value	unc_up	unc_lo	author	ref	method
5.70	1.384	1.384	Masiero	2017AJ....154..168M	NEATM
5.78	1.070	1.070	Masiero	2021PSJ.....2..162M	NEATM
5.89	1.930	1.930	Nugent	2016AJ....152...63N	NEATM
6.06	0.285	0.285	Masiero	2011ApJ...741...68M	NEATM