value	unc_up	unc_lo	author	ref	method
3.84	1.030	1.030	Nugent	2016AJ....152...63N	NEATM
4.32	0.592	0.592	Masiero	2011ApJ...741...68M	NEATM
4.52	0.266	0.266	Masiero	2011ApJ...741...68M	NEATM