value	unc_up	unc_lo	author	ref	method
3.37	0.692	0.692	Masiero	2011ApJ...741...68M	NEATM
3.56	0.710	0.710	Nugent	2016AJ....152...63N	NEATM
3.64	0.662	0.662	Masiero	2017AJ....154..168M	NEATM