value	unc_up	unc_lo	author	ref	method
0.030	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.031	0.0140	0.0260	Masiero	2021PSJ.....2..162M	NEATM
0.046	0.0022	0.0022	Masiero	2011ApJ...741...68M	NEATM