Kinematics and morphology of the planetary nebula NGC 650 - 651

Details Kinematics and morphology of the planetary nebula NGC 650 - 651 Kinematics and morphology of the planetary nebula NGC 650 - 651

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.210...57r&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 210, Sept. 1, 1984, p. 57-67.

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10

Astronomical Models, Astronomical Spectroscopy, Kinematics, Morphology, Planetary Nebulae, Emission Spectra, Fabry-Perot Interferometers, H Alpha Line, Radial Velocity, Velocity Distribution

Scientific paper

Radial velocities are obtained at 160 points over the face of the planetary nebula NGC 650-651 using the photographic Fabry-Pérot technique in the emission lines Hα and [N II] λ6584. The splitting of the interference rings at 24 points on the PN from four interferograms indicates an overall radial expansion of 42 - 44 km s-1. The velocity data are consistent with those previously obtained by other authors; however, the model the authors propose differs essentially from the models suggested so far. They invoke magnetic phenomena to explain the velocity data known to date as well as the symmetrical morphology of NGC 650-651.

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