value	unc_up	unc_lo	author	ref	method
0.050	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.060	0.0440	0.0440	Masiero	2012ApJ...759L...8M	NEATM
0.061	0.0260	0.0470	Masiero	2021PSJ.....2..162M	NEATM