Observation of the Crab Nebula and Galactic Center with the improved HAWC reconstruction algorithm

Ground-based detectors indirectly observe gamma rays by detecting the secondary products of the Extensive Air Shower (EAS). The performance of such detectors is mainly shaped by the methodologies and algorithms employed when reconstructing events using only the footprint left on the ground. The High Altitude Water Cherenkov Gamma-ray Observatory (HAWC) has been operating since 2015 in Mexico. HAWC recently improved numerous stages of its reconstruction algorithm, from the initial noise suppression cleaning to the final gamma/hadron separation. Here, we go through the main changes in the reconstruction steps and verify the overall performance improvement by observing the Crab Nebula and the Galactic center.