value	unc_up	unc_lo	author	ref	method
6.99	1.240	1.240	Nugent	2016AJ....152...63N	NEATM
8.00	0.200	0.200	Hanus	2018Icar..309..297H	RADIOMETRY_TPM
8.10	0.300	0.300	Hanus	2018Icar..309..297H	RADIOMETRY_TPM
8.10	0.120	0.120	Masiero	2014ApJ...791..121M	NEATM
8.36	0.053	0.053	Masiero	2011ApJ...741...68M	NEATM