value	unc_up	unc_lo	author	ref	method
6.11	1.939	1.939	Masiero	2017AJ....154..168M	NEATM
6.29	1.630	1.630	Masiero	2021PSJ.....2..162M	NEATM
6.75	2.250	2.250	Nugent	2016AJ....152...63N	NEATM
6.80	1.910	1.910	Masiero	2021PSJ.....2..162M	NEATM
7.38	0.088	0.088	Masiero	2011ApJ...741...68M	NEATM