value	unc_up	unc_lo	author	ref	method
0.174	0.0194	0.0194	Masiero	2011ApJ...741...68M	NEATM
0.180	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.200	0.0800	0.0800	Nugent	2016AJ....152...63N	NEATM
0.267	0.0380	0.0380	Masiero	2012ApJ...759L...8M	NEATM