value	unc_up	unc_lo	author	ref	method
0.210	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.290	0.0800	0.0800	Masiero	2014ApJ...791..121M	NEATM
0.299	0.0362	0.0362	Masiero	2011ApJ...741...68M	NEATM