value	unc_up	unc_lo	author	ref	method
0.074	0.0074	0.0074	Masiero	2011ApJ...741...68M	NEATM
0.078	0.0380	0.0720	Masiero	2021PSJ.....2..162M	NEATM
0.080	0.0100	0.0100	Masiero	2014ApJ...791..121M	NEATM
0.110	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM