value	unc_up	unc_lo	author	ref	method
5.94	1.260	1.260	Nugent	2016AJ....152...63N	NEATM
6.58	0.330	0.330	Masiero	2012ApJ...759L...8M	NEATM
6.68	0.224	0.224	Masiero	2011ApJ...741...68M	NEATM