value	unc_up	unc_lo	author	ref	method
4.63	0.136	0.136	Masiero	2011ApJ...741...68M	NEATM
4.74	1.280	1.280	Nugent	2016AJ....152...63N	NEATM
4.83	1.271	1.271	Masiero	2017AJ....154..168M	NEATM