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Scattered Light from Envelopes around N-type Stars

Published online by Cambridge University Press:  25 May 2016

Bengt Gustafsson ,
Kjell Eriksson ,
Dan Kiselman ,
Nils Olander ,
Hans Olofsson  and
Hugo E. Schwarz
Bengt Gustafsson
Affiliation:
Uppsala Astronomical Observatory, Uppsala, Sweden
Kjell Eriksson
Affiliation:
Uppsala Astronomical Observatory, Uppsala, Sweden
Dan Kiselman
Affiliation:
Royal Academy of Sciences, Stockholm Observatory, Saltsjöbaden, Sweden
Nils Olander
Affiliation:
Dept. of Physics and Mathematics, MidSweden University, Sundsvall, Sweden
Hans Olofsson
Affiliation:
Stockholm Observatory, Saltsjöbaden, Sweden
Hugo E. Schwarz
Affiliation:
Nordic Optical Telescope, Santa Cruz de La Palma, Canary Islands, Spain

Abstract

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Circumstellar emission in the Na I and K I resonance lines has been detected from three carbon stars using high-resolution spectroscopy. Some properties of the circumstellar envelopes are discussed.

Type
Session IX — Circumstellar Emission and Environment
Information
Symposium - International Astronomical Union , Volume 177: The Carbon Star Phenomenon , 2000 , pp. 409 - 412
Copyright
Copyright © Kluwer 2000 

References

Gustafsson, B., Eriksson, K., Kiselman, D., Olander, N. & Olofsson, H. 1997, A&A, 318, 535 Google Scholar