value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.042	0.0160	0.0260	Masiero	2021PSJ.....2..162M	NEATM
0.050	0.0070	0.0070	Masiero	2011ApJ...741...68M	NEATM
0.051	0.0370	0.0370	Masiero	2017AJ....154..168M	NEATM