value	unc_up	unc_lo	author	ref	method
0.060	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.063	0.0180	0.0180	Masiero	2011ApJ...741...68M	NEATM
0.076	0.0330	0.0590	Masiero	2021PSJ.....2..162M	NEATM