value	unc_up	unc_lo	author	ref	method
4.17	1.010	1.010	Nugent	2016AJ....152...63N	NEATM
4.24	0.680	0.680	Nugent	2016AJ....152...63N	NEATM
4.45	0.148	0.148	Masiero	2011ApJ...741...68M	NEATM