value	unc_up	unc_lo	author	ref	method
3.59	0.890	0.890	Nugent	2016AJ....152...63N	NEATM
3.89	0.996	0.996	Masiero	2011ApJ...741...68M	NEATM
3.95	1.107	1.107	Masiero	2011ApJ...741...68M	NEATM