value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.040	0.0082	0.0082	Masiero	2011ApJ...741...68M	NEATM
0.044	0.0262	0.0262	Masiero	2017AJ....154..168M	NEATM
0.045	0.0200	0.0350	Masiero	2021PSJ.....2..162M	NEATM