value	unc_up	unc_lo	author	ref	method
0.033	0.0148	0.0148	Masiero	2017AJ....154..168M	NEATM
0.049	0.0310	0.0310	Masiero	2020PSJ.....1....5M	NEATM
0.050	0.0089	0.0089	Masiero	2011ApJ...741...68M	NEATM
0.057	0.0680	0.0680	Masiero	2020PSJ.....1....5M	NEATM
0.070	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM