value	unc_up	unc_lo	author	ref	method
0.044	0.0360	0.0360	Masiero	2017AJ....154..168M	NEATM
0.048	0.0620	0.0620	Masiero	2020PSJ.....1....5M	NEATM
0.064	0.0076	0.0076	Masiero	2011ApJ...741...68M	NEATM
0.070	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM