value	unc_up	unc_lo	author	ref	method
3.83	0.650	0.650	Nugent	2016AJ....152...63N	NEATM
4.85	0.030	0.030	Masiero	2014ApJ...791..121M	NEATM
5.26	0.078	0.078	Masiero	2011ApJ...741...68M	NEATM