value quality siderealorsynodic author ref method 4.4090 2 Sidereal Durech 2020A&A...643A..59D Model 4.4090 2 Sidereal Durech 2018A&A...617A..57D Model 4.4500 3 Synodic Behrend LCDB Lightcurve 4.4560 3 Synodic Behrend LCDB Lightcurve 4.4620 3 Synodic Behrend LCDB Lightcurve