value	unc_up	unc_lo	author	ref	method
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.055	0.0049	0.0049	Masiero	2011ApJ...741...68M	NEATM
0.065	0.0270	0.0480	Masiero	2021PSJ.....2..162M	NEATM