value	unc_up	unc_lo	author	ref	method
17.40	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
17.83	6.230	6.230	Nugent	2016AJ....152...63N	NEATM
18.39	0.101	0.101	Masiero	2011ApJ...741...68M	NEATM
20.29	0.860	0.860	Masiero	2012ApJ...759L...8M	NEATM