value	unc_up	unc_lo	author	ref	method
0.039	0.0190	0.0370	Masiero	2021PSJ.....2..162M	NEATM
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.062	0.0337	0.0337	Masiero	2011ApJ...741...68M	NEATM