EXTraS discovery of a peculiar flaring X-ray source in the Galactic globular cluster NGC 6540
Sandro Mereghetti, Andrea De Luca, David Salvetti, Andrea Belfiore, Martino Marelli, Adamantia Paizis, Michela Rigoselli, Ruben Salvaterra, Lara Sidoli and Andrea Tiengo
A&A, 616 (2018) A36
DOI: https://doi.org/10.1051/0004-6361/201833086