value	unc_up	unc_lo	author	ref	method
16.31	5.120	5.120	Nugent	2016AJ....152...63N	NEATM
17.36	4.760	4.760	Nugent	2016AJ....152...63N	NEATM
17.60	0.230	0.230	Masiero	2014ApJ...791..121M	NEATM
17.78	0.130	0.130	Masiero	2011ApJ...741...68M	NEATM