Browsing by Author "Di Salvo, T."

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    • Examining the nature of the ultraluminous X-ray source Holmberg II X-1 

      Barra, F.; Pinto, C.; Middleton, M.; Di Salvo, T.; Walton, D. J.; Gúrpide, A.; Roberts, T. P. (2024-02-06)
      We present a comprehensive spectral analysis of the ultraluminous X-ray source Holmberg II X-1 using broadband and high-resolution X-ray spectra taken with the XMM-Newton satellite over a period of 19 yr, taking advantage ...