value	unc_up	unc_lo	author	ref	method
4.66	1.460	1.460	Nugent	2016AJ....152...63N	NEATM
4.90	0.095	0.095	Masiero	2011ApJ...741...68M	NEATM
5.36	0.048	0.048	Masiero	2011ApJ...741...68M	NEATM