value	unc_up	unc_lo	author	ref	method
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.047	0.0230	0.0230	Masiero	2012ApJ...759L...8M	NEATM
0.047	0.0190	0.0320	Masiero	2021PSJ.....2..162M	NEATM
0.047	0.0350	0.0350	Masiero	2020PSJ.....1....5M	NEATM
0.064	0.0280	0.0490	Masiero	2021PSJ.....2..162M	NEATM