value	unc_up	unc_lo	author	ref	method
0.075	0.0198	0.0198	Masiero	2011ApJ...741...68M	NEATM
0.088	0.0390	0.0700	Masiero	2021PSJ.....2..162M	NEATM
0.116	0.0438	0.0438	Masiero	2017AJ....154..168M	NEATM
0.140	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM