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Galaxies 2018, 6(4), 108; https://doi.org/10.3390/galaxies6040108

Infrared Observations of the Asymmetric Mass Loss of an AGB Star

1
Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China
2
Laboratory for Space Research, The University of Hong Kong, 100 Cyberport Road, Cyberport, Hong Kong, China
3
Jodrell Bank Centre for Astrophysics, The University of Manchester, Oxford Road, Manchester M13 9PL, UK
4
Institute for Astronomy, KU Leuven, Celestijnenlaan 200D B2401, 3001 Leuven, Belgium
5
School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, UK
6
Observatoire de la Côte d’Azur, Laboratoire Lagrange, Université Côte d’Azur, 06304 Nice, France
7
Sydney Institute of Astronomy, School of Physics, The University of Sydney, Camperdown, NSW 2006, Australia
*
Author to whom correspondence should be addressed.
Received: 31 July 2018 / Revised: 9 October 2018 / Accepted: 9 October 2018 / Published: 12 October 2018
(This article belongs to the Special Issue Asymmetric Planetary Nebulae VII)
Full-Text   |   PDF [294 KB, uploaded 12 October 2018]   |  

Abstract

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. View Full-Text
Keywords: infrared interferometry; AGB stars; stellar evolution; observations; aperture masking infrared interferometry; AGB stars; stellar evolution; observations; aperture masking
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Lykou, F.; Zijlstra, A.A.; Kluska, J.; Lagadec, E.; Tuthill, P.G.; Avison, A.; Norris, B.R.M.; Parker, Q.A. Infrared Observations of the Asymmetric Mass Loss of an AGB Star. Galaxies 2018, 6, 108.

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