Dust around Mira variables. An analysis of IRAS LRS spectra.

Details Dust around Mira variables. An analysis of IRAS LRS spectra. Dust around Mira variables. An analysis of IRAS LRS spectra.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989iaus..135p.527s&link_type=abstract

IAU Symposium No. 135: Interstellar dust: contributed papers, p. 527 - 528

Physics

Mira Stars: Dust Shells

Scientific paper

The spatial extend and spectral appearance of the thin dust shell around Mira variables is determined largely by the dust absorptivity Qabs(λ) and the dust condensation temperature Tcond. In the present work, the author tries to extract both Qabs(λ) and Tcond from IRAS LRS spectra. He finds that Tcond decreases with decreasing strength of the 10 μm feature, from Tcond = 1000K to Tcond = 500K (estimated error 20%).

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