value	unc_up	unc_lo	author	ref	method
0.028	0.0047	0.0047	Masiero	2011ApJ...741...68M	NEATM
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.079	0.0340	0.0590	Masiero	2021PSJ.....2..162M	NEATM