value	unc_up	unc_lo	author	ref	method
0.028	0.0256	0.0256	Masiero	2017AJ....154..168M	NEATM
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.043	0.0069	0.0069	Masiero	2011ApJ...741...68M	NEATM