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Testing LMC Microlensing Scenarios: The Discrimination Power of the SuperMACHO Microlensing Survey

Rest, Armin; Stubbs, Christopher W; Becker, Andrew C; Miknaitis, Gajus; Miceli, Anthony; Covarrubias, Ricardo; Hawley, Suzanne; Smith, R. Chris; Suntzeff, Nicholas B; Olsen, K; Prieto, Jose Luis; Hiriart, R; Welch, D L; Cook, Kem H; Nikolaev, S; Huber, M; Prochtor, G; Clocchiatti, Alejandro; Minniti, Dante; Garg, Armin; Challis, Peter M; Keller, Stefan; Schmidt, Brian

Description

Characterizing the nature and spatial distribution of the lensing objects that produce the previously measured microlensing optical depth toward the Large Magellanic Cloud (LMC) remains an open problem. We present an appraisal of the ability of the SuperMACHO Project, a next-generation microlensing survey directed toward the LMC, to discriminate between various proposed lensing populations. We consider two scenarios: lensing by a uniform foreground screen of objects and self-lensing by LMC...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/80207
Source: Astrophysical Journal, The
DOI: 10.1086/497060

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