value	unc_up	unc_lo	author	ref	method
0.020	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.030	0.0270	0.0270	Masiero	2012ApJ...759L...8M	NEATM
0.034	0.0209	0.0209	Masiero	2017AJ....154..168M	NEATM
0.035	0.0210	0.0510	Masiero	2021PSJ.....2..162M	NEATM
0.037	0.0040	0.0040	Masiero	2011ApJ...741...68M	NEATM
0.046	0.0390	0.0390	Masiero	2020PSJ.....1....5M	NEATM