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Title:
8-14 micron spectroscopy of carbon stars associated with silicate dust
Authors:
Levan, Paul D.; Sloan, G. C.; Little-Marenin, Irene R.; Grasdalen, G. L.
Affiliation:
AA(USAF, Phillips Laboratory, Hanscom AFB, MA), AB(Wyoming, University, Laramie), AC(Colorado, University, Boulder), AD(G-star Enterprises, Denver, CO)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 392, no. 2, June 20, 1992, p. 702-705. Research supported by USAF. (ApJ Homepage)
Publication Date:
06/1992
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
CARBON STARS, COSMIC DUST, INFRARED ASTRONOMY SATELLITE, INFRARED STARS, INTERSTELLAR MATTER, CARBON 12, CARBON 13, INFRARED SPECTRA, SILICATES, STELLAR COMPOSITION
DOI:
10.1086/171471
Bibliographic Code:
1992ApJ...392..702L

Abstract

Observations of 8-14-micron spectra of two known and two proposed silicate carbon stars are reported. These data confirm the positional association of BM Gem and V778 Cyg with the IRAS Low Resolution Spectrometer silicate spectra. Moderate silicate emission was discovered in the carbon star HD 189605. HD 100764 was not found to exhibit significant silicate emission.

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