Table 3
Best-fit values and 1σ uncertainties derived from our four approaches.
| Parameter | M1 | M2 | M3 | M4 | Beatty et al. (2019) |
|---|---|---|---|---|---|
| (Spitzer, 3.6/4.5 μm) | |||||
| ED | 308 ± 69 | 304 ± 75 | 320 ± 69 | 327 ± 72 | − |
| c0 (ppm) | −284 ± 29 | −298 ± 32 | −279 ± 38 | −286 ± 27 | − |
| c1 (ppm) | −46.6 ± 22.3 | −42.4 ± 20.8 | −57.4 ± 25.4 | −44.6 ± 22.3 | − |
| c2 (ppm) | 122.4 ± 29.0 | 121.6 ± 27.9 | 119.8 ± 28.9 | 129.0 ± 28.1 | − |
| Aspots (ppm) | 195.3 ± 23.8 | 195.3 ± 23.5 | 194.2 ± 23.6 | 194.5 ± 23.1 | − |
| ϕspots (2π) | 0.04 ± 0.01 | 0.05 ± 0.02 | 0.05 ± 0.02 | 0.05 ± 0.02 | − |
| A | 131.1 ± 28.4 | 128.7 ± 27.2 | 132.9 ± 28.2 | 136.5 ± 27.5 | 959 ± 41 |
| ϕoff (°) | −20.8 ± 9.9 | −19.2 ± 9.6 | −25.6 ± 11.3 | −19.1 ± 9.6 | −28.6 ± 3.8 |
| MP (MJ) | 27.23 | 27.23 | 22.1 ± 3.4 | 27.2 ± 0.5 | 27.23 ± 0.50 |
| T0 (K) | 3424 ± 51 | 3407 ± 69 | 3528 ± 157 | 3395 ± 54 | 3391 ± 31 |
| Tϵ=0 (K) | 3094 ± 25 | 3079 ± 28 | 3188 ± 83 | 3067 ± 23 | 3064 ± 28 |
| Tday (K) | 3209 ± 141 | 3201 ± 147 | 3213 ± 136 | 3247 ± 134 | 2988 ± 60/2902 ± 74 |
| BIC | 5215.7 | 5215.4 | 5227.1 | 5225.2 | – |
Notes. From top to bottom, we show the eclipse depth, ED, the coefficients accompanying the phase curve model (c0, c1, and c2), and those with the stellar activity model, Aspots and ϕspots. In addition, the amplitude of the phase curve, A, the offset between the region of maximum brightness and the sub-stellar point, ϕoff, the irradiation temperature, To, the temperature of the day side in the no-albedo, no-circulation limit, T(ϵ = 0), and the day- and night-side temperatures, Tday and Tnight, respectively. The last row shows the BIC, and the last column specifies relevant values obtained by Beatty et al. (2019). Two values separated by a slash correspond to the Spitzer bandpass of 3.6 and 4.5 μm, respectively.
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