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Mid- and far-infrared emission bands in C-rich proto-planetary nebulaeThe 16-48 micron spectra of five carbon-rich post-asymptotic giant branch (post-AGB) objects known to have an unidentified 21 micron feature in their IRAS low resolution spectrometer (LRS) spectra have been obtained using the Kuiper Airborne Observatory. A broad emission band extending from 24 to approximately 45 microns is present in the spectra of these objects. The strength of this band is variable from source to source and is not correlated with the strength of the 21 micron band. The possible identifications for the emitting material of both the 21 and 30 micron emission bands is discussed.
Document ID
19960003669
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Omont, A. (Institut d'Astrophysique Paris, France)
Cox, P. (Observatoire de Marseille France)
Moseley, S. Harvey (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Glaccum, W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Casey, Sean (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Forveille, T. (Observatoire de Grenoble Grenoble, France)
Szczerba, R. (Calgary Univ. Alberta., Canada)
Chan, Kin-Wing (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1995
Publication Information
Publication: Astronomical Society of the Pacific, Airborne Astronomy Symposium on the Galactic Ecosystem: From Gas to Stars to Dust, Volume 73
Subject Category
Space Radiation
Accession Number
96N13679
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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