Galaxies
(Oct 2018)
Infrared Observations of the Asymmetric Mass Loss of an AGB Star
Foteini Lykou,
Albert A. Zijlstra,
Jacques Kluska,
Eric Lagadec,
Peter G. Tuthill,
Adam Avison,
Barnaby R. M. Norris,
Quentin A. Parker
Affiliations
Foteini Lykou
Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China
Albert A. Zijlstra
Jodrell Bank Centre for Astrophysics, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
Jacques Kluska
Institute for Astronomy, KU Leuven, Celestijnenlaan 200D B2401, 3001 Leuven, Belgium
Eric Lagadec
Observatoire de la Côte d’Azur, Laboratoire Lagrange, Université Côte d’Azur, 06304 Nice, France
Peter G. Tuthill
Sydney Institute of Astronomy, School of Physics, The University of Sydney, Camperdown, NSW 2006, Australia
Adam Avison
Jodrell Bank Centre for Astrophysics, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
Barnaby R. M. Norris
Sydney Institute of Astronomy, School of Physics, The University of Sydney, Camperdown, NSW 2006, Australia
Quentin A. Parker
Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China
DOI
https://doi.org/10.3390/galaxies6040108
Journal volume & issue
Vol. 6,
no. 4
Abstract
Read online
We report on the observations of the circumstellar envelope of the AGB star II Lup in the near- and mid-infrared with the use of direct imaging and interferometric techniques. Our findings indicate that the circumstellar envelope is not spherically symmetric and that the majority of the emission originates within 0.5 arcsec from the star.
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