value	unc_up	unc_lo	author	ref	method
0.030	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.033	0.0296	0.0296	Masiero	2017AJ....154..168M	NEATM
0.077	0.0790	0.0790	Masiero	2012ApJ...759L...8M	NEATM
0.106	0.0258	0.0258	Masiero	2011ApJ...741...68M	NEATM