value	unc_up	unc_lo	author	ref	method
3.29	0.790	0.790	Nugent	2016AJ....152...63N	NEATM
3.62	0.820	0.820	Masiero	2012ApJ...759L...8M	NEATM
3.77	1.130	1.130	Masiero	2020PSJ.....1....5M	NEATM
4.28	0.107	0.107	Masiero	2011ApJ...741...68M	NEATM