value	unc_up	unc_lo	author	ref	method
11.19	2.420	2.420	Nugent	2016AJ....152...63N	NEATM
7.78	0.150	0.150	Masiero	2014ApJ...791..121M	NEATM
8.23	0.085	0.085	Masiero	2011ApJ...741...68M	NEATM