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ISOSWS Spectral Variations of Oxygen-Rich Miras

Published online by Cambridge University Press:  25 May 2016

M. J. Creech-Eakman  and
R. E. Stencel
M. J. Creech-Eakman
Affiliation:
California Institute of Technology, MS 150-21, Pasadena, CA 91125, USA University of Denver, Dept. of Physics and Astronomy, Denver, CO 80208, USA
R. E. Stencel
Affiliation:
University of Denver, Dept. of Physics and Astronomy, Denver, CO 80208, USA

Abstract

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In conjunction with an extensive ground-based monitoring program of 32 oxygen-rich Mira variables, a subset of this sample has been monitored with phase using ISO's Short Wavelength Spectrometer (ISOSWS) and ground-based mid-infrared spectrometers. Some of the six sources will be presented here in 2.5–45 μm ISOSWS spectra and 7.5–13.5 μm ground-based spectra using CGS3. Discussion of the spectral features of SiO, CO, H2O, and silicates will be presented. These data are considered in the context of recent demonstrations of variations in the spectral features with phase of the Miras.

Type
Part 3. Formation, Composition, and Processing of Dust
Information
Symposium - International Astronomical Union , Volume 191: Asymptotic Giant Branch Stars , 1999 , pp. 245 - 250
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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