value	unc_up	unc_lo	author	ref	method
5.90	nan	nan	Warner	2010MPBu...37..112W	Lightcurve
5.90	nan	nan	Brinsfield	2010MPBu...37...50B	Lightcurve
5.91	nan	nan	Waszczak	2015AJ....150...75W	Lightcurve