value	unc_up	unc_lo	author	ref	method
3.62	0.990	0.990	Nugent	2016AJ....152...63N	NEATM
6.57	0.136	0.136	Masiero	2011ApJ...741...68M	NEATM
6.89	0.170	0.170	Masiero	2012ApJ...759L...8M	NEATM