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Red Noise–based False Alarm Thresholds for Astrophysical Periodograms via Whittle’s Approximation to the Likelihood

  • Authors: Amna Ejaz, Sarah Dodson-Robinson, Charlotte Haley

Amna Ejaz et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 7.

α Cen B ﹩\mathrm{log}{R}_{\mathrm{HK}}^{{\prime} }﹩ data from X. Dumusque et al. (2012; blue stars) and the same dataset with an added periodic signal (orange dots) with a period of 3 days (Equation (12)).

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