value	unc_up	unc_lo	author	ref	method
0.032	0.0223	0.0223	Masiero	2017AJ....154..168M	NEATM
0.033	0.0320	0.0320	Masiero	2012ApJ...759L...8M	NEATM
0.064	0.0520	0.0520	Masiero	2020PSJ.....1....5M	NEATM
0.105	0.0169	0.0169	Masiero	2011ApJ...741...68M	NEATM