value	unc_up	unc_lo	author	ref	method
0.180	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM
0.200	0.1300	0.1300	Nugent	2016AJ....152...63N	NEATM
0.257	0.0860	0.0860	Masiero	2012ApJ...759L...8M	NEATM
0.273	0.0555	0.0555	Masiero	2011ApJ...741...68M	NEATM