value	unc_up	unc_lo	author	ref	method
4.19	0.060	0.060	Nugent	2016AJ....152...63N	NEATM
5.37	0.040	0.040	Nugent	2016AJ....152...63N	NEATM
5.39	0.540	0.540	Magri	2007Icar..186..152M	RADAR
7.91	0.080	0.080	Nugent	2016AJ....152...63N	NEATM