value	unc_up	unc_lo	author	ref	method
5.01	1.400	1.400	Nugent	2016AJ....152...63N	NEATM
5.21	1.610	1.610	Masiero	2012ApJ...759L...8M	NEATM
6.18	0.069	0.069	Masiero	2011ApJ...741...68M	NEATM