value	unc_up	unc_lo	author	ref	method
2.43	0.570	0.570	Masiero	2017AJ....154..168M	NEATM
2.44	0.090	0.090	Masiero	2011ApJ...741...68M	NEATM
2.54	0.610	0.610	Masiero	2020PSJ.....1....5M	NEATM