value unc_up unc_lo author ref method 8.50 nan nan Behrend LCDB Lightcurve 98.45 nan nan Durech 2019A&A...631A...2D Model 98.46 nan nan Durech 2023A&A...675A..24D Model 98.53 nan nan Marchini 2021MPBu...48..330M Lightcurve