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20092026
most citedThe evolution of the high-energy cut-off in the X-Ray spectrum of the GX 339-4 across a hard-to-soft transition

152 citations · 268 across the 10 of their papers we have counts for

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astro-ph.HE2015★ 19 cited

Spectral variability in Swift and Chandra observations of the Ultraluminous source NGC 55 ULX1

F. Pintore, P. Esposito, L. Zampieri +2

NGC 55 ULX1 is a bright Ultraluminous X-ray source located 1.78 Mpc away. We analysed a sample of 20 Swift observations, taken between 2013 April and August, and two Chandra observ…