value quality siderealorsynodic author ref method 5.7084 2 Sidereal Durech 2023A&A...675A..24D Model 5.7095 2 Synodic Pal 2020ApJS..247...26P Lightcurve 5.7330 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 5.7500 2 Synodic Chang 2014ApJ...788...17C Lightcurve