12 September 2012 To be or not to be asymmetric? VLTI and the mass loss geometry of red giants
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Abstract
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 θ Aps.
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Claudia Paladini, Claudia Paladini, Daniela Klotz, Daniela Klotz, Stephane Sacuto, Stephane Sacuto, Josef Hron, Josef Hron, Markus Wittkowski, Markus Wittkowski, Eric Lagadec, Eric Lagadec, Tijl Verhoelst, Tijl Verhoelst, Alain Jorissen, Alain Jorissen, Andrea Richichi, Andrea Richichi, Martin Groenewegen, Martin Groenewegen, Hans Olofsson, Hans Olofsson, Franz Kerschbaum, Franz Kerschbaum, } "To be or not to be asymmetric? VLTI and the mass loss geometry of red giants", Proc. SPIE 8445, Optical and Infrared Interferometry III, 84451R (12 September 2012); doi: 10.1117/12.926380; https://doi.org/10.1117/12.926380
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