value unc_up unc_lo author ref method 3.92 nan nan Behrend LCDB Lightcurve 3.92 nan nan Durech 2023A&A...675A..24D Model 3.92 nan nan Pal 2020ApJS..247...26P Lightcurve 3.92 nan nan Ferrero 2010MPBu...37..145F Lightcurve