value	unc_up	unc_lo	author	ref	method
3.57	0.790	0.790	Masiero	2021PSJ.....2..162M	NEATM
3.75	0.790	0.790	Nugent	2016AJ....152...63N	NEATM
4.21	0.080	0.080	Masiero	2011ApJ...741...68M	NEATM