value	unc_up	unc_lo	author	ref	method
0.143	0.0100	0.0100	Masiero	2012ApJ...759L...8M	NEATM
0.150	0.0142	0.0142	Masiero	2011ApJ...741...68M	NEATM
0.170	0.0300	0.0300	Masiero	2014ApJ...791..121M	NEATM
0.170	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM