value	unc_up	unc_lo	author	ref	method
12.50	5.080	5.080	Nugent	2016AJ....152...63N	NEATM
13.20	0.069	0.069	Masiero	2011ApJ...741...68M	NEATM
17.21	4.990	4.990	Nugent	2016AJ....152...63N	NEATM
17.68	9.110	9.110	Masiero	2012ApJ...759L...8M	NEATM