value quality siderealorsynodic author ref method 39.5610 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 39.6320 2 Sidereal Durech 2023A&A...675A..24D Model 44.3322 2 Sidereal Durech 2018A&A...617A..57D Model