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Binary Micro-Parallax Effects

Published online by Cambridge University Press:  25 May 2016

S.J. Hardy  and
M.A. Walker
S.J. Hardy
Affiliation:
Research Centre for Theoretical Astrophysics, School of Physics A28, University of Sydney, NSW 2006, Australia Internet: S.Hardy@physics.usyd.edu.auM.Walker@physics.usyd.edu.au
M.A. Walker
Affiliation:
Research Centre for Theoretical Astrophysics, School of Physics A28, University of Sydney, NSW 2006, Australia Internet: S.Hardy@physics.usyd.edu.auM.Walker@physics.usyd.edu.au

Extract

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Of the large number of microlensing events detected towards the galactic bulge, there has been at least one clear case of a binary lens system, the OGLE 7 event. If this event had been observed simultaneously from three 1 m class ground-based telescopes during its second caustic crossing, an identification of the lens as a bulge or disk object and a determination of the orientation of the lens velocity on the sky could have been made.

Type
Chapter 7: Microlensing In the Galaxy
Information
Symposium - International Astronomical Union , Volume 173: Astrophysical Applications of Gravitational Lensing , 1996 , pp. 231 - 232
Copyright
Copyright © Kluwer 1996 

References

Hardy, S.J., & Walker, M.A., 1995, MNRAS, in press Google Scholar
Mao, S., & Paczyński, B, 1991, ApJL, 374, L37 CrossRefGoogle Scholar