value	unc_up	unc_lo	author	ref	method
0.040	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.079	0.0390	0.0390	Masiero	2020PSJ.....1....5M	NEATM
0.084	0.0170	0.0170	Masiero	2011ApJ...741...68M	NEATM