value	unc_up	unc_lo	author	ref	method
0.028	0.0175	0.0175	Masiero	2017AJ....154..168M	NEATM
0.033	0.0320	0.0320	Masiero	2012ApJ...759L...8M	NEATM
0.033	0.0330	0.0330	Masiero	2020PSJ.....1....5M	NEATM
0.053	0.0040	0.0040	Masiero	2011ApJ...741...68M	NEATM