value	unc_up	unc_lo	author	ref	method
0.036	0.0186	0.0186	Masiero	2017AJ....154..168M	NEATM
0.040	0.0210	0.0430	Masiero	2021PSJ.....2..162M	NEATM
0.056	0.0074	0.0074	Masiero	2011ApJ...741...68M	NEATM
0.110	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM