Multiwavelength Observations of the Peculiar Planetary Nebula IC 2149

Details Multiwavelength Observations of the Peculiar Planetary Nebula IC 2149 Multiwavelength Observations of the Peculiar Planetary Nebula IC 2149

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...576..860v&link_type=abstract

The Astrophysical Journal, Volume 576, Issue 2, pp. 860-869.

Astronomy and Astrophysics

Astronomy

12

Ism: Kinematics And Dynamics, Ism: Planetary Nebulae: Individual: Alphanumeric: Ic 2149, Stars: Agb And Post-Agb

Scientific paper

We report high- and low-dispersion spectroscopy, optical imaging, and high-resolution Very Large Array-A λ3.6 cm continuum observations of the peculiar planetary nebula IC 2149. These observations show that ``bipolar'' is a suitable morphological classification for IC 2149. Most nebular material is concentrated in a knotty, bright ring seen edge-on, embedded in an apparently oblate ellipsoidal shell from which remnant or incipient bipolar lobes emerge. We confirm the previously reported depletion in heavy elements and deduce a very low ejected nebular mass <~0.03 Msolar. All this information indicates that the formation of IC 2149 is the result of the evolution of a low-mass central star.

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