value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.043	0.0059	0.0059	Masiero	2011ApJ...741...68M	NEATM
0.056	0.0289	0.0289	Masiero	2017AJ....154..168M	NEATM
0.061	0.0250	0.0430	Masiero	2021PSJ.....2..162M	NEATM