value	unc_up	unc_lo	author	ref	method
3.66	0.760	0.760	Nugent	2016AJ....152...63N	NEATM
4.50	1.470	1.470	Nugent	2016AJ....152...63N	NEATM
4.64	1.190	1.190	Masiero	2020PSJ.....1....5M	NEATM