value unc_up unc_lo author ref method 19.07 nan nan Waszczak 2015AJ....150...75W Lightcurve 19.20 nan nan Durech 2020A&A...643A..59D Model 19.20 nan nan Durech 2023A&A...675A..24D Model 19.21 nan nan Pal 2020ApJS..247...26P Lightcurve 19.23 nan nan Caspari 2010MPBu...37R.107C Lightcurve