value	unc_up	unc_lo	author	ref	method
4.28	1.500	1.500	Masiero	2020PSJ.....1....5M	NEATM
4.39	1.200	1.200	Nugent	2016AJ....152...63N	NEATM
5.01	0.272	0.272	Masiero	2011ApJ...741...68M	NEATM