value	unc_up	unc_lo	author	ref	method
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.051	0.0190	0.0190	Masiero	2012ApJ...759L...8M	NEATM
0.052	0.0103	0.0103	Masiero	2011ApJ...741...68M	NEATM
0.059	0.0270	0.0480	Masiero	2021PSJ.....2..162M	NEATM