value quality siderealorsynodic author ref method 10.0000 Synodic Behrend LCDB Lightcurve 10.3000 1 Synodic Tedesco LCDB Lightcurve 10.4200 2 Synodic Schober 1979A&AS...36....1S Lightcurve 20.7020 3 Synodic Pilcher 2021MPBu...48....5P Lightcurve 20.7020 3 Synodic Pilcher 2022MPBu...49..185P Lightcurve 20.7040 3- Synodic Pilcher 2016MPBu...43..182P Lightcurve 20.7040 3 Synodic Franco 2022MPBu...49..200F Lightcurve 20.7050 3 Synodic Pilcher 2017MPBu...44..249P Lightcurve 20.7057 3- Synodic Behrend LCDB Lightcurve 20.7090 3 Synodic Pilcher 2018MPBu...45..356P Lightcurve 20.7102 3- Synodic Behrend LCDB Lightcurve