value	unc_up	unc_lo	author	ref	method
10.73	3.170	3.170	Nugent	2016AJ....152...63N	NEATM
11.81	3.136	3.136	Masiero	2017AJ....154..168M	NEATM
12.17	0.380	0.380	Masiero	2012ApJ...759L...8M	NEATM