value	unc_up	unc_lo	author	ref	method
0.079	0.0610	0.0610	Masiero	2012ApJ...759L...8M	NEATM
0.080	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.084	0.0084	0.0084	Masiero	2011ApJ...741...68M	NEATM