value	unc_up	unc_lo	author	ref	method
3.95	1.020	1.020	Nugent	2016AJ....152...63N	NEATM
4.04	1.070	1.070	Masiero	2020PSJ.....1....5M	NEATM
4.31	1.500	1.500	Masiero	2012ApJ...759L...8M	NEATM
5.29	0.204	0.204	Masiero	2011ApJ...741...68M	NEATM