value	unc_up	unc_lo	author	ref	method
4.50	1.030	1.030	Nugent	2016AJ....152...63N	NEATM
4.52	1.300	1.300	Nugent	2016AJ....152...63N	NEATM
4.94	0.112	0.112	Masiero	2011ApJ...741...68M	NEATM