutcher  and
David J. Lien
Richard M. Crutcher
Affiliation:
Astronomy Department, University of Illinois
David J. Lien
Affiliation:
Astronomy Department, University of Illinois

Abstract

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We observed the interstellar D-lines of Na I toward 49 stars in order to determine the distance (125 ± 25 pc) to a cold H I cloud. This sheet of gas may be part of the back side of the shell formed by the Loop I supernova.

Type
The LISM at Optical Wavelengths: Spectral Line Studies
Information
International Astronomical Union Colloquium , Volume 81: Local Interstellar Medium , 1984 , pp. 117 - 120
Copyright
Copyright © NASA 1984

References

Berkhuijsen, E.M. 1973, Astron.Ap., 24, 143.Google Scholar
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Riegel, K.W. and Crutcher, R.M. 1972, Astron.Ap., 18, 55.Google Scholar