value quality siderealorsynodic author ref method 4.1740 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.1754 2 Sidereal Durech 2023A&A...675A..24D Model 4.1850 2 Synodic Waszczak 2015AJ....150...75W Lightcurve