The 2nd LHAASO Symposium

"In recent years, the advent of LHAASO has revealed a wealth of information about ultra high energy (UHE) gamma-ray sources within our galaxy. This potentially reveals the locations of galactic PeVatrons, powerful accelerators of hadronic cosmic rays. However, the most common physical association of UHE gamma-ray sources to date is with energetic pulsars, known to be predominantly leptonic...

The Galactic diffuse emission (GDE) contains the whole information about the bulk of Galactic cosmic rays which are injected into the ISM and then propagate through the disk. The detection of interstellar emission directly tells us about the spatial and spectral distribution of the cosmic rays far from Earth. The comparison of the emission derived from gamma-ray observations with the emission...

The large-scale structures such as Fermi Bubbles and eROSITA Bubbles provide a unique opportunity to study our Milky Way. However, the nature and origin of these large structures are still under debate. In this talk, I will present the identification of several kpc-scale magnetised structures based on their polarized radio emission and their gamma-ray counterparts, which can be interpreted as...

Observations in the X-ray band provide a powerful tool for investigating the origin of ultra-high-energy sources, offering crucial insights into the synchrotron radiation these sources produce. In this review, I will highlight recent advancements in our understanding achieved through observations with the eROSITA telescope, focusing on its contributions to the study of large-scale diffuse...