value	unc_up	unc_lo	author	ref	method
2.70	0.680	0.680	Masiero	2021PSJ.....2..162M	NEATM
2.72	0.670	0.670	Nugent	2016AJ....152...63N	NEATM
3.58	0.843	0.843	Masiero	2011ApJ...741...68M	NEATM