value	unc_up	unc_lo	author	ref	method
3.25	0.037	0.037	Masiero	2011ApJ...741...68M	NEATM
3.40	0.960	0.960	Nugent	2016AJ....152...63N	NEATM
3.72	1.213	1.213	Masiero	2017AJ....154..168M	NEATM