value	unc_up	unc_lo	author	ref	method
0.146	0.0290	0.0290	Masiero	2012ApJ...759L...8M	NEATM
0.150	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.189	0.0194	0.0194	Masiero	2011ApJ...741...68M	NEATM