value unc_up unc_lo author ref method 3.28 nan nan Durech 2020A&A...643A..59D Model 3.28 nan nan Durech 2023A&A...675A..24D Model 3.28 nan nan Waszczak 2015AJ....150...75W Lightcurve 3.28 nan nan Higgins 2006MPBu...33...89H Lightcurve