Figure 4 from AD Leonis: Radial Velocity Signal of Stellar Rotation or Spin

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AD Leonis: Radial Velocity Signal of Stellar Rotation or Spin–Orbit Resonance?

Authors: Mikko Tuomi, Hugh R. A. Jones, John R. Barnes, Guillem Anglada-Escudé, R. Paul Butler, Marcin Kiraga, and Steven S. Vogt

2018 The Astronomical Journal 155 192.

Provider: AAS Journals

Caption: Figure 4.

Logarithm of the likelihood ratio periodogram of the ASAS-N (left panels) and ASAS-S (right panels) V-band photometry of AD Leo when accounting for the long-period variability seen in Figure 2. The bottom panels show the residual periodogram after subtracting the strongest periodic signal. The red (black) filled circles denote the maxima exceeding the 5% (0.1%) FAP threshold.

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