Spitzer phase curves of the eight exoplanets (gray, binned in black) fit with the h_mℓ basis (red), plotted in order of equilibrium temperature (low to high from top left to bottom right). Each planet is plotted with the IRAC Channel 1 phase curve in the first and third row and the Channel 2 phase curve in the second and fourth row (see row labels on the right side). Maximum likelihood parameters for each fit are listed in Table 3. Residuals are plotted beneath each fit with a histogram of residuals on the left.