value	unc_up	unc_lo	author	ref	method
0.035	0.0242	0.0242	Masiero	2017AJ....154..168M	NEATM
0.039	0.0060	0.0060	Masiero	2012ApJ...759L...8M	NEATM
0.043	0.0260	0.0260	Masiero	2017AJ....154..168M	NEATM
0.050	0.0900	0.0900	Nugent	2016AJ....152...63N	NEATM
0.061	0.0110	0.0110	Masiero	2011ApJ...741...68M	NEATM
0.070	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM