value	unc_up	unc_lo	author	ref	method
3.26	0.893	0.893	Masiero	2017AJ....154..168M	NEATM
3.57	1.030	1.030	Masiero	2021PSJ.....2..162M	NEATM
3.74	0.457	0.457	Masiero	2011ApJ...741...68M	NEATM