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Ultraviolet Spectropolarimetry of Classical Novae in Outburst: Evidence for Aspherical Ejecta

Published online by Cambridge University Press:  12 April 2016

J.J. Johnson ,
C.M. Anderson ,
K.S. Bjorkman ,
A.D. Code ,
G.K. Fox ,
A.J. Weitenbeck ,
K. Wood ,
R.J. Edgar ,
W.T. Sanders  and
B. Babler
...Show all authors
J.J. Johnson
Affiliation:
UW-Madison, Space Astronomy Lab
C.M. Anderson
Affiliation:
UW-Madison, Space Astronomy Lab
K.S. Bjorkman
Affiliation:
UW-Madison, Space Astronomy Lab
A.D. Code
Affiliation:
UW-Madison, Space Astronomy Lab
G.K. Fox
Affiliation:
UW-Madison, Space Astronomy Lab
A.J. Weitenbeck
Affiliation:
UW-Madison, Space Astronomy Lab
K. Wood
Affiliation:
UW-Madison, Space Astronomy Lab
R.J. Edgar
Affiliation:
UW-Madison, Space Astronomy Lab
W.T. Sanders
Affiliation:
UW-Madison, Space Astronomy Lab
B. Babler
Affiliation:
UW-Madison, Space Astronomy Lab
M. Meade
Affiliation:
UW-Madison, Space Astronomy Lab
N.E.B. Zellner
Affiliation:
UW-Madison, Space Astronomy Lab
G.C. Clayton
Affiliation:
Univeristy of Colorado, CASA
R. Schulte-Ladbeck
Affiliation:
University of Pittsburgh
O.L. Lupie
Affiliation:
Space Telescope Science Institute

Abstract

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We used the Wisconsin Ultraviolet Photo-Polarimeter Experiment during the Astro-2 mission aboard the Space Shuttle Endeavour, to obtain ultraviolet spectropolarimetry of three classical novae that had recently gone into outburst. All three novae appear to have intrinsic polarization, with polarization changes across emission lines. This result indicates that, geometrically, the ejecta were quite aspherical.

Type
Novae & Symbiotic Stars
Information
International Astronomical Union Colloquium , Volume 158: Cataclysmic Variables and Related Objects , 1996 , pp. 315 - 316
Copyright
Copyright © Kluwer 1996