value	unc_up	unc_lo	author	ref	method
3.95	0.980	0.980	Masiero	2020PSJ.....1....5M	NEATM
4.28	1.100	1.100	Nugent	2016AJ....152...63N	NEATM
4.39	0.140	0.140	Masiero	2011ApJ...741...68M	NEATM
4.46	0.217	0.217	Masiero	2011ApJ...741...68M	NEATM