Abstract
Time variation of mid-infrared (MIR) spectra of M-type Mira variables has been investigated by ISO/SWS observations of Z Cyg and T Cep. The variation in the Z Cyg spectrum can be accounted for by the variation in the stellar luminosity, if appropriate dust emissivity parameters are adopted. No apparent variation in the spectral shape despite of the intensity variation suggests that emission from high-temperature grains dominates in the MIR spectrum of T Cep
Based on observations with ISO, an ESA project with instruments funded by ESA Member States (especially the PI countries: France, Germany, the Netherlands and the United Kingdom) and with the participation of ISAS and NASA
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References
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© 2003 Springer Science+Business Media Dordrecht
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Onaka, T., de Jong, T., Yamamura, I. (2003). Time Variation of Mid-Infrared Spectra of M-Type Mira Variables. In: Nakada, Y., Honma, M., Seki, M. (eds) Mass-Losing Pulsating Stars and their Circumstellar Matter. Astrophysics and Space Science Library, vol 283. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0139-7_62
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DOI: https://doi.org/10.1007/978-94-010-0139-7_62
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