value	unc_up	unc_lo	author	ref	method
0.130	0.1400	0.1400	Nugent	2016AJ....152...63N	NEATM
0.160	0.0260	0.0260	Masiero	2012ApJ...759L...8M	NEATM
0.194	0.0239	0.0239	Masiero	2011ApJ...741...68M	NEATM