value	unc_up	unc_lo	author	ref	method
0.030	0.0200	0.0200	Nugent	2016AJ....152...63N	NEATM
0.031	0.0420	0.0420	Masiero	2012ApJ...759L...8M	NEATM
0.051	0.0180	0.0270	Masiero	2021PSJ.....2..162M	NEATM
0.056	0.0069	0.0069	Masiero	2011ApJ...741...68M	NEATM