Kinematic structure of NGC 3132 - The planetary nebula with a binary nucleus

Details Kinematic structure of NGC 3132 - The planetary nebula with a binary nucleus Kinematic structure of NGC 3132 - The planetary nebula with a binary nucleus

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...161..357s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 161, no. 2, June 1986, p. 357-362. Research supported by the Department of Spa

Astronomy and Astrophysics

Astrophysics

16

Binary Stars, Planetary Nebulae, Stellar Models, Elliptical Plasmas, Fabry-Perot Spectrometers, Velocity Distribution

Scientific paper

The authors have carried out a detailed study of the velocity structure of the southern planetary nebula NGC 3132 by obtaining [O III] λ5007 Å line profiles at 5 positions of the nebula using a Fabry-Perot spectrometer. The main results of the study are the following: (1) The observations are consistent with an ellipsoidal model with a velocity asymmetry. (2) The velocity structure favours a binary star hypothesis for the nucleus of the nebula. As a consequence, HD 87892 and the nebula could be physically associated.

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