value	unc_up	unc_lo	author	ref	method
0.041	0.0200	0.0390	Masiero	2021PSJ.....2..162M	NEATM
0.050	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.065	0.0103	0.0103	Masiero	2011ApJ...741...68M	NEATM