value	unc_up	unc_lo	author	ref	method
7.40	2.166	2.166	Masiero	2017AJ....154..168M	NEATM
7.43	0.047	0.047	Masiero	2011ApJ...741...68M	NEATM
7.60	1.750	1.750	Masiero	2020PSJ.....1....5M	NEATM
7.65	1.490	1.490	Masiero	2021PSJ.....2..162M	NEATM