value	unc_up	unc_lo	author	ref	method
0.033	0.0150	0.0270	Masiero	2021PSJ.....2..162M	NEATM
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.053	0.0312	0.0312	Masiero	2017AJ....154..168M	NEATM
0.054	0.0116	0.0116	Masiero	2011ApJ...741...68M	NEATM