First public GPU-accelerated pulse-profile modeling code for X-ray millisecond pulsars that delivers 10^3–10^4 speedups to 2–5 ms per evaluation at 10^{-3} relative accuracy and removes an interpolation bias in atmosphere tables.
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An intrinsic degeneracy in two-spot thermal X-ray pulse models creates multi-modal posteriors that can bias neutron star radius estimates by up to 30%.
citing papers explorer
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GPU-Accelerated X-ray Pulse Profile Modeling
First public GPU-accelerated pulse-profile modeling code for X-ray millisecond pulsars that delivers 10^3–10^4 speedups to 2–5 ms per evaluation at 10^{-3} relative accuracy and removes an interpolation bias in atmosphere tables.
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A Hidden Degeneracy in Two-Spot Models for Thermal X-Ray Pulse-Profile Fitting
An intrinsic degeneracy in two-spot thermal X-ray pulse models creates multi-modal posteriors that can bias neutron star radius estimates by up to 30%.