value unc_up unc_lo author ref method 2.91 nan nan Ferrero 2016MPBu...43..320F Lightcurve 2.91 nan nan Zeigler 2016MPBu...43..199Z Lightcurve 2.91 nan nan Durech 2019A&A...631A...2D Model 2.91 nan nan Durech 2018A&A...620A..91D Model