value	unc_up	unc_lo	author	ref	method
0.026	0.0590	0.0590	Masiero	2012ApJ...759L...8M	NEATM
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.032	0.0197	0.0197	Masiero	2017AJ....154..168M	NEATM
0.038	0.0180	0.0350	Masiero	2021PSJ.....2..162M	NEATM