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The structures and kinematics of planetary nebulae with close-binary central stars

Published online by Cambridge University Press:  15 December 2006

Deborah L. Mitchell ,
Don Pollacco ,
T. J. O'Brien ,
M. Bryce ,
J. A. López  and
J. Meaburn
Deborah L. Mitchell
Affiliation:
Jodrell Bank Observatory, Macclesfield, Cheshire, SK11 9DL, UK email: dlm@jb.man.ac.uk
Don Pollacco
Affiliation:
APS Division, Department of Pure and Applied Physics, Queen's University Belfast, Belfast BT7 1NN
T. J. O'Brien
Affiliation:
Jodrell Bank Observatory, Macclesfield, Cheshire, SK11 9DL, UK email: dlm@jb.man.ac.uk
M. Bryce
Affiliation:
Jodrell Bank Observatory, Macclesfield, Cheshire, SK11 9DL, UK email: dlm@jb.man.ac.uk
J. A. López
Affiliation:
Instituto de Astronomía, Universidad Nacional Autnoma de México, Apartado Postal 877, 22800 Ensenada, B.C., México
J. Meaburn
Affiliation:
Jodrell Bank Observatory, Macclesfield, Cheshire, SK11 9DL, UK email: dlm@jb.man.ac.uk
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Abstract

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A programme is currently underway to study the structures and kinematics of planetary nebulae known to contain close-binary central stars. Images and high-resolution spectroscopy are presented of the collimated nebula Abell 63 and the ring-like nebula Sp 1. A spatio-kinematical model shows that Abell 63 has a tube-like structure, which has the same inclination as the orbital plane of the central binary system. Kinematic data reveal that Sp 1 is not a hollow sphere, but a tube-like nebula viewed pole-on.

Keywords

(ISM:) planetary nebulae: general(ISM:) planetary nebulae: individual (Abell 63, Sp 1)(stars:) binary: eclipsingstars: kinematicsstars: mass loss