Investigating the mysterious nature of 1LHAASO J1740+0948u through deep <i>XMM-Newton</i> observations

Brunelli, Giulia; Ponti, G.; Zhang, Heshou; de Oña Wilhelmi, E.; Sguera, V.; Vignali, C.; Zanin, R.

doi:10.1051/0004-6361/202554761

Public

Investigating the mysterious nature of 1LHAASO J1740+0948u through deep XMM-Newton observations

Published in Astronomy and Astrophysics • Nov 28, 2025

Authors:

Giulia Brunelli

G. Ponti

Heshou Zhang

Abstract

Context. 1LHAASO J1740+0948u is a very-high-energy (VHE) source initially reported in the first catalogue by the LHAASO Collaboration, with no previous identifications and no counterpart at other wavelengths. It is detected by the KM2A instrument only, i.e. at energies above 25 TeV, with a 17.1σ sig...

Subject

Physics

Pulsar

Astrophysics

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