2 papers
astro-ph.HE2026
A new Chandra look at the globular cluster NGC 6540 and its peculiar X-ray flaring source
A. Sacchi, S. Mereghetti, R. Di Stefano +4
We report the results of a deep ( ks) Chandra exposure of the globular cluster NGC 6540, obtained by combining three observations carried out in 2023-2024 to investigate…
astro-ph.HE2025
Stellar flare detection in XMM-Newton with gradient boosted trees
Mario Pasquato, Martino Marelli, Andrea De Luca +5
The EXTraS project, based on data collected with the XMM-Newton observatory, provided us with a vast amount of light curves for X-ray sources. For each light curve, EXTraS also pro…