value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.047	0.0240	0.0490	Masiero	2021PSJ.....2..162M	NEATM
0.048	0.0273	0.0273	Masiero	2017AJ....154..168M	NEATM
0.056	0.0171	0.0171	Masiero	2011ApJ...741...68M	NEATM