value	unc_up	unc_lo	author	ref	method
0.140	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM
0.180	0.0304	0.0304	Masiero	2011ApJ...741...68M	NEATM
0.222	0.0950	0.0950	Masiero	2012ApJ...759L...8M	NEATM