value	unc_up	unc_lo	author	ref	method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.044	0.0540	0.0540	Masiero	2012ApJ...759L...8M	NEATM
0.045	0.0150	0.0220	Masiero	2021PSJ.....2..162M	NEATM
0.048	0.0049	0.0049	Masiero	2011ApJ...741...68M	NEATM
0.049	0.0490	0.0490	Masiero	2020PSJ.....1....5M	NEATM