value	unc_up	unc_lo	author	ref	method
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.046	0.0072	0.0072	Masiero	2011ApJ...741...68M	NEATM
0.063	0.0110	0.0110	Masiero	2012ApJ...759L...8M	NEATM
0.065	0.0250	0.0410	Masiero	2021PSJ.....2..162M	NEATM