value	unc_up	unc_lo	author	ref	method
0.071	0.0413	0.0413	Masiero	2011ApJ...741...68M	NEATM
0.090	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.134	0.0470	0.0720	Masiero	2021PSJ.....2..162M	NEATM