value	unc_up	unc_lo	author	ref	method
6.00	1.456	1.456	Masiero	2017AJ....154..168M	NEATM
6.13	1.540	1.540	Masiero	2021PSJ.....2..162M	NEATM
7.07	2.030	2.030	Masiero	2020PSJ.....1....5M	NEATM
7.61	0.230	0.230	Masiero	2011ApJ...741...68M	NEATM