Thanks for the paper Ken.
A back of the envelope calculation using the ESO phase data reveals the spectra gathered on 18th March is about 2 days out when the transit of the primary star occurred.
A worksheet illustrating the transit dates for the primary and secondary star for the next few months will provide a window of opportunity for taking spectra.
Taking spectra on the primary and secondary transit dates might take care of of the Planck curve dilemma.
Steven
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