value	unc_up	unc_lo	author	ref	method
10.69	3.070	3.070	Nugent	2016AJ....152...63N	NEATM
11.56	4.550	4.550	Masiero	2012ApJ...759L...8M	NEATM
13.51	3.314	3.314	Masiero	2017AJ....154..168M	NEATM