The Milky Way Halo

The Milky Way Halo (MWH) is postulated as a spherical symmetric halo to the first-order approximation. At least some (if not all) fractions of MWH have a temperature of ∼ 0.1 − 0.2 keV. Similar to the LHB, the metallicity of the MWH is largely unknown due to the lack of high-resolution X-ray spectra. Moreover, a hotter component with a temperature of ∼0.7 keV accompanied by a super-solar Ne/O abundance ratio has also been suggested. Such a component is not expected within the framework of a single-temperature hot Galactic halo. If this component is verified with DIXE observations, we will further investigate if it originates from M dwarf stars in the Galactic disk or if it is part of a two-temperature Galactic halo.