value	unc_up	unc_lo	author	ref	method
0.040	0.0271	0.0271	Masiero	2017AJ....154..168M	NEATM
0.044	0.0351	0.0351	Masiero	2011ApJ...741...68M	NEATM
0.049	0.0270	0.0600	Masiero	2021PSJ.....2..162M	NEATM
0.050	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM