value	unc_up	unc_lo	author	ref	method
2.72	0.600	0.600	Nugent	2016AJ....152...63N	NEATM
3.96	0.115	0.115	Masiero	2011ApJ...741...68M	NEATM
4.21	0.960	0.960	Masiero	2021PSJ.....2..162M	NEATM
4.41	1.030	1.030	Nugent	2016AJ....152...63N	NEATM