value	unc_up	unc_lo	author	ref	method
6.27	1.360	1.360	Nugent	2016AJ....152...63N	NEATM
7.25	0.287	0.287	Masiero	2011ApJ...741...68M	NEATM
8.11	0.148	0.148	Masiero	2011ApJ...741...68M	NEATM