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The Line of Sight of ϵ Canis Majoris: Depletion and Extent of the Local Cloud

Published online by Cambridge University Press:  12 April 2016

Cécile Gry  and
Olivier Dupin
Cécile Gry
Affiliation:
Laboratoire d’Astronomie Spatiale, CNRS, BP 8, F-13376 Marseille Cedex 12 ISO Science Operation Center, PO Box 50727, E-28080 Madrid
Olivier Dupin
Affiliation:
Laboratoire d’Astronomie Spatiale, CNRS, BP 8, F-13376 Marseille Cedex 12

Abstract

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With new high resolution UV spectra of ϵ CMa we show that the gas column density in this sight-line is less than 4 1017 cm−2, that the neutral gas density is less than 10−5 cm−3 after the first 3 parsecs, and that the Local Cloud seems to be almost undepleted and to extend to no more than 0.6 pc in this direction.

Type
Part IV Clouds, Ionized Gas, and Particles in the Local ISM
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 161 - 164
Copyright
Copyright © Springer-Verlag 1998

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