value	unc_up	unc_lo	author	ref	method
0.067	0.0305	0.0305	Masiero	2017AJ....154..168M	NEATM
0.077	0.0460	0.0460	Masiero	2020PSJ.....1....5M	NEATM
0.078	0.0122	0.0122	Masiero	2011ApJ...741...68M	NEATM