论文标题
银河系暗光晕的密度曲线受到Ogle微透明天空图的约束
The density profile of Milky Way dark matter halo constrained from the OGLE microlensing sky map
论文作者
论文摘要
我们报告了282 $^{+34} _ { - 31} $ PC大小的核心在银河系中心的$ 68 \％$置信度的检测，该核心通过使用光学重力镜头镜头（OGE）调查的微镜量事件速率Sky速率数据来检测。我们应用微透明的天空图的空间信息，并使用详细的银色方法暗物质芯/尖型元素剖面，以及以迷你暗物质结构的形式（mdms，$ f _ {\ rm mdms} =ω_ {\ rm mdms}/g rm mmdms}/e.原始的黑洞，地球苏巴洛斯，浮动行星等。我们发现，此天空图可以限制$ f _ {\ rm mdms} $和核心大小同时而没有强大的堕落，同时完全考虑了来自凸起和磁盘的银河系恒星组件的质量功能。
We report the detection of a 282 $^{+34}_{-31}$ pc-sized core in the center of Milky Way dark matter halo at $68\%$ confidence level by using the micro-lensing event rate sky map data from the Optical Gravitational Lensing Experiment (OGLE) survey. We apply the spacial information of the microlensing sky map and model it with the detailed Milky Way dark matter halo Core/Cusp profile, and the fraction of dark matter in the form of Mini Dark Matter Structure (MDMS, $f_{\rm MDMS}=Ω_{\rm MDMS}/Ω_{\rm DM}$), e.g. primordial black hole, earth-mass subhalos, floating planets and so on. We find that this sky map can constrain both $f_{\rm MDMS}$ and the core size simultaneously without strong degeneracy while fully considering mass function of Milky Way stellar components from both the bulge and disk.
