The ionization structure of planetary nebulae.
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# The ionization structure of planetary nebulae.

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Published by Dept. of Physics and Astronomy, Wheaton College, National Aeronautics and Space Administration in [Norton, Mass.], [Washington, D.C .
Written in English

### Subjects:

• Planetary nebulae

## Book details:

Edition Notes

The Physical Object ID Numbers Statement Timothy Barker Series NASA contractor report -- NASA CR-184566 Contributions United States. National Aeronautics and Space Administration Format Microform Pagination 1 v Open Library OL15022174M

This authoritative volume presents a thoroughly modern understanding of planetary nebulae, integrating new developments in stellar physics with the dynamics of nebular evolution. It covers all the stages in the evolution of planetary nebulae, carefully synthesizes observations from across the spectrum and clearly explains all the key physical processes at work. Abstract: We report the detection of near-IR H$_2$ emission from the low-ionization structures (knots) in two planetary nebulae. The deepest ever, high-angular resolution H$_2$ S(1) at $\mu$, H$_2$ S(1) at $\mu$ and Br$\gamma$ images of K and NGC , obtained using the Near InfraRed Imager and Spectrometer (NIRI) at Gemini-North, are analyzed by:   Preface; 1. History and overview; 2. Ionization structure of planetary nebulae; 3. Nebular line radiation; 4. Nebular continuum radiation; 5. The neutral gas component; 6. The dust component; 7. Observations of the central star of planetary nebulae; 8. Morphologies of planetary nebulae; 9. Problems and questions; Asymptotic giant branch stars - progenitors of planetary nebulae; 11 Cited by: The 3-D ionization structure of the planetary nebula NGC Article in Astronomy and Astrophysics (3) March with 14 Reads How we measure 'reads'.