value	unc_up	unc_lo	author	ref	method
12.53	3.490	3.490	Nugent	2016AJ....152...63N	NEATM
14.32	4.960	4.960	Nugent	2016AJ....152...63N	NEATM
16.43	0.138	0.138	Masiero	2011ApJ...741...68M	NEATM