value	unc_up	unc_lo	author	ref	method
0.039	0.0025	0.0025	Masiero	2011ApJ...741...68M	NEATM
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.046	0.0038	0.0038	Masiero	2011ApJ...741...68M	NEATM