对银河系星际暗物质中马洛（MACHOs）的观测限制
天体物理学
2008-02-03 v2
摘要
我们提出了来自EROS首次阶段搜索结果，对银河系星际暗物质中马洛（MAssive Compact Halo Objects）进行的引力微透镜搜索的最终结果。该搜索灵敏于时间尺度在15分钟至200天之间，对应质量范围为1.e-7至几太阳质量的暗导体。观察到两个事件，与太阳质量约为0.1的物体进行微透镜相称。通过将结果与各种银河系模型的预期事件数进行比较，我们得出结论，银河系星际暗物质中质量范围为[1.e-7, 0.02]太阳质量的马洛构成不足20%（置信区间95%）。
引用
@article{arxiv.astro-ph/9612102,
title = {Observational Limits on Machos in the Galactic Halo},
author = {EROS collaboration and C. Renault and C. Afonso and E. Aubourg and P. Bareyre and F. Bauer and S. Brehin and C. Coutures and C. Gaucherel and J. F. Glicenstein and B. Goldman and M. Gros and D. Hardin and J. de Kat and M. Lachieze-Rey and B. Laurent and E. Lesquoy and C. Magneville and A. Milsztajn and L. Moscoso and N. Palanque-Delabrouille and F. Queinnec and J. Rich and M. Spiro and L. Vigroux and S. Zylberajch and R. Ansari and F. Cavalier and F. Couchot and B. Mansoux and M. Moniez and O. Perdereau and J. -Ph. Beaulieu and R. Ferlet and Ph. Grison and A. Vidal-Madjar and J. Guibert and O. Moreau and E. Maurice and L. Prevot and C. Gry and S. Char and J. Fernandez},
journal= {arXiv preprint arXiv:astro-ph/9612102},
year = {2008}
}
备注
4 pages, 3 Postscript figures, to be published in Astronomy & Astrophysics