value	unc_up	unc_lo	author	ref	method
6.14	0.218	0.218	Masiero	2011ApJ...741...68M	NEATM
6.40	1.798	1.798	Masiero	2017AJ....154..168M	NEATM
6.50	2.170	2.170	Masiero	2021PSJ.....2..162M	NEATM
6.62	1.910	1.910	Nugent	2016AJ....152...63N	NEATM
6.71	2.360	2.360	Masiero	2021PSJ.....2..162M	NEATM