value quality siderealorsynodic author ref method 4.8120 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.8130 2 Sidereal Durech 2020A&A...643A..59D Model 4.8131 2 Sidereal Durech 2018A&A...617A..57D Model