value	unc_up	unc_lo	author	ref	method
0.160	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.204	0.0253	0.0253	Masiero	2011ApJ...741...68M	NEATM
0.207	0.0530	0.0530	Masiero	2012ApJ...759L...8M	NEATM