value	unc_up	unc_lo	author	ref	method
3.39	0.700	0.700	Nugent	2016AJ....152...63N	NEATM
3.54	0.560	0.560	Nugent	2016AJ....152...63N	NEATM
4.14	0.265	0.265	Masiero	2011ApJ...741...68M	NEATM