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Observations of the Binary Microlens Event MACHO 98-SMC-1 by the Microlensing Planet Search Collaboration

Rhie, S.; Becker, Andrew C; Bennett, D P; Fragile, P C; Johnson, B Ronald; King, Lynette J; Peterson, Bruce; Quinn, J M W

Description

We present observations of the binary lensing event MACHO 98-SMC-1 conducted at the Mount Stromlo 1.9 m telescope by the Microlensing Planet Search (MPS) collaboration. The MPS data constrain the first caustic crossing to have occurred after 1998 June 5.55 UT and thus directly rule out one of the two fits presented by the PLANET collaboration (model II). This substantially reduces the uncertainty in the relative proper-motion estimations of the lens object. We perform joint binary microlensing...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
URI: http://hdl.handle.net/1885/94486
Source: Astrophysical Journal, The

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