value	unc_up	unc_lo	author	ref	method
4.70	0.940	0.940	Nugent	2016AJ....152...63N	NEATM
5.89	0.040	0.040	Masiero	2014ApJ...791..121M	NEATM
5.99	0.053	0.053	Masiero	2011ApJ...741...68M	NEATM