value	unc_up	unc_lo	author	ref	method
5.04	1.400	1.400	Nugent	2016AJ....152...63N	NEATM
5.32	1.290	1.290	Nugent	2016AJ....152...63N	NEATM
5.77	0.820	0.820	Masiero	2012ApJ...759L...8M	NEATM
6.75	0.193	0.193	Masiero	2011ApJ...741...68M	NEATM