value	unc_up	unc_lo	author	ref	method
5.85	1.960	1.960	Nugent	2016AJ....152...63N	NEATM
6.15	0.025	0.025	Masiero	2011ApJ...741...68M	NEATM
6.82	1.960	1.960	Masiero	2021PSJ.....2..162M	NEATM
8.15	2.580	2.580	Masiero	2012ApJ...759L...8M	NEATM