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Rapid Orbital Decay in the Ultracompact Double-degenerate Binary eRASSU J060839.5–704014

  • Authors: Rahul Sharma, Chandreyee Maitra, Frank Haberl, Joheen Chakraborty, Susanne Friedrich, Yong-Feng Huang, Chichuan Jin, Zhaosheng Li, Georgios Vasilopoulos, Yanjun Xu, Haonan Yang, Weimin Yuan

Rahul Sharma et al 2026 The Astrophysical Journal Letters 1007 .

  • Provider: AAS Journals

Caption: Figure 2.

Spectral fit of eRASSU J060839.5–704014 using NICER (left) and EP-FXT (right) modeled with absorbed blackbody emission. The background contribution for NICER was modeled with SCORPEON. The colored bands enclose 99% posterior uncertainties on the model at each energy. The spectra are rebinned for plotting purposes.

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