value	unc_up	unc_lo	author	ref	method
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.032	0.0180	0.0430	Masiero	2021PSJ.....2..162M	NEATM
0.041	0.0062	0.0062	Masiero	2011ApJ...741...68M	NEATM