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To be or not to be asymmetric?: VLTI and the mass loss geometry of red giants
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Astrophysics.
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2012 (English)In: Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 2012, Vol. 8445Conference paper, Published paper (Refereed)
Abstract [en]

The mass-loss process is a key ingredient for our understanding in many fields of astrophysics, including stellar evolution and the enrichment of the interstellar medium (ISM) via stellar yields. We combined the capability of the VLTI/MIDI and VLT/VISIR instruments with very recent Herschel/PACS observations to characterize the geometry of mass loss from evolved red giants on the Asymptotic Giant Branch (AGB) at various scales. This paper describes the sample of objects, the observing strategy, the tool for the interpretation, and preliminary MIDI results for two targets: U Ant and θs Aps.

Place, publisher, year, edition, pages
2012. Vol. 8445
Series
Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 8445
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-196848DOI: 10.1117/12.926380OAI: oai:DiVA.org:uu-196848DiVA: diva2:610952
Conference
Society of Photo-Optical Instrumentation Engineers (SPIE) Conference
Available from: 2013-03-13 Created: 2013-03-13 Last updated: 2013-10-02Bibliographically approved

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Theoretical Astrophysics
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