Figure 1 from Maximum Likelihood Fitting of X-Ray Power Density Spectra: Application to High-frequency Quasi-periodic Oscillations from the Neutron Star X-Ray Binary 4U1608-522

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Maximum Likelihood Fitting of X-Ray Power Density Spectra: Application to High-frequency Quasi-periodic Oscillations from the Neutron Star X-Ray Binary 4U1608-522

Authors: Didier Barret and Simon Vaughan

Barret & Vaughan 2012 The Astrophysical Journal 746 131.

Provider: AAS Journals

Caption: Figure 1.

MLE fit of one single 16 s PDS (center panel), together with the curves for the estimate of the QPO frequency (left and right panels). Despite a very noisy PDS, the MLE picks up the QPO at the right frequency (835.08 Hz assumed in the simulation). The 1σ error on the QPO frequency is only about 0.4 Hz.

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