value	unc_up	unc_lo	author	ref	method
2.52	0.648	0.648	Masiero	2017AJ....154..168M	NEATM
2.88	0.579	0.579	Masiero	2011ApJ...741...68M	NEATM
2.97	1.000	1.000	Masiero	2021PSJ.....2..162M	NEATM