value quality siderealorsynodic author ref method 4.2978 2 Sidereal Durech 2023A&A...675A..24D Model 4.2978 2 Sidereal Durech 2020A&A...643A..59D Model 4.2980 2 Synodic Waszczak 2015AJ....150...75W Lightcurve