value quality siderealorsynodic author ref method 5.9000 2 Synodic Lagerkvist 1978A&AS...31..361L Lightcurve 7.6480 3 Synodic Behrend LCDB Lightcurve 7.6529 2 Sidereal Durech 2020A&A...643A..59D Model 7.6529 2 Sidereal Durech 2023A&A...675A..24D Model 7.6580 2+ Synodic Behrend LCDB Lightcurve 7.6620 2 Synodic Fornas LCDB Lightcurve