Speaker
Description
Identification of cosmic-ray (CR) accelerators, especially those that can accelerate protons up to PeV regime (namely, PeVatrons), is one of major goals of high-energy astrophysics and plays a crucial role in understanding the origin of Galactic CRs. In this contribution, we report the LHAASO obsesrvation on an intriguing SNR-PWN complex consisting of the famous PeVatron candidate SNR G106.3+2.7 and the Boomerang Nebula powered by a very energetic pulsar with a spindown luminsoity of 2.2e37erg/s. As multiple ultrahigh-energy gamma-ray sources being resolved around the SNR-PWN complex, it is definitely one of the most dynamic regions processing extreme particle acceleration in our Galaxy. The origin of the detected TeV-PeV gamma-ray emission is discussed.
