value	unc_up	unc_lo	author	ref	method
4.78	0.500	0.500	Masiero	2011ApJ...741...68M	NEATM
4.98	1.170	1.170	Nugent	2016AJ....152...63N	NEATM
6.05	1.700	1.700	Masiero	2021PSJ.....2..162M	NEATM