value	unc_up	unc_lo	author	ref	method
0.040	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.048	0.1010	0.1010	Masiero	2012ApJ...759L...8M	NEATM
0.050	0.0220	0.0390	Masiero	2021PSJ.....2..162M	NEATM