value	unc_up	unc_lo	author	ref	method
0.190	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM
0.247	0.0410	0.0410	Masiero	2012ApJ...759L...8M	NEATM
0.276	0.0535	0.0535	Masiero	2011ApJ...741...68M	NEATM
0.370	0.0800	0.0800	Masiero	2014ApJ...791..121M	NEATM