value	unc_up	unc_lo	author	ref	method
4.66	1.320	1.320	Nugent	2016AJ....152...63N	NEATM
5.07	0.116	0.116	Masiero	2011ApJ...741...68M	NEATM
6.77	0.400	0.400	Masiero	2012ApJ...759L...8M	NEATM