value	unc_up	unc_lo	author	ref	method
5.30	1.000	1.000	Nugent	2016AJ....152...63N	NEATM
6.50	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
6.90	0.053	0.053	Masiero	2011ApJ...741...68M	NEATM