value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.064	0.0320	0.0660	Masiero	2021PSJ.....2..162M	NEATM
0.074	0.0079	0.0079	Masiero	2011ApJ...741...68M	NEATM