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Chromatic and Spectroscopic Signatures Of Microlensing Events

Published online by Cambridge University Press:  25 May 2016

David Valls-Gabaud
David Valls-Gabaud*
Affiliation:
URA CNRS 1280, Observatoire de Strasbourg, 11, Rue de l'Université, 67000 Strasbourg, France

Abstract

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We predict that chromatic and spectroscopic effects are likely to appear for a significant fraction of microlensing events. Differential amplification across a stellar disc produces a time and wavelength dependent signature which constrains the parameters of the lenses and can be used for 3-D mapping of stellar atmospheres.

Type
Chapter 7: Microlensing In the Galaxy
Information
Symposium - International Astronomical Union , Volume 173: Astrophysical Applications of Gravitational Lensing , 1996 , pp. 237 - 238
Copyright
Copyright © Kluwer 1996 

References

Valls–Gabaud, D., 1994, in the 11th Potsdam Cosmology Meeting, eds. Mücket, J. et al., in press Google Scholar
Valls–Gabaud, D., 1995, A&A, in press Google Scholar