value	unc_up	unc_lo	author	ref	method
0.048	0.0210	0.0370	Masiero	2021PSJ.....2..162M	NEATM
0.054	0.0055	0.0055	Masiero	2011ApJ...741...68M	NEATM
0.070	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM