Spatial Distributions of Multiple Dust Components in the PPN/PN Dust Shells
Abstract
We investigate spatial distributions of specific dust components in the circumstellar shells of a proto-planetary nebula candidate, HD 179821, and a planetary nebula, BD+30°3639, by means of spectral imaging. With high-resolution ground-based images and ISO spectra in the mid-infrared, we can derive “dust feature only” maps by subtracting synthesized continuum maps from the observed images at the feature wavelength. Such spatially detailed information will help to develop models for the evolution of dust grains around evolved stars.
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Authors and Affiliations
University of Illinois at Urbana-Champaign, USA
Toshiya Ueta, Angela K. Speck & Margaret Meixner
IPAC/JPL,, USA
Aditya Dayal
Harvard-Smithsonian Center for Astrophysics, USA
Joseph L. Hora & Giovanni Fazio
Boston University, USA
Lynne K. Deutsch
Steward Observatory, University of Arizona, USA
William F. Hoffmann
Authors
- Toshiya Ueta
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- Angela K. Speck
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- Margaret Meixner
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- Aditya Dayal
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- Joseph L. Hora
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- Giovanni Fazio
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- Lynne K. Deutsch
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- William F. Hoffmann
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Nicolaus Copernicus Astronomical Center, Toruń, Poland
Ryszard Szczerba & Sławomir K. Górny &
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© 2001 Springer Science+Business Media Dordrecht
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Ueta, T. et al. (2001). Spatial Distributions of Multiple Dust Components in the PPN/PN Dust Shells. In: Szczerba, R., Górny, S.K. (eds) Post-AGB Objects as a Phase of Stellar Evolution. Astrophysics and Space Science Library, vol 265. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9688-6_54
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DOI: https://doi.org/10.1007/978-94-015-9688-6_54
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-5758-7
Online ISBN: 978-94-015-9688-6
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