value	unc_up	unc_lo	author	ref	method
38.62	nan	nan	Vander Haagen	2011MPBu...38...10V	Lightcurve
38.69	nan	nan	Skiff	2012MPBu...39..111S	Lightcurve
38.71	nan	nan	Skiff	2019MPBu...46..238S	Lightcurve