value	unc_up	unc_lo	author	ref	method
4.58	1.030	1.030	Masiero	2021PSJ.....2..162M	NEATM
4.72	0.217	0.217	Masiero	2011ApJ...741...68M	NEATM
5.23	1.360	1.360	Nugent	2016AJ....152...63N	NEATM
5.85	1.589	1.589	Masiero	2017AJ....154..168M	NEATM