value	unc_up	unc_lo	author	ref	method
0.177	0.1820	0.1820	Masiero	2012ApJ...759L...8M	NEATM
0.180	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM
0.261	0.0653	0.0653	Masiero	2011ApJ...741...68M	NEATM