value	unc_up	unc_lo	author	ref	method
4.11	0.710	0.710	Nugent	2016AJ....152...63N	NEATM
4.23	0.930	0.930	Nugent	2016AJ....152...63N	NEATM
5.22	0.181	0.181	Masiero	2011ApJ...741...68M	NEATM