value	unc_up	unc_lo	author	ref	method
3.86	1.068	1.068	Masiero	2011ApJ...741...68M	NEATM
4.19	1.340	1.340	Nugent	2016AJ....152...63N	NEATM
4.44	1.760	1.760	Masiero	2021PSJ.....2..162M	NEATM