value	unc_up	unc_lo	author	ref	method
4.54	0.930	0.930	Nugent	2016AJ....152...63N	NEATM
4.58	0.026	0.026	Masiero	2011ApJ...741...68M	NEATM
4.78	0.180	0.180	Masiero	2012ApJ...759L...8M	NEATM