value	unc_up	unc_lo	author	ref	method
0.036	0.0230	0.0230	Masiero	2017AJ....154..168M	NEATM
0.038	0.0310	0.0310	Masiero	2020PSJ.....1....5M	NEATM
0.039	0.0300	0.0300	Masiero	2012ApJ...759L...8M	NEATM
0.076	0.0159	0.0159	Masiero	2011ApJ...741...68M	NEATM