value	quality	siderealorsynodic	author	ref	method
18.1400	2	Synodic	Behrend	LCDB	Lightcurve
18.1540	2+	Synodic	Behrend	LCDB	Lightcurve
18.1570	2	Synodic	McNeill	2019ApJS..245...29M	Lightcurve
18.1600	3	Synodic	Fauerbach	2005MPBu...32...80F	Lightcurve
18.1630	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
18.1640	3	Synodic	Behrend	LCDB	Lightcurve
18.1655	2	Sidereal	Durech	2023A&A...675A..24D	Model
18.1655	2	Sidereal	Hanus	2013A&A...551A..67H	Model
18.1655	2	Sidereal	Martikainen	2021A&A...649A..98M	Model