value	unc_up	unc_lo	author	ref	method
0.021	0.0146	0.0146	Masiero	2017AJ....154..168M	NEATM
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.030	0.0490	0.0490	Masiero	2012ApJ...759L...8M	NEATM
0.033	0.0225	0.0225	Masiero	2017AJ....154..168M	NEATM
0.035	0.0048	0.0048	Masiero	2011ApJ...741...68M	NEATM