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2015•Astronomy and AstrophysicsOpen access

A new look at microlensing limits on dark matter in the Galactic halo

M. R. S. Hawkins

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Abstract

Context. The motivation for this paper is to review the limits set on the MACHO content of the Galactic halo by microlensing experiments in the direction of the Large Magellanic Cloud. This has been prompted by recent measurements of the Galactic rotation curve, which suggest that the limits have been biassed by the assumption of an over-massive halo.

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What this paper is about

Context. The motivation for this paper is to review the limits set on the MACHO content of the Galactic halo by microlensing experiments in the direction of the Large Magellanic Cloud. This has been prompted by recent measurements of the Galactic rotation curve, which suggest that the limits have been biassed by the assumption of an over-massive halo.

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Available abstract

Context. The motivation for this paper is to review the limits set on the MACHO content of the Galactic halo by microlensing experiments in the direction of the Large Magellanic Cloud. This has been prompted by recent measurements of the Galactic rotation curve, which suggest that the limits have been biassed by the assumption of an over-massive halo.

Key concepts: Gravitational microlensing, Galactic halo, Halo, Physics, Astrophysics, Dark matter, Dark matter halo, Large Magellanic Cloud

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