value	unc_up	unc_lo	author	ref	method
13.27	3.710	3.710	Nugent	2016AJ....152...63N	NEATM
13.83	5.030	5.030	Nugent	2016AJ....152...63N	NEATM
15.37	0.330	0.330	Masiero	2012ApJ...759L...8M	NEATM
20.19	1.500	1.500	Tedesco	2002AJ....123.1056T	STM
20.61	0.115	0.115	Masiero	2011ApJ...741...68M	NEATM