Searching for the Galactic Dark Matter

Details Searching for the Galactic Dark Matter Searching for the Galactic Dark Matter

2001-07-04

arxiv.org/abs/astro-ph/0107079v1

Astronomy and Astrophysics

Astrophysics

To appear in proceedings of ``The Dark Universe: Matter, Energy and Gravity" held at the Space Telescope Science Institute Apr

Scientific paper

A straightforward interpretation of the MACHO microlensing results in the direction of the Magellanic Clouds suggests that an important fraction of the baryonic dark matter component of our Galaxy is in the form of old white dwarfs. If correct, this has serious implications for the early generations of stars that formed in the Universe and also on the manner in which galaxies formed and enriched themselves in heavy elements. I examine this scenario in some detail and in particular explore whether the searches currently being carried out to locate local examples of these MACHOs can shed any light at all on this scenario.

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