value	unc_up	unc_lo	author	ref	method
2.14	0.560	0.560	Nugent	2016AJ....152...63N	NEATM
4.20	1.140	1.140	Masiero	2020PSJ.....1....5M	NEATM
5.39	0.340	0.340	Masiero	2012ApJ...759L...8M	NEATM
5.58	0.215	0.215	Masiero	2011ApJ...741...68M	NEATM