value	unc_up	unc_lo	author	ref	method
0.037	0.0225	0.0225	Masiero	2017AJ....154..168M	NEATM
0.045	0.0310	0.0310	Masiero	2020PSJ.....1....5M	NEATM
0.057	0.0144	0.0144	Masiero	2011ApJ...741...68M	NEATM