value	unc_up	unc_lo	author	ref	method
3.30	0.650	0.650	Nugent	2016AJ....152...63N	NEATM
3.35	0.840	0.840	Nugent	2016AJ....152...63N	NEATM
4.11	1.192	1.192	Masiero	2017AJ....154..168M	NEATM
4.81	0.041	0.041	Masiero	2011ApJ...741...68M	NEATM