value	unc_up	unc_lo	author	ref	method
3.80	0.237	0.237	Masiero	2011ApJ...741...68M	NEATM
3.87	1.370	1.370	Nugent	2016AJ....152...63N	NEATM
4.14	0.940	0.940	Masiero	2021PSJ.....2..162M	NEATM