value	unc_up	unc_lo	author	ref	method
4.41	1.070	1.070	Masiero	2017AJ....154..168M	NEATM
4.94	1.449	1.449	Masiero	2017AJ....154..168M	NEATM
5.40	1.080	1.080	Nugent	2016AJ....152...63N	NEATM