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ISO Observations of AGB Stars in the Small Magellanic Cloud

Published online by Cambridge University Press:  25 May 2016

J.A.D.L. Blommaert ,
M.A.T. Groenewegen ,
M. R. Cioni ,
H. J. Habing ,
J.Th. van Loon  and
N. R. Trams
J.A.D.L. Blommaert
Affiliation:
ISO Data Centre, Astrophysics Division of ESA, Villafranca, PO Box 50727, E-28080 Madrid, Spain
M.A.T. Groenewegen
Affiliation:
Max-Planck-Institut für Astrophysik, Garching, Germany
M. R. Cioni
Affiliation:
Sterrewacht Leiden, Leiden, The Netherlands
H. J. Habing
Affiliation:
Sterrewacht Leiden, Leiden, The Netherlands
J.Th. van Loon
Affiliation:
Astronomisch Instituut, Univ. van Amsterdam, The Netherlands
N. R. Trams
Affiliation:
ESTEC, Astrophysics Division of ESA, Noordwijk, The Netherlands

Abstract

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We used ISOCAM and ISOPHOT to observe the spectral energy distribution between 3.6 and 60 μm of AGB stars in the Small Magellanic Cloud detected by IRAS. CAM-CVF spectra are made which enable us to establish the carbon- or oxygen-rich nature of the stars.

We are in the process of analysing this data using a radiative transfer model. This will provide us with accurate determinations of luminosity and mass loss rate. Combining the results on the SMC, LMC and Galaxy we hope to address the open question of the metallicity dependencies of the mass loss rate. This in turn is important in the ejection of matter by AGB stars into the interstellar medium.

Type
Part 2: The Database
Information
Symposium - International Astronomical Union , Volume 192: The Stellar Content of Local Group Galaxies , 1999 , pp. 95 - 99
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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