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The detection of a circumstellar shell around P Cygni by direct CCD imaging

Published online by Cambridge University Press:  04 August 2017

Claus Leitherer  and
Franz-Josef Zickgraf
Claus Leitherer
Affiliation:
Landessternwarte Königstuhl D-6900 Heidelberg Germany
Franz-Josef Zickgraf
Affiliation:
Landessternwarte Königstuhl D-6900 Heidelberg Germany

Extract

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The star P Cygni (=HD 193237) is the proto-type of a class of stars with peculiar spectra, the so-called P-Cygni-stars (or Luminous Blue Variables). They are characterized by extreme mass-loss characteristics and wind densities surpassed only by the winds of Wolf-Rayet stars.

Type
Mass Loss from Hot Stars
Information
Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 435 - 437
Copyright
Copyright © Reidel 1987