value	unc_up	unc_lo	author	ref	method
0.033	0.0430	0.0430	Masiero	2020PSJ.....1....5M	NEATM
0.037	0.0220	0.0220	Masiero	2017AJ....154..168M	NEATM
0.037	0.0130	0.0130	Masiero	2012ApJ...759L...8M	NEATM
0.058	0.0067	0.0067	Masiero	2011ApJ...741...68M	NEATM