value	unc_up	unc_lo	author	ref	method
4.80	1.360	1.360	Nugent	2016AJ....152...63N	NEATM
5.05	2.090	2.090	Masiero	2012ApJ...759L...8M	NEATM
5.81	1.560	1.560	Masiero	2021PSJ.....2..162M	NEATM