value quality siderealorsynodic author ref method 8.2300 2 Synodic Behrend LCDB Lightcurve 8.2430 3- Synodic Pilcher 2013MPBu...40...31P Lightcurve 8.2430 3 Synodic Pilcher 2017MPBu...44..317P Lightcurve 8.2440 3- Synodic Strabla 2013MPBu...40...83S Lightcurve 8.2441 2 Synodic Pal 2020ApJS..247...26P Lightcurve