value	unc_up	unc_lo	author	ref	method
6.68	1.800	1.800	Masiero	2017AJ....154..168M	NEATM
7.48	2.030	2.030	Masiero	2021PSJ.....2..162M	NEATM
8.56	0.228	0.228	Masiero	2011ApJ...741...68M	NEATM
8.97	3.500	3.500	Masiero	2012ApJ...759L...8M	NEATM