value	unc_up	unc_lo	author	ref	method
0.160	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.208	0.1200	0.1200	Masiero	2012ApJ...759L...8M	NEATM
0.262	0.0337	0.0337	Masiero	2011ApJ...741...68M	NEATM