value	unc_up	unc_lo	author	ref	method
0.060	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.070	0.0260	0.0260	Masiero	2012ApJ...759L...8M	NEATM
0.079	0.0370	0.0700	Masiero	2021PSJ.....2..162M	NEATM