value	unc_up	unc_lo	author	ref	method
4.97	0.900	0.900	Nugent	2016AJ....152...63N	NEATM
5.21	1.100	1.100	Nugent	2016AJ....152...63N	NEATM
6.04	0.041	0.041	Masiero	2011ApJ...741...68M	NEATM