value	unc_up	unc_lo	author	ref	method
0.038	0.0150	0.0260	Masiero	2021PSJ.....2..162M	NEATM
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.076	0.0139	0.0139	Masiero	2011ApJ...741...68M	NEATM