value	unc_up	unc_lo	author	ref	method
5.14	1.030	1.030	Nugent	2016AJ....152...63N	NEATM
5.94	0.770	0.770	Masiero	2012ApJ...759L...8M	NEATM
7.18	0.155	0.155	Masiero	2011ApJ...741...68M	NEATM