value quality siderealorsynodic author ref method 4.9860 2 Synodic Behrend LCDB Lightcurve 4.9851 2 Sidereal Durech 2020A&A...643A..59D Model 4.9857 2 Synodic Pal 2020ApJS..247...26P Lightcurve 4.9860 3- Synodic Behrend LCDB Lightcurve