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Photometric Modeling of Mass-losing C-type Miras
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Astrophysics.
2011 (English)In: Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants, 2011, Vol. 445Conference paper, Published paper (Refereed)
Abstract [en]

Based on dynamic model atmospheres for Mira variables with carbon-rich atmospheric chemistry we have calculated synthetic spectra and photometry for standard broadband filters from the visual to the near-infrared. The modeling allows us to study in detail the influence of two effects characteristic of such objects: (i) the pulsation of the stellar interior, and (ii) the dusty circumstellar envelope resulting from an outflow containing grains of amorphous carbon. A comparison with observational data shows that the models used describe the outer layers of pulsating, mass-losing AGB stars reasonably well.

Place, publisher, year, edition, pages
2011. Vol. 445
Series
Astronomical Society of the Pacific Conference Series
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-170174OAI: oai:DiVA.org:uu-170174DiVA: diva2:508577
Conference
Astronomical Society of the Pacific Conference Series, 445
Available from: 2012-03-09 Created: 2012-03-09 Last updated: 2012-10-18

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Höfner, Susanne

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