value	unc_up	unc_lo	author	ref	method
2.60	0.810	0.810	Masiero	2021PSJ.....2..162M	NEATM
3.41	0.930	0.930	Nugent	2016AJ....152...63N	NEATM
4.33	0.165	0.165	Masiero	2011ApJ...741...68M	NEATM