value	unc_up	unc_lo	author	ref	method
3.25	0.810	0.810	Masiero	2021PSJ.....2..162M	NEATM
3.60	0.710	0.710	Nugent	2016AJ....152...63N	NEATM
4.17	0.046	0.046	Masiero	2011ApJ...741...68M	NEATM