value quality siderealorsynodic author ref method 4.9260 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.9267 3 Synodic Behrend LCDB Lightcurve 4.9270 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.9271 2 Sidereal Durech 2020A&A...643A..59D Model