value	unc_up	unc_lo	author	ref	method
0.020	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.035	0.0160	0.0300	Masiero	2021PSJ.....2..162M	NEATM
0.038	0.0199	0.0199	Masiero	2017AJ....154..168M	NEATM
0.057	0.0138	0.0138	Masiero	2011ApJ...741...68M	NEATM