value	unc_up	unc_lo	author	ref	method
4.05	0.921	0.921	Masiero	2017AJ....154..168M	NEATM
4.30	1.290	1.290	Nugent	2016AJ....152...63N	NEATM
5.03	0.055	0.055	Masiero	2011ApJ...741...68M	NEATM