value	unc_up	unc_lo	author	ref	method
0.030	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.037	0.0140	0.0220	Masiero	2021PSJ.....2..162M	NEATM
0.037	0.0520	0.0520	Masiero	2012ApJ...759L...8M	NEATM
0.070	0.0057	0.0057	Masiero	2011ApJ...741...68M	NEATM