value	unc_up	unc_lo	author	ref	method
0.074	0.0470	0.0470	Masiero	2012ApJ...759L...8M	NEATM
0.080	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.084	0.0260	0.0370	Masiero	2021PSJ.....2..162M	NEATM