value	unc_up	unc_lo	author	ref	method
6.70	nan	nan	Lagerkvist	1978A&AS...31..361L	Lightcurve
6.89	nan	nan	Benishek	2018MPBu...45...82B	Lightcurve
6.89	nan	nan	Dose	2021MPBu...48...69D	Lightcurve
6.89	nan	nan	Durech	2019A&A...631A...2D	Model
6.89	nan	nan	Polakis	2021MPBu...48...23P	Lightcurve