value	unc_up	unc_lo	author	ref	method
0.018	0.0124	0.0124	Masiero	2017AJ....154..168M	NEATM
0.040	0.0350	0.0350	Masiero	2020PSJ.....1....5M	NEATM
0.055	0.0049	0.0049	Masiero	2011ApJ...741...68M	NEATM