value	unc_up	unc_lo	author	ref	method
3.49	0.700	0.700	Nugent	2016AJ....152...63N	NEATM
3.59	0.690	0.690	Nugent	2016AJ....152...63N	NEATM
4.82	0.208	0.208	Masiero	2011ApJ...741...68M	NEATM