value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.041	0.0219	0.0219	Masiero	2017AJ....154..168M	NEATM
0.047	0.0120	0.0120	Masiero	2011ApJ...741...68M	NEATM