value	unc_up	unc_lo	author	ref	method
6.83	1.230	1.230	Nugent	2016AJ....152...63N	NEATM
7.49	0.300	0.300	Masiero	2012ApJ...759L...8M	NEATM
7.97	0.100	0.100	Masiero	2011ApJ...741...68M	NEATM
8.50	0.300	0.300	Hanus	2018Icar..309..297H	RADIOMETRY_TPM