value	unc_up	unc_lo	author	ref	method
14.87	4.580	4.580	Nugent	2016AJ....152...63N	NEATM
19.76	0.270	0.270	Masiero	2014ApJ...791..121M	NEATM
20.54	0.187	0.187	Masiero	2011ApJ...741...68M	NEATM