Morphology and kinematics of Planetary Nebulae II. A Diabolo model for NGC 3132

Details Morphology and kinematics of Planetary Nebulae II. A Diabolo model for NGC 3132 Morphology and kinematics of Planetary Nebulae II. A Diabolo model for NGC 3132

2000-02-07

arxiv.org/abs/astro-ph/0002154v1

Astronomy and Astrophysics

Astrophysics

9 pages, 7 figures, accepted in ApJ main serie

Scientific paper

10.1086/309058

We use a 3D photoionization modeling tool to study the morpho-kinematic properties of the Planetary Nebula (PN) NGC 3132. We show that it is possible to reproduce the low resolution observations (spectra and images) with an ellipsoidal shell. However, high resolution observations, as those showing a density variation along the nebula and the [O III]5007 velocity profiles, definitively rule out this description. We show that a bipolar Diabolo shape with a 40 degres rotation of the symmetry axis relative to the line of sight successfully reproduces the observed images, as well as the high resolution observations.

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