value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.056	0.0102	0.0102	Masiero	2011ApJ...741...68M	NEATM
0.063	0.0240	0.0390	Masiero	2021PSJ.....2..162M	NEATM