Plot the light curve as a river plot.
A river plot uses colors to represent the light curve values in
chronological order, relative to the period of an interesting signal.
Each row in the plot represents a full period cycle, and each column
represents a fixed phase. This type of plot is often used to visualize
Transit Timing Variations (TTVs) in the light curves of exoplanets, but
it can be used to visualize periodic signals of any origin.
All extra keywords supplied are passed on to Matplotlib’s
The matplotlib axes object.
Period at which to fold the light curve
Phase mid point for plotting. Defaults to the first time value.
How many points should be in each bin.
The minimum phase to plot.
The maximum phase to plot.
The river method. Choose from 'mean' or 'median' or 'sigma'.
If 'mean' or 'median', the plot will display the average value in each bin.
If 'sigma', the plot will display the average in the bin divided by
the error in each bin, in order to show the data in terms of standard
Dictionary of arguments to be passed on to Matplotlib’s