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Detached Shells of Dust and Gas around Carbon Stars
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Astrophysics.
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2011 (English)In: Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants, 2011, Vol. 445Conference paper, Published paper (Refereed)
Abstract [en]

We present observations of dust-scattered light of the carbon stars U Ant, R Scl, and U Cam taken with the EFOSC2 camera on the ESO 3.6-m telescope and the ACS on the Hubble Space Telescope. The observations show the detached shells around these stars in unprecedented detail, revealing a distinctively clumpy structure in the HST images of R Scl, and a separation of the dust and gas in the ground-based data for U Ant. This allows us to investigate the detached shells and their origin with exceptional precision.

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-169745OAI: oai:DiVA.org:uu-169745DiVA: diva2:507834
Conference
Why Galaxies Care about AGB Stars II, Vienna, August 16-20 2010
Available from: 2012-03-06 Created: 2012-03-05 Last updated: 2012-10-16

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Eriksson, Kjell

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