Figure 5 from TESS Full Orbital Phase Curve of the WASP-18b System

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TESS Full Orbital Phase Curve of the WASP-18b System

Authors: Avi Shporer, Ian Wong, Chelsea X. Huang, Michael R. Line, Keivan G. Stassun, Tara Fetherolf, Stephen R. Kane, Luke G. Bouma, Tansu Daylan, Maximilian N. Güenther, George R. Ricker, David W. Latham, Roland Vanderspek, Sara Seager, Joshua N. Winn, Jon M. Jenkins, Ana Glidden, Zach Berta-Thompson, Eric B. Ting, Jie Li, and Kari Haworth

2019 The Astronomical Journal 157 178.

Provider: AAS Journals

Caption: Figure 5.

Long-term (left panel) and short-term (right panel) TTV search. Both panels show the residual timing after subtracting the linear ephemeris fitted to the decade-long transit timing data set listed in Table 3. In the left panel, the best-fit constant-period model (blue) and derivative model (orange) provide comparable fits to the data, but the latter model has one extra free parameter. In the right panel, the blue curves are fair samples drawn from the posterior of a quasi-periodic model used to fit the measured timing residuals.

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