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The Relative Source-Lens Proper Motion in MACHO 98-SMC-1 from Observations by the PLANET Collaboration

Published online by Cambridge University Press:  25 May 2016

J. Menzies  and
PLANET Collaboration
J. Menzies
Affiliation:
SAAO, PO Box 9, Observatory, 7935, S Africa PLANET Collaboration

Abstract

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Following an alert by the MACHO group, the PLANET collaboration has made detailed follow-up observations of the microlensing event in the SMC, MACHO 98-SMC-l. The lens is a binary and in consequence it is possible to obtain the relative source-lens proper motion as the source crosses a caustic. Two acceptable models have been found to describe the source-lens configuration, both of which suggest that the lens cannot be in the halo of the Galaxy, but is most likely in the SMC itself.

Type
Part 2: The Database
Information
Symposium - International Astronomical Union , Volume 192: The Stellar Content of Local Group Galaxies , 1999 , pp. 116 - 118
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

Albrow, et al. (The PLANET Group). 1999, ApJ, 512, in press (astro-ph:9807086) Google Scholar