value	unc_up	unc_lo	author	ref	method
0.200	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.246	0.0347	0.0347	Masiero	2011ApJ...741...68M	NEATM
0.247	0.0350	0.0350	Masiero	2012ApJ...759L...8M	NEATM
0.295	0.0420	0.0420	Masiero	2012ApJ...759L...8M	NEATM