Microlensing implications for halo dark matter
Astrophysics
2007-05-23 v1
Abstract
The observations of microlensing events in the Large Magellanic Cloud suggest that a sizable fraction ( 50%) of the galactic halo is in the form of MACHOs (Massive Astrophysical Compact Halo Objects) with an average mass , assuming a standard spherical halo model. We describe a scenario in which dark clusters of MACHOs and cold molecular clouds (mainly of ) naturally form in the halo at galactocentric distances larger than 10--20 kpc.
Cite
@article{arxiv.astro-ph/9708235,
title = {Microlensing implications for halo dark matter},
author = {F. De Paolis and Ph. Jetzer and G. Ingrosso and M. Roncadelli},
journal= {arXiv preprint arXiv:astro-ph/9708235},
year = {2007}
}
Comments
3 pages, to appear in Proceedings of the 8th Marcel Grosmann Meeting on relativistic Astrophysics, Jerusalem, 22-27 June 1997