value	unc_up	unc_lo	author	ref	method
3.15	0.760	0.760	Masiero	2021PSJ.....2..162M	NEATM
3.44	0.670	0.670	Nugent	2016AJ....152...63N	NEATM
4.06	0.420	0.420	Masiero	2011ApJ...741...68M	NEATM