value	unc_up	unc_lo	author	ref	method
5.26	1.590	1.590	Nugent	2016AJ....152...63N	NEATM
5.75	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM
6.64	0.090	0.090	Masiero	2012ApJ...759L...8M	NEATM