value	unc_up	unc_lo	author	ref	method
0.170	0.0290	0.0290	Masiero	2012ApJ...759L...8M	NEATM
0.176	0.0224	0.0224	Masiero	2011ApJ...741...68M	NEATM
0.190	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.210	0.1200	0.1200	Nugent	2016AJ....152...63N	NEATM