value	unc_up	unc_lo	author	ref	method
3.87	1.307	1.307	Masiero	2011ApJ...741...68M	NEATM
3.98	1.140	1.140	Masiero	2017AJ....154..168M	NEATM
4.63	1.260	1.260	Masiero	2021PSJ.....2..162M	NEATM