value unc_up unc_lo author ref method 9.99 nan nan Durech 2023A&A...675A..24D Model 9.99 nan nan Athanasopoulos 2022A&A...666A.116A Model 9.99 nan nan Durech 2019A&A...631A...2D Model 9.99 nan nan Behrend LCDB Lightcurve