Surveys of the extragalactic Universe, from ultraviolet to infrared
wavelengths, have been extremely effective at piecing together a basic picture
of how stars in galaxies evolved throughout cosmic history. At X-ray
wavelengths, normal-galaxy emission (i.e., not due to AGN) is dominated by hot
gas and populations of X-ray binaries (XRBs). eROSITA is expected to detect
~10,000 normal galaxies...
Since its launch in 2012, NuSTAR, as the first imaging X-ray observatory to operate in the 3-80 keV band, has executed an observing program on normal and starburst galaxies, including several galaxies in the Local Group, through a combination of science team, Legacy project, and Guest Observer time. We report on recent results from a synthesis analysis of a dozen galaxies observed by NuSTAR,...
We present an analysis of the X-ray properties of all galaxies within a radius of 200 Mpc observed with XMM-Newton. These galaxies are the result of cross-correlation between the XMM-Newton archive and the HECATE catalogue, the most complete galaxy catalogue of the local Universe incorporating robust distances and stellar population parameters. In our analysis we use data from all objects...
Low mass, low metallicity starburst galaxies are of special interest for galaxy evolution, since they are not only laboratories for massive star evolution and feedback at low metallicity, but also the extreme end of energy input into a galacitic potential. In many ways they are the best proxies for the z ~ 6 to 10 protogalaxies, which are inaccessible to detailed observational studies.
The...
High mass X-ray binaries (HMXBs) offer a unique opportunity to study the physics of accretion in extreme environments and magnetic fields. In these systems, matter is accreted from a massive star onto a compact object which is usually a neutron star. A large number of HMXBs is found in the Magellanic Clouds, especially in the Small Magellanic Cloud (SMC). This is attributed to their ideal...
We will present diffuse X-ray background maps obtained with Solid-state Slit Camera (SSC) on board the MAXI mission for 2 years from 2009 to 2011, in energy bands of 0.7-1.0, 1.0-2.0, and 2.0-4.0 keV (arXiv:1912.01572). They are the first ones that were derived with a solid-state instrument, and to be compared with the previous ROSAT all sky survey result. While the SSC map in the highest...
