value	unc_up	unc_lo	author	ref	method
3.91	0.460	0.460	Masiero	2012ApJ...759L...8M	NEATM
4.70	1.420	1.420	Masiero	2021PSJ.....2..162M	NEATM
5.80	1.780	1.780	Nugent	2016AJ....152...63N	NEATM
6.10	1.757	1.757	Masiero	2017AJ....154..168M	NEATM