value quality siderealorsynodic author ref method 12.0395 2 Sidereal Durech 2023A&A...675A..24D Model 12.0402 2 Synodic Behrend LCDB Lightcurve 12.0420 3 Synodic Pilcher 2017MPBu...44..303P Lightcurve 7.8500 2 Synodic Zeigler 1987MPBu...14...11Z Lightcurve 8.0450 2 Synodic Di Martino 1995A&AS..112....1D Lightcurve