Timing Analysis of Bright Pulsars with Nine Years of DAMPE Data

Based on nine years of flight data from the DArk Matter Particle Explorer (DAMPE) and a novel gamma-ray selection algorithm developed in previous work, we recalculate the instrument response functions (IRFs) in the 1–104 GeV energy range. We present PSF-weighted phase-folded light curves of the bright gamma-ray pulsars Vela and Geminga, obtained with an extended version of the PINT Is Not TEMPO2 (PINT) software adapted to our analysis needs. This work lays the groundwork for further refinement of the IRFs through pulsar analyses, improving DAMPE’s performance for gamma-ray astronomy and searches for potential dark-matter signatures.