value	unc_up	unc_lo	author	ref	method
0.152	0.0277	0.0277	Masiero	2011ApJ...741...68M	NEATM
0.170	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.211	0.0400	0.0400	Masiero	2012ApJ...759L...8M	NEATM