value	unc_up	unc_lo	author	ref	method
0.160	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.177	0.0321	0.0321	Masiero	2011ApJ...741...68M	NEATM
0.204	0.0830	0.1390	Masiero	2021PSJ.....2..162M	NEATM
0.220	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM